What should I do if the edges of the grape leaf are yellow?

There are several possible reasons for yellowing of the edges of grape leaves:

1.Plants lack nitrogen, the old leaves first begin to turn yellow, and then gradually turn yellow from the bottom up, timely supplement urea, ammonium bicarbonate, ammonium sulfate and other nitrogen fertilizers from the roots or leaves, or import high-nitrogen water-soluble fertilizers, you can promote the leaves to turn green.

2.Crops lack phosphorus, the whole plant will turn dark green, and no luster, the leaves will also turn yellow, timely supplement of superphosphate and other phosphorus fertilizers, can promote the leaf to restore luster.

3.Crops, fruit trees, vegetables and flowers are deficient in potassium, the leaves will be uneven, and the edges of the leaves may also turn yellow and withered.

4.Plant iron deficiency, young leaves and old leaves at the same time yellowing, young leaves of the mesophyll yellow, leaf veins green, the formation of a network of yellow leaves, generally watered ferrous sulfate, but the concentration should not be too large, can be applied in stages, to avoid burning roots.

5.Crops lack calcium, young leaves turn yellow and curl, can be applied to crushed egg shells or Ribery Yanwo imported chelated calcium and magnesium fertilizer to reduce the harm.

6.Plants are deficient in magnesium, the leaves turn green and yellow, and finally dry up and die, and calcium, magnesium, phosphorus, and magnesium sulfate fertilizers are applied in time.

7.Crops are deficient in sulfur, leaf veins are yellow, and ammonium sulfate is applied in time to promote the leaves to turn green.

8.In strong alkaline soils, yellowing of leaves will also occur, and acidic fertilizers such as rice washing water and ferrous sulfate can be applied to change the soil environment.

9.Overwatering or stagnant water, the young leaves of the plant turn yellow, excessive drought, the old leaves begin to turn yellow, gradually aggravated from the bottom up, and even the whole plant dies, adjusting the soil moisture can be effectively remedied.

10.Too much fertilization or too short interval time will cause fertilizer damage, and the young leaves will be uneven, but the leaves are thick and shiny, and the symptoms can be alleviated by controlling fertilizer watering and cultivating loose soil.

If you are lacking in elements, make up some phosphorus and zinc to see the effect.

Hello, glad to answer for you! The yellowing of grape leaves is treated as follows: 1Check the grape leaves for pests and diseases, and if so, take timely control measures; 2.

Check that the vines are adequately hydrated and if not, replenish them in time; 3.Check whether the fertilizer is sufficient for the vines, and if it is insufficient, apply fertilizer in time; 4.Check whether the air circulation of the vines is not enough, and if it is insufficient, open the remaining air of the vines in time; 5.

Check that the vines have enough light and move the vines in time if they are insufficient; 6.Check that the temperature of the vines is suitable, and if not, adjust the temperature of the vines in time.

Grape yellow leaves are caused by soil salinization, lack of light, lack of iron, etc.

Regular pruning of excess foliage on the vine; Increase the number of times the soil is loosened to avoid soil compaction, while also enhancing the ability of its roots to absorb nutrients; Fill the jar with ferrous sulphate solution (one ring), then dig up the tray, bury the jar in the soil and insert the root system of the vine (about centimeters thick) into the bottle, bury 2 bottles per plant, and finally cover it with soil.

Nutrient-complete organic and inorganic foliar fertilizers should be used for remedy, supplementing the nitrogen, phosphorus, potassium, iron, manganese, molybdenum, copper, zinc, calcium, magnesium, sulfur and other nutrients required by grape plants, spraying 300 500 times fulvic acid or amino acid compound fertilizer plus 300 500 times of micro-fertilizer potassium dihydrochloride, spraying 3 5 times in a row, with an interval of 5 7 days. Fulvic acid is rich in humic acid, which can enhance tree potential, regulate physiological functions, increase mineral nutrients, and improve the stress resistance of plants.

Grape iron deficiency yellow leaf disease is treated with underground buried bottle iron absorption method, and the effect is very good. Fill a 100ml bottle with 1 cycloferrous sulfate solution, dig up the tree disk, find the root system of the left and right thickness, insert it into the bottle, plug the bottle mouth and bury it in the soil, bury 2 bottles in each plant, and the leaves of the diseased plant will be green after a week, this method can obtain obvious and long-term results.

If you find other irregular color spots on the leaves, you need to remove it immediately, improve the ventilation environment, strengthen management, and remove the surrounding weeds, spray carbendazim, thiazinone, dichlorvos, insecticides and other pesticides.

Confused, the leaves are yellow, that's your pampton, lack of water and fertilizer, in order to take it away, I will change it at the end of last month.

