How to prevent and cure mulberry rotten head blast
Mulberry bacterial black blight, commonly known as "rotten head blast", is one of the serious mulberry diseases. Symptoms: ① black blight bud, the first bud of the disease lost luster and died sharply; ② shoot stem rot. Black rot appeared in the stem of the new shoot, necrosis of phloem and xylem in part, and rotten head of ③. After the apical bud leaves were infected, the growing point first withered. Control methods: ① to eliminate pathogens. When it is found that the plant has black blight buds, rotten shoots, base rot and branch spot, it should be cut off and burned in time to prevent the bacteria from spreading; ② mulberry daily management such as picking leaves and cutting strips, do not tear the branches to avoid wound infection; ③ sprays the tree with 1% Bordeaux solution before germination; ④ uses 50 grams of copper sulfate, adding 12% ammonium water 400 kg 450 g, mixed with 50 kg water, and sprayed in the mulberry garden after mixing to control the disease.
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Removing Mulberry Flowers and Mulberry fruits to Control Mulberry shoot Breaking Disease
Mulberry shoot-breaking disease, also known as branch-breaking disease, white mulberry disease. Shoot-breaking disease is a widely prevalent mulberry disease in recent years. It is a disease caused by the pathogen of Sclerotinia sclerotiorum to infect new shoots through the stalk of morula, causing the base of new shoots to rot and break. The disease is characterized by the disease of mulberry trees with long female mulberry flowers or androgynous flowers.
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Winter breeding Pleurotus ostreatus to prevent deformity
The cultivation area of Pleurotus ostreatus is constantly expanding, the cultivation techniques are constantly renovated and improved, and the disastrous weather disturbs the cultivation of Pleurotus ostreatus from time to time. The main disastrous weather in winter and spring are: snowfall (including blizzard, snowstorm), cold spell, strong wind and cooling weather (including blowing sand and floating dust), continuous.
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