What medicine is used to roll the leaves of fruit trees?

In the process of planting fruit trees, there is often leaf curling, if long-term leaf curling, may affect the normal growth of fruit trees, thus affecting the quality of fruit, then what medicine is used for leaf curling? In fact, there are many factors that affect the leaf curling of fruit trees, which should be decided according to the specific situation.

1. Lack of water

If the fruit trees are short of water, there may be leaf curls, especially in summer, when the weather is hot, plants are likely to have leaf curls.

Solution: if the plants are short of water only because of the hot weather, the symptoms can be relieved as long as they are watered or shaded properly.

II. Insect pests

Aphids are the most likely pests to cause fruit tree curl. Aphids often gather in the back of the leaves to suck juice, causing leaf curling and wrinkling.

Solution: for aphids, 2000-fold solution of imidacloprid or pyrethroid pesticides can be used to control aphids.

III. Potassium deficiency

The leaf edge scorched and gradually expanded from the lower part of the new shoot to the upper part. The Summer Solstice scorched on the leaves of the old tree at the end of summer, sometimes the leaves were turquoise, and then the leaf margin curled parallel to the main vein, faded, and then burned.

Solution: spray 0.2%-0.3% potassium dihydrogen phosphate during the growing season, or apply potassium sulfate to the soil.

Fourth, calcium deficiency

The tip of the top young leaves curled like a hook and became brown and scorched after a few days.

Solution: calcium preparation ga calcium treasure, Merrill Lynch efficient calcium, calcium lactate and other good results.

5. Molybdenum deficiency

The interveinal chlorosis and even yellowing of the leaves are prone to yellow or orange spots of different sizes, the leaves are slender and deformed, the leaf margin curls upward into a cup, and finally the mesophyll falls off and is incomplete.

Solution: spray 1.2% ammonium molybdate solution on the leaf.

There are many factors that cause the leaf curling of fruit trees, and the leaf curling symptoms caused by different situations are also different. it is necessary to prescribe the right medicine in order to fundamentally prevent and cure the leaf curling of fruit trees.