Answer: The yellowing of the leaves of the vine may be caused by a lack of iron, and the ferrous sulfate solution should be watered as soon as possible to adjust the pH of the soil. It may also be a lack of magnesium, and trace element fertilizer should be applied as soon as possible to ensure sufficient nutrients. It may also be caused by infection with pests and diseases, and it is recommended to spray relevant pesticides as soon as possible.

In addition, if it is not properly managed, such as long-term water shortage or improper fertilization, it is easy to yellow leaves, and the management should be strengthened, timely water replenishment, and reasonable top dressing.

Hello question. The new leaf is like this.

Is it a lack of elements or a lack of water?

Question: What should I do?

Answer: How to treat yellowing of grape leaves Grape is a vine, and some problems will inevitably occur in the planting process, such as yellowing of grape leaves is a common phenomenon, so how to treat yellowing of grape leaves? 1. To control the yellowing of plant leaves, it is necessary to look at the soil moisture, generally check whether the soil is short of water, or too much watering will also cause the leaves to yellow. The edge of the leaf is a phenomenon of water shortage, which should be watered in time and slowly infiltrated to ensure that the soil locks in water and alleviates the phenomenon of yellow leaves; If the new leaves are yellow and shiny, it is a sign of excessive moisture, and the watering work should be stopped immediately.

2. Suitable light for a long time to conceal the yellowing of leaves caused by insufficient light, remove the concealment measures in time and supplement the light; On the contrary, long-term direct sunlight will also cause yellowing, dryness and burn of leaves, and shading measures should be taken in time to alleviate it. 3. Prevention and control of pests and diseases When grape plants suffer from leaf spot disease, there will also be yellow leaves, and the whole plant should be sprayed with 50% carbendazim 500 times in time, while scale insects and red spiders can be brushed with a toothbrush dipped in soapy water, and then sprayed with insecticides for control. The yellowing of grape leaves may be caused by moisture, light, diseases and pests, and it is enough to carry out reasonable control for different situations.

Causes of yellowing of grape leaves:

1. Caused by insufficient light.

Grape branches and leaves need sufficient light conditions to grow, and if there is not enough light for a long time, it will lead to growth stagnation and even yellowing of the leaves. Therefore, it must be exposed to sufficient sunlight every day for 7-9 hours to promote photosynthesis and make the leaves grow verdant and green.

2. The temperature is too low.

Prolonged exposure to lower temperatures can lead to yellowing of the leaves. Therefore, it is necessary to maintain a suitable growth temperature, keep the temperature between 27-28 degrees during the growing season, and pay attention to the winter must not be lower than 15 degrees, so that the warmth measures can be taken.

3. Serious water accumulation.

Grapes need the right amount of water to grow, and if the soil is too dry or waterlogged, the leaves will turn yellow. Therefore, it is necessary to water the soil appropriately every once in a while, and the amount of water should keep the soil moist and not produce stagnant water. Keep the air humidity at 56%.

4. Caused by long-term iron deficiency.

A long-term lack of iron in grapes can lead to yellowing of the leaves. Therefore, during the growth period, you can spray the ferrous sulfate solution or a multifunctional foliar fertilizer containing iron 3-4 times in a row. In addition, boron fertilizer should be supplemented in the process of iron supplementation, which can effectively reduce and prevent the occurrence of yellow leaf disease.

Causes of yellowing of grape leaves:1. Lack of iron: The yellowing of the leaves of the grapevine is likely to be due to the lack of iron, especially the yellowing of the new leaves, and the green leaves of the old leaves, which indicates the lack of iron.

If you want it to recover as soon as possible, it is recommended to water ferrous sulfate solution, reasonable watering can adjust the pH of the soil, promote the pH balance, and the vines can return to normal growth as soon as possible.

2. Lack of magnesium: when the grapevine lacks magnesium, the leaves will also turn yellow, and the magnesium can promote the normal photosynthesis of the leaves of the grapevine, so as to accumulate more nutrients, promote vigorous growth, and also avoid the yellowing of the leaves. If magnesium is lacking, it is necessary to top fertilize the vine as soon as possible, and apply a compound fertilizer with trace elements, so as to ensure normal growth and better fruit set.

3. Infection with pests and diseases: The yellowing of the leaves of the grapevine may also be caused by infection with pests and diseases, no matter what kind of pests and diseases, once found, it should be treated as soon as possible. Clean up all the diseased leaves, burn them, and spray relevant agents for treatment to avoid leaving germs and eggs.

In addition, the environment should be changed in the later stage, and the infection of pests and diseases is mostly caused by environmental discomfort, so it is necessary to strengthen ventilation and control the temperature and humidity.

