Crumpled leaves of the vine: what are they a symptom of?

In this article, we'll explain what the crumpled leaves of the vine and how to intervene to restore its well-being.

The plants in your garden or terrace speak to you more often than you think. One of the ways is with the leaves: green and healthy, crumpled or with yellow spots, the leaves are excellent indicators of the well-being of plants.

This is of course also valid for the lives, a climbing shrub that certainly does not need too many presentations.

Vine: characteristics

Although, as mentioned, the vine does not need too many presentations, it is always useful to review its general characteristics.

Belonging to the family of Vitaceae, the Eurasian vine is widespread on all continents except Antarctica. Features a irregular bearing, with very developed branches, so much so that it can even reach several meters in length. THE branches, grayish in the first year of life, darken as the years pass. The gems that originate the ramifications can be of three types:

  • the dormant buds which develop the shoots in the following spring
  • the ready buds which develop second-rate shoots in the same year, known as female shoots
  • the latent buds which, after a variable period of inactivity, develop more or less luxuriant shoots, called suckers

Knowing the characteristics of the vine is the best way to prevent all problems

The leaves they are webbed and with toothed margins; opposite to the leaves there are i cirrus clouds, or tendrils, or support organs with a helical spiral development and which allow the anchoring of the shoot to any other support.

At first gathered in panicle-shaped inflorescences, erect and then pendulous, i flowers they have a poorly developed calyx divided into five sepals; five petals then form the corolla.

L'grape, the fruit of the vine, is a berry whose color varies depending on the lighting and environmental characteristics of the grape.

The bunch can be defined in various ways:

  • simple when it develops according to the central spine
  • winged when one of the branches develops in a marked way, giving rise to a lateral cluster
  • bifid when the branching is parallel and of the same length as that which develops from the main rachis

Leaves and plant care

We have said that the appearance of the leaves is an excellent indicator of the well-being of your plant: if this is healthy, in fact, the leaves will be shiny, with a solid structure, perfect margins and the characteristic color of the species to which they belong; if instead the leaves they change their color, they appear pitted or crumpled, it means that something is happening to the plant.

Parasitosis, deficiencies, infections, pathologies or wrong cultivation treatments can leave a mark on the leaves and on the plant.

These i signals to recognize and to which you will have to pay particular attention if you want to restore your plants to their initial well-being:

  • yellowing of the leaves, which could be caused by excessive watering, poor lighting or lack of nitrogen; to solve this problem, reduce the water intake, change the exposure of your plant or fertilize it
  • curling of the leaves, caused by too hot exposure, dry soil or root damage; you can change the exposure, control watering or repot
  • chlorosis, which occurs with whitening of the leaves and which can be caused by a lack of iron or magnesium; a possible remedy is to descale the water used for watering, also adding sodium chelate
  • sunburn causing a red, brown or silver gray color on the leaves; a first way to solve this problem could be to improve exposure, because it is probably excessive
  • foliar curling and redness, caused by aphids; to counter them you can use Marseille soap

Of course, for each plant these symptoms can have different causes.

The leaves of the vine are often affected by the curling phenomenon. What could it be causing?

Vine: problems in the leaves

The curling of the vine leaves can depend on two main problems:

  • L'mites of the vine
  • there botrytis of the vine

Let's see together what they consist of.

Vine mite disease

During the winter months and subsequent vegetative growth, your vines may be attacked by a mite belonging to the species Eriophyes vitis. These are the symptoms you need to watch out for to recognize an attack in progress:

  • the shoots appear more short
  • the gems may appear blocked or give rise to sprouts that develop with remarkable difficulty
  • the leaves are small and irregular, with the crumpled and torn leaf flap
  • on leaves there may also be some bubbles and of discolored areas

The mite attacks are divided into two moments:

  • the summer attacks, in the months of June and July, they curl up the growing leaves
  • the late attacks they cause the leaves to develop reddish brown colors

To try to put a stop to these mites, we first advise you not to use insecticides or fungicides which, in addition to significantly polluting the environment, could also eliminate natural predators, such as phytoseidae mites.

