Autumn Control Facility Tomato Pests

According to a recent survey of vegetable pests and disease monitoring sites in this Municipality, Tomato yellow leaf curl virus disease occurred in tomatoes in local areas. The diseased shed rate was 48%, the average disease rate was 8.4%, and the highest manifestation rate was 70%. Obvious disease sheds have occurred in the whitefly, the strain rate is 100%; the average number of 100 insects is 291, up to 1000.

Autumn is in the fall season vegetable growing season and winter wolfberry vegetable nursery period, is also the age of Bemisia tabaci, according to the Beijing Meteorological Bureau climate center forecast, from mid-August to early September, precipitation in most areas is less than normal, temperature Higher than usual, suitable for the occurrence of tobacco whitefly, damage and transmission of drugs. All vegetable bases should be classified for prevention.

Seedlings adopt insect-proof nets, yellow sticky board is suspended and other measures are taken to cultivate insect-free seedlings. Production of sheds as early as possible in the vents, the entrance of more than 40 mesh set of insect nets, blocking the transfer of tobacco whitefly to the greenhouse spread (can be a net after the discretion of the chemical control, kill the buckle in the shed of the whiteflies) Hang yellow plates, monitor and trap adult insects; find tobacco white taint injure, promptly use imidacloprid, thiamethoxam, chlorpyrifos, piracetacloprid and other agents spray, or dichlorvos, isoprocarb smoke smoke; combined with timely removal of agricultural operations The lower part has the whitefly eggs, nymphal branches and weeds, and timely removal of diseased plants is handled properly.

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