Txoj kev tsim cov tshuaj tua kab Bt feem ntau poob rau hauv ob pawg: kua sib sib zog nqus fermentation thiab semi-cov khoom fermentation. Ob -txoj kev tsim khoom, kev siv tau zoo, yooj yim, thiab siv tau Bt cov tshuaj tua kab ntau lawm tau tsim los ntawm kev txhim kho thiab kev tsim kho tshiab raws li cov txheej txheem semi-cov khoom fermentation, muaj cov txheej txheem tsim khoom yooj yim thiab tuaj yeem nce lossis nqis, ua rau nws tshwj xeeb tshaj yog tsim rau kev nce qib hauv cov chaw lag luam me thiab nruab nrab -. Nws tuaj yeem txo cov nqi tsim khoom ntawm cov tshuaj tua kab thiab tau ua lub luag haujlwm zoo hauv kev tsim cov tshuaj tua kab microbial. Nws yog tshwj xeeb tshaj yog zoo tiv thaiv nplooj - noj zaub pests xws li kab ntsig kab ntsig thiab pob zeb diamondback npauj. Nws tswj cov paj rwb bollworms thiab ntoo thuv kab ntsig kuj tau nthuav dav.
Hauv daim ntawv thov teb, kom ntseeg tau tias cov tshuaj tua kab zoo, qhov kub thiab txias rau kev loj hlob sai ntawm cov kab mob Bt yuav tsum tau ntsib; qhov siab dua qhov kub, qhov muaj zog ntawm cov kab mob. Lub hnub ci muaj zog yuav tsum zam, vim tias ultraviolet hluav taws xob tuaj yeem ua rau cov kab mob Bt puas tsuaj. Nws yog qhov zoo tshaj rau siv tshuaj tua kab tom qab 4 teev tsaus ntuj. Tsis tas li ntawd, kev saib xyuas yuav tsum tau them rau lub neej tus cwj pwm thiab kev cuam tshuam ntawm lub hom phiaj kab, cov qoob loo thiab ib puag ncig, thiab kev siv cov synergists. Piv txwv li, txhawm rau tswj cov borers, siv cov tshuaj tua kab 2-3 zaug thaum lub sij hawm lub qe qe hatching, tshwj xeeb tshaj yog zoo tiv thaiv pob kws borers. Thaum cov borers tau burrowed rau hauv qia, kev tswj yuav tsis zoo. Rau pob kws borers, daim ntawv thov yuav tsum nruj me ntsis tswj nyob rau hauv lub kawg ntawm lub whorl theem kom ua tau zoo. Rau cov kab mob bollworms, daim ntawv thov 2-3 hnub tom qab lub sij hawm tso qe ntau tshaj tawm cov txiaj ntsig tseem ceeb. Cov neeg ua liaj ua teb hauv zos muaj kev paub txog kev tswj cov kab tsuag los ntawm kev tshem tawm cov kab thiab tsom cov qe, tsis yog larvae. Ua li no, thaum cov larvae hatch, lawv noj cov tshuaj tua kab sai li sai tau thaum lawv tawg los ntawm lub qe, sai sai tuag los ntawm kev lom. Qhov seem ntawm cov tshuaj tua kab B2 feem ntau kav 7-10 hnub. Yog tias nws los nag tom qab thov, cov dej nag yuav ntxuav cov tshuaj tua kab, yuav tsum tau muab tshuaj tsuag dua.
Kev siv cov txheej txheem muaj xws li tshuaj tsuag, plua plav, daim ntawv thov whorl, thiab tshuaj tsuag saum huab cua. Txawm li cas los xij, xyuas kom meej txawm tias daim ntawv thov los lav tias cov kab tsuag muaj lub sijhawm los noj, yog li ua tiav cov nyhuv tua. Thaum cov tshuaj tua kab Bt ntxiv rau cov kab ntau ntawm cov tshuaj tua kab lossis sib xyaw nrog lwm cov tshuaj tua kab mob microbial, lawv tuaj yeem ua tiav cov txiaj ntsig zoo, ua kom cov kab tsuag tuag ntau ntxiv. Biopesticides formulated nrog Bt insecticides thiab lwm yam tshuaj lom neeg muaj ib tug dav insecticidal spectrum thiab yog nrov ntawm cov neeg siv khoom.