You can, however, use gods natural remedies, such as blends of sulfur and the oil, bothoil White both theoil rapeseed.

Mites and botrytis: dangerous enemies of the vine

Botrytis of the vine

There botrytis of the vine is one mold caused by the pathogen Botryotinia fuckeliana which attacks mature leaves, shoots, bunches and berries.

The attack proceeds as follows:

  • the leaves Yes crumple then necrotize
  • buds and shoots turn brown and dry up
  • on adult shoots are formed brown notches on nodes and internodes
  • on flowers causes the desiccation of bunches and their fall
  • the berries they come hit when ripe, because this mold develops on organs rich in water

As for the fight against botrytis, in addition to specific chemicals, you can also act in other ways:

  • avoids excess nitrogen
  • take care of one peeling, or a green pruning
  • limits the tillage
  • make one winter pruning to thin out unripe shoots (read here to find out how to prune correctly)
  • use gods rootstocks not excessively vigorous; if you don't know how to do a screw graft, read this article

In short, if you have a vine and you see crumpled leaves, act promptly: first of all make sure that the cultivation treatments you are carrying out are correct, then secondly try to understand which disease may have affected it. Understanding what is attacking the vines is difficult, especially when the only symptom is crumpled leaves. But with this little guide we hope to have helped you clarify your ideas.

N.B. Do you want to deepen this topic? Learn how to deal with the caecidomy of the vine, the pulley of the vine, the calender, the zygena of the vine, the leafhoppers.

Do you think the information in this article is incomplete or inaccurate? Send us a report to help us improve!

Gioacchino di Terlizzi (Bari) asks:

all the varieties mentioned seem valid to me. In my experience the Red Globe and Black Magic are a little more flashy, but ultimately it comes down to personal taste.

As for the pruning the problem arises with any variety for which you could look for cuttings grafted on weaker rootstocks so that, having less vegetation, they adapt better to the guyot.

Samuel Dalmonte

What are mushrooms?

THE mushrooms they are heterotrophic organisms, unicellular or multicellular, this means that they are not able to synthesize independently all the organic molecules they need.

In order to survive they must rely on organic compounds previously synthesized by other organisms, which are called autotrophs, such as all plants.

The relationship that can exist between this organism and the infested plant varies according to the species of fungus:

  • saprophytic fungi, which live at the expense of other dead organisms
  • parasitic fungi, which live at the expense of another living organism, the most harmful to our vineyards, can cause the death of the plants
  • symbiotic mushrooms, that is, they always live by exploiting another living organism but in this case both the symbiote and the host benefit from this coexistence.

Lemon leaves crumpled and pierced

Nibbled or pierced leaves of the lemon can be a sign of the presence of parasites on the plant. The options are different in this case. This can be the phytophagous activity of the oziorrinco, or the passage of a snail this morning i noticed that my little lemon has some leaves, especially the cooler ones, crumpled and pierced in some places. In addition to this, some have like a residue of glue, so much so that some were stuck together Lemon on the terrace crumpled leaves: Repotting the lemon An operation that could certainly be good for your lemon plant is repotting. Repotting consists in replacing the pot of the plant with a larger pot by adding fresh soil to give new vigor to its growth Re: Lemon in pot: some leaves crumpled and pierced 13/03/2014, 21:23 try to pass with the tell yourself under the leaf if they remain red it means that there is the ragnett

Parasitic insects of lemon: recognition and defense. The generous lemon plants need to receive some attention to be able to remain healthy and productive over time, among these there are certainly the prevention and treatment from the attacks of some harmful insects. The starting point for harvesting abundant lemons is to know. The Phoma tracheiphila fungus causes discoloration and yellowing on the leaves of the branches at the top of the plant, which gradually dry up. But the infection can also start from the roots, causing the rapid death of the plant, whose wood shows a salmon pink color. Lemon: Discover the answers of our experts Read below all the questions on the subject and the answers given by our Experts of Gardening. Look at the titles listed below and click on the title that is closest to the topic of your interest. Once you have clicked on the title, you will be able to read both the enthusiast's question and our Expert's answer in full

