Kev siv cov nyhuv ntawm Chlorempenthrin

Chlorempenthrinyog ib yam tshiab ntawm pyrethroid insecticide nrog kev ua haujlwm siab thiab tsis muaj tshuaj lom, uas muaj txiaj ntsig zoo rau yoov tshaj cum, yoov thiab kab laum. Nws muaj cov yam ntxwv ntawm lub siab vapor siab, zoo volatility thiab muaj zog tua lub zog, thiab lub knockout ceev ntawm cov kab tsuag yog ceev, tshwj xeeb tshaj yog nyob rau hauv cov tshuaj tsuag thiab fumigation.

Txoj kev siv

1. Paj rwb tswj kab tsuag

(1) Tiv thaiv thiab tswj cov paj rwb bollworm: daim ntawv thov ntawm cov tshuaj nyob rau hauv lub ncov ntawm lub qe incubation, 10% bifenthrin cream 23 ~ 40ml ib mu ntawm dej 50 ~ 60kg tsuag, 7 ~ 10d tom qab cov tshuaj muaj ib tug zoo tshuaj tua kab thiab bud tiv thaiv nyhuv. Cov koob tshuaj no kuj tseem siv tau los tswj cov paj rwb bollworm. Lub sijhawm tsim nyog rau kev tiv thaiv thiab kev kho mob yog thib ob thiab thib peb tiam ntawm qe incubation, thiab txhua tiam yog kho ob zaug.

(2) Kev tiv thaiv thiab kho cov kab mob paj rwb: Yog tias cov mites raug siv rau theem ntawm qhov tshwm sim, 10% cream 30 ~ 40ml ib mu ntawm dej 50 ~ 60kg tshuaj tsuag, lub sij hawm seem ntawm li 12d, kuj tuaj yeem kho paj rwb aphids, choj worms, nplooj worms, thrips, thiab lwm yam. ib nrab).

2. Tswj cov txiv hmab txiv ntoo kab tsuag

(1) Kev tiv thaiv thiab kev kho mob ntawm peachworm: siv tshuaj nyob rau hauv lub ncov ntawm lub qe incubation, thaum lub qe txiv hmab txiv ntoo tus nqi nce mus txog 0.5% ~ 1%, siv 10% bifenthrin emulsion 3300 ~ 4000 zaug kua tshuaj tsuag. Txau 3 mus rau 4 zaug hauv tag nrho lub caij tuaj yeem tswj tau nws qhov kev puas tsuaj, thiab lub sij hawm seem seem yog li 10d.

(2) Kev tiv thaiv thiab kev kho mob ntawm apple nplooj mites: ua ntej los yog tom qab lub paj ntawm txiv apples, nyob rau hauv theem ntawm cov neeg laus thiab yog hais tias mites tshwm sim, thaum txhua nplooj muaj ib tug nruab nrab ntawm 2 mites, siv tshuaj, thiab tshuaj tsuag nrog 10% cream 3300 ~ 5000 zaug kua. Nyob rau hauv cov ntaub ntawv ntawm tsawg mite qhov ncauj ceev, lub sij hawm residual nyhuv yog 24 mus rau 28 hnub. Nws kuj tseem siv tau los tswj cov nplooj miners thiab cov nplooj liab liab ntawm lwm cov ntoo txiv ntoo.

3. Tswj cov kab tsuag zaub

(1) Kev tswj hwm ntawm whitefly: Nyob rau theem pib ntawm qhov tshwm sim ntawm whitefly, cov kab cov pej xeem tsis siab.

(2) Txog lub taub hau / tsob nroj, qhov ntau npaum li cas yog: lub tsev cog qoob loo cog cucumbers thiab txiv lws suav nrog 2 ~ 2.5g cov khoom xyaw zoo ib mu ntawm 50kg tshuaj tsuag rau hauv dej, qhib cog nrog 2.5 ~ 4g cov khoom xyaw zoo ib mu ntawm 50kg tshuaj tsuag rau hauv dej, tuaj yeem tswj tau nws qhov kev puas tsuaj hauv 15d. Thaum cov pejxeem kab laum yog qhov siab, kev tswj hwm ntawm tib koob tshuaj tsis ruaj khov.

(3) Kev tiv thaiv thiab kev kho mob ntawm aphid: siv tshuaj nyob rau lub sijhawm tshwm sim, siv 10% bifenthrin emulsifiable roj 3000 ~ 4000 zaug ua kua tshuaj tsuag, tuaj yeem tswj tau qhov mob, lub sijhawm seem ntawm li 15d. Qhov koob tshuaj no tseem tuaj yeem tswj tau ntau hom kab noj kab tsuag, xws li kab mob cab, pob zeb diamond npauj thiab lwm yam.