The common virus diseases of strawberry virus disease are the following five kinds
1, mottled type, its leaves irregularly green, yellow, showing mottled.
2, brown type, the edge of the blade is yellow-brown.
3. In the form of a dead spot, there are necrotic and dead spots on the leaves, and the spots are irregularly round.
4, pulse dark type, in the seedling period, the leaf veins appear black, the veins on the opposite side of the leaves are yellow-brown.
5, shrinking type, leaf shrinkage, leaf surface is not smooth or spoon-like. When the summer temperature is high, the diseased plants are short and the symptoms are not obvious or disappear, but the yield and quality are significantly reduced.
Its prevention and control methods: As with other crop virus diseases, in addition to agricultural control measures, special attention should also be paid to the prevention and control of transmission media. The disease-infecting insects are aphids, and they are used to control aphids with chrysanthemum lipid pesticides such as fenbutan, sprayed once every 10-15 days, and sprayed 2-3 times.
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