How to prevent and cure black fruit disease of Chinese wolfberry
Lycium barbarum black fruit disease harm Lycium barbarum green fruit, flowers, buds, but also harm twigs and leaves. Lycium barbarum L. can be infected by this disease from early May to late October. From May to June, the average daily temperature is above 17℃, the relative humidity is about 60%, there are 2~3 days of rainfall every ten days, and the disease can occur in the field. From July to September, the average daily temperature is 17.8℃~28.5℃, the rainfall in ten days is more than 4 days, and the average humidity in two consecutive ten days is more than 80%, the incidence rate will increase sharply. Control method: clean wolfberry garden in winter, remove and burn infected fruits, leaves and branches; spray 50% Tuijunte wettable powder 600 times solution; spray equivalent Bordeaux mixture 100 times solution.
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Management techniques of cutting seedlings of Lycium barbarum
Lycium barbarum is a perennial deciduous shrub of Solanaceae, about 2 meters high, with angled and spiny branches; simple leaves alternate or clustered on short branches, lanceolate or rhombic, entire; flowers purplish red; berries, orange-red, ovate or long oval. Chinese wolfberry likes cold, cool and humid fertile soil, cold-resistant, drought-resistant, wind-resistant and rain-resistant, but not resistant to high temperature, in poverty.
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Control of black fruit disease of Lycium barbarum
The occurrence of Chinese wolfberry root rot is common and the harm is serious. 3% of the plants die due to the disease every year, which causes great losses to the production of Chinese wolfberry. According to the research of Lu Zhankui and others of Ningxia Academy of Agriculture and Forestry, there are two types of root rot symptoms: (1) root rot type. The root or root neck decayed and peeled off to varying degrees, and the stem.
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