Chemical control of mango stem rot
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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Mango blossoms are early and fertile.
In order to cultivate mango with high yield, the varieties should be selected first. After the seedlings are grafted and survived, the management should be carried out in time, such as expanding holes, preventing diseases and insect pests and so on. Scientific and rational fertilization is an important link related to high yield and good fruit quality throughout the whole tree age cycle. Note: 1, young mango tree root system is small, fibrous root.
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Management of bagged mango seedlings in winter
Control methods: 1. According to the damage characteristics of the larvae, capture the larvae. 2. The adults can be trapped by black light. 3, chemical control: can be killed by the enemy, trichlorfon, dichlorvos and so on.
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