Lemon leaves with holes | Forum of Forum of Home Forum> Our passions> Vegetable garden and orchard>. We invite you to resize the photos to the maximum width of 800 x 600 pixels from the Regulations BEFORE uploading them to the forum, since now there is also the possibility to upload the thumbnails in case someone does not. If you see a Viburnumtinus (lentage) in your garden, with small, stunted, yellowish leaves, don't ask yourself many questions. Look carefully and you will surely find traces of the presence of this annoying parasite, with its larvae. Soon, the affected plant will perish beyond recovery. The gummies on the lemon bark is a real disease that leads to yellowing of the leaves and a deterioration of the plant itself because the photosynthetic phenomenon is compromised. The natural product that can be used in the right dosages even in organic farming is based on copper

The response of the editorial staff. It is presumed that the lemon with yellowed leaves suffers from nitrogen insufficiency, also due to the abundant production manifested.We suggest to carry out, in addition to the normal fertilizations to the soil, the foliar spraying on the new vegetation of a mixture consisting of urea-46 + sulphate of zinc + manganese sulphate at doses, respectively, of. . 01/05/2017, 13:41. then you have the honeydew released by insects, aleuroididi or mealybugs, I think aleuroididi. you can dissolve some soap in water and then spray the plant well above and below and on the branches. white oil is also fine not in bloom and with the sun Pierced leaves of the roses. Diseases of roses can be many. In the case of bitten or pierced rose leaves, the responsibility is most likely one or more caterpillars. The most suitable natural remedy is based on water and pepper: crush about 10 peppercorns and mix them with 500 ml of water Citrus fruits: Find out the answers of our experts Read below all the questions on the subject and the answers given by our Experts of Gardening. Look at the titles listed below and click on the title that is closest to the topic of your interest. Once you have clicked on the title, you will be able to read both the enthusiast's question and our Expert's answer in full

The leaves of yours lemon they withered before they fell, is defoliation occurs mainly on the lower part of the plant. Yes, excess heat, lack of watering or lack of light. Examine the leaves falls in search of signs of some parasite, even in the subastro The holes in the foliage are usually caused by insects, such as grasshoppers, Lemon on the terrace, crumpled leaves. I have owned a lemon for a few years this year in the winter months I sheltered the plant by covering it with a cloth that was used. Why the lemon plant loses leaves Once you have corrected these anomalies and the leaves of your lemon will have returned to normal (have a little patience and give the plant time to recover) follow my advice. The manure (I hope it is seasoned and treated properly) you have to give it only once a year

Why does lemon lose its leaves: the causes and the most effective remedies to avoid lemon leaf fall.What to do in case of yellow leaves and lemon leaves that fall. Why does lemon lose leaves? Lemon leaf drop can be due to many factors. Some of the causes are common at any time of the year, whether leaf fall occurs in the summer. Leaves with holes in the summer? Beware of plant pests. Posted at 13: 26h in Advice, Gardening and vegetable garden by Staff. 38 Likes. Share. In summer it often happens to find our beautiful plants, which we have taken care of throughout the year, ruined by the presence of insects that attack especially the leaves and stems

