Covtshuaj tua kab tshiab in Txoj Cai Tswj Kab Tsuagxa mus rau cov tshuaj tua kab uas muaj cov khoom xyaw nquag uas tsis tau pom zoo thiab sau npe hauv Suav teb ua ntej. Vim muaj kev ua haujlwm siab thiab kev nyab xeeb ntawm cov tshuaj tua kab tshiab, qhov ntau npaum li cas thiab zaus ntawm daim ntawv thov tuaj yeem raug txo kom ua tiav cov tshuaj txo qis thiab nce kev ua haujlwm zoo, uas yog qhov zoo rau kev loj hlob ntsuab ntawm kev ua liaj ua teb thiab kev txhawb nqa kev ua liaj ua teb zoo.
Txij li xyoo 2020, Tuam Tshoj tau pom zoo tag nrho ntawm 32 daim ntawv sau npe tshuaj tua kab tshiab (6 xyoo 2020, 21 xyoo 2021, thiab 5 txij lub Ib Hlis mus txog Lub Peb Hlis 2023, tsis suav nrog ntau yam txwv rau kev xa tawm sau npe tab sis tsis tso cai rau kev txhawb nqa hauv tsev). Ntawm lawv, 8 hom ntawm 10 cov khoom tsim tau sau npe rau ntawm cov ntoo txiv ntoo (xws li strawberries) (suav nrog 2 cov khoom tsim rau txhua tus ntawm 2 cov tshuaj tua kab tshiab). Qhov tsab xov xwm no soj ntsuam nws cov qeb, mechanism ntawm kev txiav txim, ntau npaum li cas daim ntawv, toxicity, sau npe cov qoob loo thiab tswj cov khoom, siv txoj kev, ceev faj, thiab lwm yam., nyob rau hauv thiaj li yuav muab siv rau scientific siv tshuaj thiab kev nyab xeeb zus tau tej cov txiv hmab txiv ntoo ntoo nyob rau hauv Tuam Tshoj.
Cov yam ntxwv ntawm cov tshuaj tua kab tshiab:
1. Kev faib tawm ntawm cov hom yog ua tiav
Txij li xyoo 2020, ntawm 8 cov tshuaj tua kab tshiab tau sau npe rau ntawm tsob ntoo txiv ntoo (xws li strawberries), suav nrog 2 tshuaj tua kab, 1 acaricide, 4 fungicides, thiab 1 tus tswj kev loj hlob ntawm cov nroj tsuag, kev faib tawm ntawm cov tsiaj kuj ua tiav thiab zoo ib yam.
2. Cov tshuaj tua kab mob lomdominate lub ntsiab
Ntawm 8 cov tshuaj tua kab tshiab, tsuas yog 2 yog tshuaj tua kab, suav txog 25%; Muaj 6 hom tshuaj biopesticides, suav txog 75%. Ntawm 6 hom tshuaj biopesticides, muaj 3 cov tshuaj tua kab mob microbial, 2 tshuaj tua kab biochemical, thiab 1 cov tshuaj tua kab hauv cov nroj tsuag. Qhov no qhia tau hais tias txoj kev loj hlob sai ntawm biopesticides nyob rau hauv Tuam Tshoj yog maj nrawm.
3. Lub zuag qhia tag nrho toxicity ntawm cov khoom yog tsawg
Ntawm 10 cov khoom tsim, muaj 7 qib toxicity tsawg thiab 3 qib toxicity tsawg. Tsis muaj qhov nruab nrab, siab toxicity, lossis cov khoom muaj kuab lom heev, thiab kev nyab xeeb tag nrho yog qhov siab.
4. Feem ntau cov formulations yog ntsuab thiab ib puag ncig tus phooj ywg
Ntawm 10 cov khoom npaj, muaj 5 tus neeg raug tshem tawm (SC), 2 dej dispersible granules (WG), 1 solvable agent (SL), 1 wettable hmoov (WP), thiab 1 volatile core (DR). Tsuas yog cov hmoov ntub dej, feem ntau ntawm lawv yog cov dej-raws li, organic solvent-dawb, thiab ib puag ncig tus phooj ywg formulations, uas ua tau raws li cov kev xav tau ntawm kev tsim ua liaj ua teb niaj hnub no. Tshwj xeeb tshaj yog rau cov khoom tseem ceeb tsis hloov pauv, tsis muaj kev sib cuag ncaj qha nrog cov txiv hmab txiv ntoo thaum lub sij hawm thov, thiab tsis muaj kev pheej hmoo ntawm cov tshuaj tua kab.
Txij li xyoo 2020, ntawm 8 cov tshuaj tua kab tshiab tau pom zoo rau kev sau npe ntawm tsob ntoo txiv hmab txiv ntoo hauv Suav teb, 2 tshuaj tua kab tau tsim los ntawm cov tuam txhab txawv teb chaws, thaum cov lag luam hauv tsev feem ntau tsom rau kev tsim cov kev xav tau tsawg.biopesticides. Nyob rau hauv xyoo tas los no, los ntawm kev xav thoob ntiaj teb, nws tau dhau los ua qhov nyuaj los tsim cov tshuaj tua kab tshiab uas tuaj yeem ua tau raws li "kev ua tau zoo, kev nyab xeeb, thiab kev lag luam", thiab qhov teeb meem ntawm kev tiv thaiv tau dhau los ua qhov tseem ceeb.
Post lub sij hawm: Nov-01-2023