Autumn and Winter Artifical Prevention of Diospyros
Shizilla is one of the main fruit pests of the persimmon tree, and is named after the damage of the larvae from the fruit of the persimmon tree. After its larvae have fallen into fruit, the affected fruit generally turns yellow from the green, becomes red, and becomes soft and causes a large amount of shedding. The first generation of the schistosomiasis occurred in 2 generations. The first generation of larvae was in the middle of June. The second generation of larvae was endangered from mid-July to early August. Its fertility is strong. A female moth can lay about 30 eggs for 1 year and 5-7 days for the egg. Its larvae also have the habit of transforming fruit. Each larvae can damage 3 to 5 fruits. In rainy and high-temperature weather, larvae transform more and the damage is heavier.
The old larvae of Sakyrichia cruzi live in the old skin of the persimmon tree branches and in the roots of the tree roots and in the damaged dried fruits that remain in the trees. According to this habit, we can take artificial control measures in the autumn and winter to eliminate its overwintering larvae.
One, tied grass ring. Before the larvae start to get over the winter, they are tied to the trunk in the trunk and burned off when they are cleared to reduce the source of insects.
Second, scrape the bark. With a spatula, the rough cracks and old cracks in the perennial branches are scraped off and the overwintering pests are removed directly from the trees. This method can be carried out after falling leaves.
Third, the Qingyuan. After defoliation, the residues of easy-to-carry pests such as dead branches, diseased fruit, diseased shoots, fallen leaves, and weeds in the orchard are completely removed. When clearing the garden, you should pay attention to the first tree and the lower tree, and burn or bury the scavenge.
Fourth, white. Apply the prepared liquid to the trunk and scraped skin. The whitening agent can be prepared from 3 parts of quicklime, 1 part of lime sulfur stock solution, 10 parts of water, salt, and vegetable oil.
The old larvae of Sakyrichia cruzi live in the old skin of the persimmon tree branches and in the roots of the tree roots and in the damaged dried fruits that remain in the trees. According to this habit, we can take artificial control measures in the autumn and winter to eliminate its overwintering larvae.
One, tied grass ring. Before the larvae start to get over the winter, they are tied to the trunk in the trunk and burned off when they are cleared to reduce the source of insects.
Second, scrape the bark. With a spatula, the rough cracks and old cracks in the perennial branches are scraped off and the overwintering pests are removed directly from the trees. This method can be carried out after falling leaves.
Third, the Qingyuan. After defoliation, the residues of easy-to-carry pests such as dead branches, diseased fruit, diseased shoots, fallen leaves, and weeds in the orchard are completely removed. When clearing the garden, you should pay attention to the first tree and the lower tree, and burn or bury the scavenge.
Fourth, white. Apply the prepared liquid to the trunk and scraped skin. The whitening agent can be prepared from 3 parts of quicklime, 1 part of lime sulfur stock solution, 10 parts of water, salt, and vegetable oil.
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