What they look like: The leaves 'turn melancholy': they are dehydrated and become dry, yellowed and crumpled. What you have to do: Immerse the plant in a basin with water at room temperature for about an hour eliminates with the dry and damaged parts. Drain in a place out of the sun If your lemon tree has yellowing and falling leaves, it is probably nitrogen deficiency. In this context, in addition to fertilizing the soil as usual, it is good to administer by foliar spraying, a solution given by urea-46, zinc sulphate, manganese sulphate, wetting agent and water Lemon on the terrace crumpled leaves: Repotting the lemon. Repotting consists in replacing the pot of the plant with a larger pot by adding fresh soil to give new vigor to its growth. However, it is better to eliminate the leaves at the base, since I do not see grafting points, it could be below, therefore inproductive branch Thanks in advance, I await an answer. now that we are at the end of winter, both we humans as well as plants feel a strong need for sun and heat and some plants, especially citrus fruits, demonstrate this by yellowing their leaves. It is probable that the plant has also been stressed while remaining sheltered from the winter cold: greenhouse or. What to do in case of yellow, discolored leaves, dry tips, dark edges. Dry tips in the leaves: they are an indication of low environmental humidity. During the winter you can maintain the right humidity necessary for houseplants by placing them close to a basin of water in order to create an ideal microclimate for them.

Brown spots on the leaves: what are they? in Plants Flowers, DIY Gardening. When a plant's foliage deforms or becomes stained with brown or other colors, identifying the causes isn't always straightforward: it may be suffering from one or more of the many diseases that affect the foliage, or the mottling may have been. Lemon Leaves Crumpled and indeed have numerous virtues of glossy and ornamental leaves that remain on the plant all year round with lemon leaves. last year I took a lemon tree to put on The lemon tree is an evergreen one. Sure it loses its leaves, but DIY remedies for the care of Lemon parasites. We have already talked about the main diseases of the lemon, but today we want to take a particular look at its parasites: some of these, in fact, not only actively damage lemon plants, but can be carriers of other types of viral or bacterial diseases. A bit like what happens in the case of the olive fly (Bactrocera oleae, Gmelin 1790.

Lemon yellow and pierced leaves, why? ThumbGree

  • rose leaves Scab is a cryptogamic disease, caused on ornamental plants by fungi belonging to the diplocar genus visit: rose leaves rose diseases holed leaves Roses are among the most common plants in gardens and terraces throughout Europe much of this success you must visit: diseases, roses, leaves with holes
  • Lemon curled leaves lemons diseases, diseased lemons, Cures and remedies Curled leaves that have brown tips and dry completely Lemon with curled leaves Forum di Giardino. I recently took 1 tall lemon tree One of the first remedies is to. also some new branches at the apex have leaves
  • Guys, my lemon was infested with Aleurocanthus Spinifererus. Removed all the diseased leaves, and perhaps for the stress, the few flowers that were coming out are gone. The new leaves seem to be doing fine. Sometimes I find some of those little animals on some, and take them off
  • Diseases of the lemon tree. We have already talked about this plant when we talked about how to prune the lemon. The diseases of the lemon tree that we are going to describe are of various types: they can be viral, therefore due to a virus, bacterial, due to a bacterium, or fungal, due to a fungus
  • It has many leaves a little crumpled and pierced, a kind of grayish mold on the back of some leaves, it has very few leaves and flowers that often burn (they all become black and fall) and obviously few fruits, and always presents a kind of gray spiral. on the back of the leaves. The gardener told me that it is a kind of micro-worm that eats the leaves from the inside, but not.
  • In this video we see what are the main diseases of LEMON, we learn together to recognize them and how we can treat them in a simple and often way B ..
  • This disease occurs mainly on some citrus species such as lemon, the cedar is the bergamot, showing the symptoms first on leaves, then on the shoots, on the branches is on the trunk. The first symptom of the disease is a yellowing of the leaves which subsequently fall off, the infection passes to the branches is to the shoots that undergo a drying process

Lemon with perforated and crumpled leaves Forum di

  • When the leaves of the lemon appear yellow and pierced, it is necessary to ask why this happens and what are the causes behind it. It is in fact evident, if there was need to explain it further, that the plant of this citrus fruit is affected by problems
  • io-80 at a dose of 250 grams per 100 liters of water
  • Lemons need light and humid air, to prevent the leaves from drying out, so place them in a place outside the home where they can receive sunlight for as long as possible and, especially during the summer, make sure that the plant is exposed to light for at least 6-8 hours a day, and the plant must also be protected from wind and weather.

