The symptoms of peanut bud disease mainly occur in Guangxi, with the highest incidence of 20%. Many chlorotic rings or maculas accompanied by necrosis appear in the top leaves of the diseased plants. The vascular bundles along the petiole or epidermis often become brown necrotic or lead to apical death, apical growth is inhibited, severe internode shortening and leaf necrosis occur. Dwarfing plants obviously.
Pathogen Tomato spot wilt virus, abbreviated as TSWV, is called tomato spotted wilt virus. The virus particle system has a lipoprotein double membrane sphere, size 70-90nm, passivation temperature 45-50°C, in vitro virus protection period 5-6 hours, dilution limit 1000-10000 times, can infect system peanut, Mung beans, soybeans, peas, sesame, tomatoes, peppers, common tobacco, sesame, etc., cause mosaic, ring spots, necrosis and other symptoms.
Transmission routes and disease conditions The disease is mainly transmitted from four kinds of thrips, including Thrips tobaci.
See peanut streak disease prevention methods.
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