Dab tsi yog European pob kws borer thiab nws cuam tshuam li cas cov pob kws nroj tsuag thiab cov noob qoob loo?
Dab tsi yog European pob kws borer thiab nws cuam tshuam li cas cov pob kws nroj tsuag thiab cov noob qoob loo?

Video: Dab tsi yog European pob kws borer thiab nws cuam tshuam li cas cov pob kws nroj tsuag thiab cov noob qoob loo?

Video: Dab tsi yog European pob kws borer thiab nws cuam tshuam li cas cov pob kws nroj tsuag thiab cov noob qoob loo?
Video: TUDev Tech Talk с профессором Борой Озкан - Финтех и будущее финансов 2024, Kaum ib hlis
Anonim

Lub boring puas yuav tsis muaj zog lub cog txaus ua rau cov stalk breakage tom qab lub caij, feem ntau tshwm sim hauv qab pob ntseg. Los yog nws yuav ua rau pob kws ua stunted, ua rau tawm los txo los ntawm kev tsis muaj peev xwm ntawm cov cog thauj dej thiab khoom noj khoom haus los ntawm nws cov stalk puas.

Nyob rau hauv txoj kev no, ua li cas European pob kws borer cuam tshuam rau cov qoob loo ntawm pob kws?

Hypothesis: Yog ECB cuam tshuam ib tawm los ntawm pob kws tiam, the yield ntawm pob kws yuav muaj me me ntawm kernels vim qhov qis / siab kab mob uas cuam tshuam rau cov mob uas cov pob kws yuav loj hlob nyob rau hauv. (nroj kab mob, huab cua huab cua, av tsis zoo, thiab lwm yam)

Ib yam li ntawd, European pob kws borer noj dab tsi? Ib tug loj pests ntawm pob kws , cov European pob kws borer Ostrinia nubilalis yuav Kuj tseem pub rau ntau tshaj 300 ntau lub vaj nroj tsuag suav nrog kua txob, taum snap, qos yaj ywm, txiv lws suav, txiv apples thiab gladiolus. Kev puas tsuaj rau pob kws yog tshwm sim los ntawm cov hluas larvae uas zom nplooj thiab tassels.

Ib tug kuj nug, koj yuav tswj tau cov pob kws European li cas?

Foliar tshuaj tsuag: European pob kws borers tuaj yeem tswj tau zoo nrog ib mus rau peb cov tshuaj tsuag ib ntu ntawm pob kws . Yog tias, thaum koj tshawb nrhiav, koj pom tias 15% (lossis ntau dua) ntawm pob ntseg muaj cov larvae nyob los yog noj tshiab puas tsuaj, tshuaj tsuag ib zaug nrog Bt lossis spinosad.

Puas yog Bt pob kws muaj txiaj ntsig los tswj cov teeb meem pob kws?

Bacillus thuringiensis (cov Bt ) yog ib yam kab mob tshwm sim uas tsim cov protein uas yog siv tau rau cov tswj ntawm ob peb kab, xws li yoov, yoov tshaj cum, Colorado qos yaj ywm kab thiab pob kws borers . Cov neeg ua liaj ua teb tau siv Bt txij li xyoo 1920, thiab nws tau ua lag luam txij li xyoo 1950s.

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