Lemon on the terrace crumpled leaves - Questions e

Some leaves are yellowish in color slightly crumpled and with holes, and there is a species of mold underneath the same Leaves Oziorinco (Otiorrhynchus spp.) including over 1500 species, known, in fact, with the common name of oziorrinchi. The leaves are attacked by adult insects, which remove the edges during the month of June

what's wrong with this lemon. (yellow halos, brown spots on the leaves) # 10602. Thanks tonino, in fact the photos are not very clear what struck me are the rather regular spots on the fruit and the precise halos around the spots. certainly a specific agronomist / expert would be useful .. How to grow green lemons, the so-called verdelli. Discover the latest news from the Valfrutta world. An agricultural system made up of people and values, respect for nature and love for its fruits The leaves turn yellow on the top of the shoots, then they become lazy, watery. The last stage - the rot of the stem and the drying of the leaves. The decision Stop creating a swamp in your geranium pot. Check drainage holes for clogged debris and overgrown roots

Potted lemon: some crumpled and pierced leaves: Agrum

Olive tree diseases: the complete list of olive tree diseases, correlated by pictures on how to recognize them and advice for treatment and prevention. From the peacock's eye to the oil fly, from the olive tree mange to the parasites affecting leaves, branches and trunk Irrigate carefully to avoid yellowing leaves. How to cope with yellowing leaves. Even tea leaves can nourish the earth, distribute a couple of tablespoons along the edge of the pot and water the plant normally, the substances will automatically dissolve in the earth. This natural remedy is great for treating the appearance of whitish patches. If instead. The leaves tend to turn yellow starting from the terminal part, and then become completely yellow, weak and crumpled. If the lemon has yellow leaves, the most common cause is a lack of nutrition. The solution? Administer the right amount of chelated iron to the lemon tree once a year. The last half liter must be thrown away: it is in fact there that the calcium salts are deposited. 3. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. The hobby of gardening requires great skill and above all a lot of knowledge. Natural remedies Holes, tears or tears on the leaves of roses can be.

Parasitic insects of lemon: recognize and eliminate them

yellow leaves natural remedies. February 6, 2021 yellow leaves natural remedies. Curled and Crumpled Leaves: Causes and Remedies. Curled tomato leaves. Generally, the presence of curls in tomato leaves is due to insufficient watering. The plant does not need a lot of water, but in the hottest periods it may happen that it may need it more and must be fed regularly or The causes that lead to this are many, here are some: dry roots, incorrect pH (must be 6.0), pest attack, plant nutritional deficiencies. Find out the causes of yellowing of potos and what remedies can be applied to prevent potos leaves from turning yellow and falling off. Its botanical name is Citrus limon and experts believe it originated from the cross.

Diseases of the lemon: recognize and treat the main ones

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  • Why does my lemon have crumpled leaves after racking? Written by Stefano Pissi on 07.05.2018 | Leave a Comment Hello, I'm a budding green thumb with a great desire to learn
  • The sparkling scent of verbena with lemon and notes of crumpled leaves that evoke a walk in an aromatic garden. Try the body line
  • Low CO2 levels. Plants grown with low CO2 levels have photosynthesis problems, old leaves fall prematurely and general growth is slow. Mature leaves fall early The plant loses its green color, turning from yellow to white. Care: In indoor cultivation you can opt for 2 solutions: you can use a CO2 dispensing kit or take advantage of the.