The reasons for the yellowing of grape leaves are:

1. Pest and disease infection.

Cause: The yellowing of the leaves of the grapes may be related to the infection of pests and diseases. If the maintenance is not done properly, it may lead to pests and diseases in the grapes, which will cause the leaves to turn yellow, wilt and fall.

Solution: After being infected, first determine the type of pests and diseases infected by grapes, cut off the branches and leaves with pests and diseases, and then spray the corresponding drugs.

Second, the impact of drug damage.

Reason: When spraying grapes, if the sprayed drug is not suitable, or the concentration of the sprayed drug is too high, it may cause pesticide damage to the grapes and cause yellowing of the leaves.

Solution: Use symptomatic drug spraying, not use too high concentration of drug. After the occurrence of pesticide damage, organic fertilizer can be reasonably applied to improve resistance and alleviate the impact of pesticide damage.

3. Lack of pigment and yellowing.

Reason: Grapes do not pay attention to good fertilization, if there is a lack of certain nutrients in the growth, it will also lead to the lack of nutrients yellow.

Solution: Regular fertilization during the growth period to ensure good nutrients, determine which nutrients are missing, and spray fertilizer in response to the symptoms.

Fourth, root damage.

Reason: When grapes are growing and maintained, if the soil is compacted, heavy, not breathable, or too much watering and fertilization, it may cause root damage and cause yellow leaves.

Solution: Control the application of water and fertilizer, pay attention to regular loosening of the soil, and provide a suitable growth environment.

Yellowing of grape leaves is due to too little nitrogen fertilization. 1. The amount of fruit hanging in the previous year was large, the fertilization before germination was insufficient, and the nutritional imbalance and lack of nutrients led to the yellow leaf situation.

2. Root system problems, there are few new capillary roots, and nutrients cannot be given to the leaves.

3. The amount of nitrogen fertilizer is too small, and now many people use high-phosphorus and high-potassium fertilizers in the early stage, resulting in uneven application of nitrogen fertilizer.

It is suggested that the underground should be mainly supplemented with rooting and soil supplementation, and the self-nutrient biological fertilizer should be combined with suspended carbon liquid balance water-soluble fertilizer, so that the root nutrition can be replenished and the growth can be restored.

Foliar spraying of medium and trace element fertilizers, such as organic acid boron calcium foliar fertilizer, improve the photosynthesis of plants, promote the supplement of a variety of medium and trace elements, for the reduction of yellow leaves The effect is still good, if the growth is poor, you can add some urea.

The causes of yellowing of grape leaves include disease, improper watering, soil discomfort, improper fertilization, and lack of trace elements.

1. Suffering from diseases.

The yellowing of the leaves of the vine is most likely due to a disease, the roots of the cherry tree have begun to rot due to root rot, or the plant itself has been infected with germs, which has caused a serious disorder in the overall water supply system, which indirectly or directly leads to a lack of water in the leaves and gradually withering and rotting.

2. Improper watering.

When watering the vines, it is necessary to follow the principle of seeing dry and wet, so that the watering is enough to water thoroughly but does not leave standing water, if it is allowed to be in a severe drought environment for a long time, the plant will lack water and yellow leaves, but if the roots are waterlogged for a long time, the plant will also appear yellow leaves because of the water rotten roots.

3. The soil is unsuitable.

Poor soil can also lead to stunted growth and development of the vine, which is more suitable for growing in loose and fertile sandy soils, and if it is provided with excessively viscous soil as a substrate, or if the soil is severely compacted and salinized, the plant will have yellowing of the leaves due to the lack of adaptation to the environment.

4. Improper fertilization.

Improper fertilization will also cause the leaves of the vine to turn yellow, this plant should follow the principle of thin fertilizer and frequent application when fertilizing, apply a small amount many times, and appropriately adjust the ratio of fertilizer used, if the use of heavy fertilizer or unripened raw fertilizer, the leaves of the vine will also be yellow.

5. Lack of trace elements.

The yellowing of grape leaves is yellowed between the veins, the veins are green, and the ridge type can be magnesium deficiency and iron deficiency. If the old leaves turn yellow, it can generally be determined to be magnesium deficiency, and the yellowing of new leaves is most likely due to iron deficiency.

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There can be several reasons for the yellowing of grape leaves, and here are a few common ones:1Water shortage:

If the vine is deprived of water, it will give priority to the fruit with water, causing the leaves to become dehydrated and causing the leaves to turn yellow. 2.Soil quality issues:

The lack of nutrients and organic matter in the soil can also cause the leaves to turn yellow. 3.Pests and diseases and pathogenic old virus infections:

Grapes can also have some pests, diseases and viral infections that cause yellowing of the leaves and other abnormal symptoms. 4.Excessive moisture:

If the soil is not well drained, the leaves will be in a moist state for a long time, which will easily lead to root rot, which in turn will cause the leaves to turn yellow.