What pesticide does kiwifruit anthracnose use?

Kiwifruit anthracnose is a disease caused by a subphylum fungus, which greatly affects the yield of kiwifruit, so what pesticides should be used for kiwifruit anthracnose?

I. the main symptoms of kiwifruit anthracnose

Anthracnose generally opens from the edge of kiwifruit leaves, showing a water stain at first, and then becomes a thirsty irregular disease class. The boundary between illness and health is obvious. In the later stage, the lesion becomes grayish white in the middle and thirsty at the edge. The edge of the damaged leaf is curled, the leaf is easy to break when dry, and there are many small black spots on the front of the disease spot.

When the fruit is susceptible, needle-sized light brown spots appear on the green fruit surface in the early stage of the disease, which is round and the edge is clear; in the later stage of the disease, the day shift gradually expands and becomes brown or dark brown. The surface is slightly sunken, and the flesh of the diseased fruit becomes brown and rotten, which can rot to the core of the fruit. The disease can occur in the whole growth period of kiwifruit, but the damage is more serious from early fruiting to defoliation.

2. Control measures of kiwifruit anthracnose.

The prevention and control measures of kiwifruit anthracnose are mainly divided into two parts: prevention and control, the main preventive measures are to reduce the production of pathogens, the main measures are as follows:

1. Pay attention to timely heart binding, so that the orchard ventilation and light, reasonable application of nitrogen, phosphorus, potassium fertilizer, improve plant disease resistance, pay attention to drainage after rain to prevent stagnant water.

2. combined with pruning, clearing the garden in winter and burning the sick and disabled bodies.

3. After fruit picking, clean the orchard, cut off the branches of diseases and insect pests, and burn them centrally, so as to reduce the source of infection of diseases and insect pests.

In the drug treatment after the onset of the disease, the patients were generally sprayed with Liangguoan 150,300x + Wofengsu 600x + garlic oil 1000-1500 times for 3 times, each time at an interval of 3-5 days. It can also be sprayed with metopromazuron, isobarbazide, prochloraz, carbendazim, diphenyl ether bromofenil, fluoropyramide and other agents.

We will stop here about kiwifruit anthracnose. If there is an abnormal phenomenon in kiwifruit trees, the cause must be determined in time and symptomatic treatment must be carried out in time.