Questions to the expert on Limone - Portal del Verd

Potted lemon plant everything you need to know. If you want to grow lemons in pots on your balcony or garden, here you will find all the real tips on how to care for the lemon plant, how to deal with the cochineal, how to water it correctly, how to repot it and how to fertilize it to strengthen it and allow it to do. the fruits Do your plants have yellowed leaves? To solve, immediately eliminate the stagnation of water and change the amount of water with which you water that plant. Rose mealybugs. Alternatively, you can use linseed oil, passed on the plant with a vaporizer or with a soaked cotton swab. The causes that lead to this are many, here are some of them. lemon diseases crumpled leaves I have owned a lemon for some years this year in the winter months I sheltered the plant by covering it with a cloth I visit: lemon diseases crumpled leaves jasmine red leaves Good day yesterday they gave me two climbing jasmine plants I planted in a large pot of length 100

Lemon leaves with holes in the garden. Forum of Gardening

  1. - The fruit is real: the crumpled leaves, a sign that the fruit is not very fresh, pierced by the. insects, those of the lemon are spotted, the grapes are sometimes crushed or
  2. Aphids also affect the lemon, leaving sticky honeydew and leaves crumpled and then subject to smokiness. We must eradicate them with Marseille soap diluted in water, ALL TYPES OF LEMONS: four seasons lemon. lemon blossom white. Amalfi lemon. lemon moon. Sorrento lemon. Verna lemon
  3. Leaves Problem, I Can't Solve. By richipepper, July 4, 2014 in Diseases and Developmental Problems. Followers 0. Recommended Posts. richipepper 0 Posted July 4, 2014. richipepper. Sweet Pepper Members 0 6 posts
  4. Spider webs on plants: watch out for ifantria. Spider web woven by ifantria larvae. Also called the American caterpillar due to its American origins, the American ifantria (Hyphantria cunea) arrived in Italy in the 1980s and spread throughout the Po Valley, along the Alps and as far as Lazio and Abruzzo.
  5. Basket of fruit by Caravaggio, where the fruit and the dried and withered leaves symbolize at the same time the transience of life and youth and the passion of Crist
  6. The peach bubble is the main fungal disease of this much loved fruiting cultivar. We have already talked to you about the main pests of the peach tree, now it's time to deepen the discussion. Bubble is a disease which, if not preventively controlled, can compromise the entire annual production of our trees

Leaves eaten by the oziorrinco: here's how to fight them

  1. How can the leaves be Leaf - Wikipeds. The leaves can be: opposite, 2 leaves brought in a single knot in opposite position. opposite decussate, opposite leaves where each pair is rotated 90 degrees with respect to the previous one. alternate or alternate, leaves arranged one per node and oriented alternately on one side and on the other
  2. remove dry leaves, withered flowers and broken branches, potential causes of fungal diseases. For further information on the characteristics and types of geraniums, perennial herbaceous plants, you can consult the article: Geranium, while for information on cultivation practices, you can consult the guides: Geranium cultivation and Pruning geraniums
  3. Powdery mildew. Symptoms: in the warmer months a white mold appears on shoots, leaves, branches, especially on young plants. Treatment: Sulfur-based antifungals available at specialized stores. Prevention: too humid climates is frequent rains can contribute to the onset of the disease. If possible, shelter the plant with a plastic sheet during the rainy season
  4. 6. Many plants, like most varieties of palm trees, regularly shed their lower leaves, because it is a natural phase of their growth. There is no way to prevent these leaves from gradually turning brown and when they become completely discolored and dry they are cut off

Video: Treating the lemon tree with natural remedies

Crumpled leaves of the vine: what are they a symptom of? - garden



The mites they are very small shaped insects round and a color ranging from red, to brown and yellow. Due to their size they cannot be seen with the naked eye, but their presence is noticed because the leaves present yellow spots and small deformations and swelling, or you may notice some cobwebs that parasites leave along the way.


The simplest and least harmful method of getting rid of mites is to clean plants well: wet outdoor plants with a garden hose and wash the leaves of indoor plants with water (possibly lukewarm with a little very mild soap). A cloth soaked in can also be used isopropyl alcohol, rubbing it gently on the underside of the leaves.
If the problem is more extensive they can be sprayed insecticides specific natural, or chemical based, taking care to choose the most suitable for the type of plant to avoid damaging it. In any case it is important delete immediately the parts of the plant that are infested, cutting the leaves that have been attacked by the parasite and removing those that have already fallen.
Also remember that some types of insects, including ladybugs, are predators of these parasites and it may be useful to encourage their presence.



