Comprehensive control technology of mango soot disease
Fungal diseases. At present, six kinds of pathogens causing mango soot disease have been found in China. In order to harm leaves, shoots and fruits, affect leaf photosynthesis and fruit appearance. Prevention and control methods: first, reasonable close planting and pruning to keep the crown ventilated and transparent. Second, focus on the control of aphids, shell insects, flat-beaked leafhoppers, white moth wax cicadas and other pests, in the use of pesticides, potassium permanganate 1000 times solution can be added. The third is to spray 0.5% lime half-dose Bordeaux liquid or 0.3 Baume degree stone-sulfur mixture at the initial stage of the disease.
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Occurrence and control of mango anthracnose
The main results are as follows: 1. the main damage symptoms are mango flowers, fruits and tender shoots. After the young leaves were infected, there were many round brown spots with yellow halo around them, and gradually expanded into round, polygonal or irregular brown spots, and then ruptured and perforated. The leaves and young fruits were easily infected by wounds caused by gall midges, leafhoppers and so on. Seriously susceptible to illness.
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Orchard disease of mango: bituminous coal disease
Mango flat-beaked leafhopper is also called leaf hopper to damage flower ear and young fruit, resulting in falling flowers and fruit, poor harvest or even loss of harvest, and serious soot disease, but also damage young buds, tender shoots and leaves, causing buds and leaf deformities. It usually occurs more often in the flowering stage, the humidity is high, and the closure of the crown is more likely to cause the worm. Often in Hainan.
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