Method for preventing early leaf cast of pomegranate in northern Anhui province

Abstract

The invention discloses a method for preventing an early leaf cast of pomegranate in northern Anhui province, belonging to the technical field of prevention of pomegranate trees. The method is characterized by comprising the following steps of field management and pesticide control in a growth period. The method disclosed by the invention has the beneficial effects that the method for preventing the early leaf cast of the pomegranate in the northern Anhui province is provided, the experience of preventing the leaf cast of the pomegranate is summarized through many years of planting and prevention practices; the field management is emphasized, and scientific and reasonable pesticide control is adopted, so that the effects of simplicity and low cost are achieved, and the early leaf cast of the pomegranate is effectively prevented, therefore the purposes of high yield and high quality of the pomegranate in the northern Anhui province are finally achieved. Proved by practices, the phenomenon of preventing the early leaf cast of the pomegranate occurs indeed by utilization of the method disclosed by the invention.

Description

technical field [0001] The invention relates to the technical field of pomegranate tree prevention and control, in particular to a method for preventing and treating early deciduous disease of pomegranate in northern Anhui. Background technique [0002] Early defoliation of pomegranate mainly affects the leaves. In the early stage, it first occurs on the lower part of the crown and the inner chamber leaves. The lesions of brown spot diseased leaves are small brown spots at first, and later develop into needle-shaped, concentric wheel-shaped or mixed-type lesions. The small black particles on the lesions are the spore discs of the pathogen; It is round or nearly round, with brown or gray spots; the leaves of ring spot lesions are brown or dark brown and have obvious ring patterns, which mostly occur on the edge of the leaves, and a few occur in the middle of the leaves. When the air is humid, black mold often appears on the back of the leaves. The occurrence of the disease...

AI Technical Summary

Problems solved by technology

The occurrence of the disease caused a large number of leaves to fall off, which seriously affected the photosynthesis of the tree, resulting in malnutrition, few flower buds, incomplete differentiation of flower buds, severe bud drop, flower drop, and fruit drop.

At the same time, it also causes the skin color of the fruit to be black and blue, small in size, small in grain, light in taste, and reduced in quality.