The aphids sono parassiti conosciuti comunemente come “pidocchi delle foglie“, sono molto piccoli e di colore verde brillante e sono particolarmente temuti per la velocità con cui si riproducono. Una pianta colpita da afidi perde energia is appassisce molto velocemente, insieme alle foglie che diventano gialle in poco tempo e cadono. La buona notizia è che non è difficile eliminare questi insetti.


Se il problema è ancora all’inizio sarà sufficiente lavare la pianta e rovesciarla, oppure lavare bene le foglie con acqua e sapone (il sapone uccide gli afidi e si può applicare una volta a settimana o poco più). Può essere utile utilizzare anche metodi naturali con ingredienti odiati da questi parassiti, come l’aglio triturato e lasciato macerare in acqua, in modo da avere un liquido da spruzzare sulle pianta. Se il problema è molto esteso bisognerà procedere con insetticidi specifici chiedendo consiglio a un esperto nella scelta di quello giusto per la pianta.
Anche in questo caso, coccinelle is coleotteri possono cacciare il fastidioso parassita.



L’oziorrinco è un insetto della famiglia dei coleotteri che mangia le foglie di piante e siepi ed è riconoscibile dai numerosi buchi circolari. Si tratta di un piccolo insetto nero o bruno con una piccola proboscide che trova rifugio nel terreno, ai piedi della pianta, e di notte risale il fusto per nutrirsene. Anche le larve sono pericolose, perché vivono sottoterra e si nutrono delle radici.


Una soluzione piuttosto semplice è quella di eliminare con le mani (coperte da guanti) gli insetti, oppure potete adagiare un telo di plastica sul terreno intorno alla pianta, senza lasciare nulla scoperto. Scuotendo bene le piante, noterete molti parassiti cadere sul telo. Anche del cartone impregnado di vischio alla base della pianta può essere efficace, perché blocca la risalita dell’oziorrinco durante la notte e lo intrappola. Considerando che il parassita e, soprattutto, le larve, vivono sottoterra, la soluzione chimica è poco utile in questo caso. Il metodo migliore per sbarazzarsi delle larve è di irrorare il terreno (la sera o la mattina presto) di prodotti a base di nematodi.



I minatogli fogliari sono insetti che danneggiano le foglie scavando gallerie, chiamate mine e facilmente riconoscibili, all’interno e causandone la caduta precoce e bloccando le capacità di fotosintesi da parte delle piante attaccate. L’insetto è un piccolo Dittero di colore giallo nerastro, mentre le larve, che vivono al’interno delle foglie, sono giallo-aranciate.


Contro questi insetti è molto importante intervenire tempestivamente e chimicamente, con prodotti larvicidi ad azione endoterapica, che uccidono le larve all’interno delle mine.



THE lepidotteri sono parassiti delle foglie che in primavera volano in cielo, ma che sotto forma di farfalle, non sono pericolosi. Pericolose invece sono le larve e i bruchi, che si cibano e divorano ogni specie di foglia. In questo caso è indispensabile combattere i lepidotteri sul nascere, eliminando le uova.


L’ideale sarebbe notare la presenza delle uova, bianche o gialle, in primavera ed eliminarle con le mani prima che si schiudano (tra marzo ed aprile). Se il problema si è esteso si può ricorrere a soluzioni biologiche o chimiche. Nel primo caso si possono utilizzare speciali bruchi per attaccare le larve, oppure di batteri che eliminano questi parassiti (ad esempio prodotti a base di Bacillus thuringiensis).
Nel caso di lotta chimica, si utilizzano insetticidi specifici scelti in base alla pianta da trattare.

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