2006-4-7 10:05:0Production of industry of silkworm of county of 2 Jin cloud serves terminal
Because the mulberry field pest such as mulberry snout moth's larva happened last year serious, cardinal number of live through the winter is higher, occupy investigation of plant diseases and insect pests of mulberry field of near future each district again, have mulberry looper at present (gage bug) , the insect pest such as borer of mulberry caterpillar, mulberry happens; Disease of mulberry shedding juice also has happen, predict to be in spring the mulberry when 5 age can produce silkworm Sang Duanzhi is ill, accordingly, hope broad silkworm raiser is caused take seriously, had caught plant diseases and insect pests of mulberry field of nearly one level in time to prevent and cure, bumper harvest of high yield of capturing Chun Xie. Opinion of specific prevention and cure is as follows:1, period mulberry snout moth's larva produced late autumn silkworm last year serious farmer, must wait for the egg of mulberry snout moth's larva of silkworm room inside and outside, aurelian, imago cleared and clean. Reach inside mulberry field additionally all around the place that mulberry snout moth's larva hides, for example on fireweed, Sang Kuzhi, seam the egg that waits to also want snout moth's larva of cleared and clean mulberry inside the department, aurelian, imago to wait, use oil of breast of 40% mulberry treasure even 2500 times fluid (namely 1 knapsack water adds a drug) gush is applied 1 times.
2, from March the first ten days of a month begins, in weather thaw by day, looper of mulberry caterpillar, mulberry already climbed to have Sang Ya and tender part of a historical period to mulberry. Accordingly, silkworm raiser is sure to be in oil of breast of 40% mulberry treasure was used before the bottom in March 2500 times fluid (namely 1 knapsack water adds a drug) gush applies mulberry of entire individual plant, 1 mu of mulberry field water of at least 4 knapsack, removed to the safety of silkworm period 10 days.
3, mulberry borer prevents and cure, it is to use times fluid of 80% DDVP 30-50 to besmear Sang Zhi works, 2 it is to use a place of strategic importance of fluid of medicine of pily ball Taoist sacrificial ceremony to enter nethermost to excrete aperture inside, or inject to aperture of nethermost eat by moth with one-time shot canister medical fluid.
4, the prevention and cure of Sang Duanzhi disease, should notice to cannot miss prevention and cure particularly comfortable period, silkworm raiser is in Sangcheng florescence, Chinese olive period, be in namely recently in this paragraph of time, can use artificial method to excise female flower and green Sang Guo first, reoccupy the 70% ferry that hold cloth in the palm 1500 times or gush of 1000 times fluid applies spirit of 50% much bacterium mulberry, namely each flat tube atomizer (about 25 jins) 8 grams are joined to hold cloth ferry or spirit of 12.5 grams much bacterium in the palm in water, lie between 7-10 day again gush, the 2-3 that connect gush second.
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