MySheen

Chemical control of mango stem rot

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, 1 site condition Meizhou is located in the mountainous area of eastern Guangdong, with annual rainfall of 1800mm, annual average temperature of 21 ℃, annual sunshine hours of 2031 hours, and extreme minimum temperature of-2.6 ℃. The planting land is sloping land, sandy soil, thin soil, pH value 4.5, organic matter 1.65%, total nitrogen 0.083mg/kg, hydrolyzed nitrogen 112mg/kg, phosphorus pentoxide 0.

Fungal diseases. Damage to fruits in storage, causing fruit rot; damage to branches called gummosis. Picking fruit after rain or wet without fruit stalk is beneficial to the occurrence of this disease. Control methods: ① clearing garden in winter, increasing lime and potassium fertilizer at ordinary times; strengthening spraying at flowering and fruiting stages to reduce the amount of latent bacteria (refer to anthracnose control drugs).② Pick fruit after sunny day and dew drying, avoid mechanical injury, and leave 1cm fruit stalk. (3) Within 24 hours after harvest, the fruits were soaked in 1000 times solution of 2- 5% prochloraz (31℃) for 2-5min, or 50% benlaite or 50% tektor (53±1℃) for 10-15 min.

 
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