Kuchepetsa thonje la Bt poyizoni wa mankhwala ophera tizilombo

Kwa zaka khumi zapitazi zomwe alimi ku India akhala akubzalaBtthonje - mtundu wa transgenic wokhala ndi majini ochokera ku bakiteriya wa nthakaBacillus thuringiensiszomwe zimapangitsa kuti ikhale yolimba ku tizilombo - kugwiritsa ntchito mankhwala ophera tizilombo kwachepetsedwa ndi theka, kafukufuku watsopano wasonyeza.

Kafukufukuyu adapezanso kuti kugwiritsa ntchitoBtThonje limathandiza kupewa milandu yosachepera 2.4 miliyoni ya poizoni wa mankhwala ophera tizilombo kwa alimi aku India chaka chilichonse, zomwe zimapulumutsa ndalama zokwana US$14 miliyoni pachaka pazaumoyo. (Onani tsamba 14.)Chilengedwenkhani zakale zaBtku India komwe kumapezeka thonjePano.)

Kafukufuku wokhudza zachuma ndi zachilengedwe waBtThonje ndiye lolondola kwambiri mpaka pano komanso kafukufuku wokhawo wa nthawi yayitali waBtalimi a thonje m'dziko losatukuka.

Kafukufuku wakale wasonyeza kuti alimi amabzalaBtThonje siligwiritsa ntchito mankhwala ophera tizilombo. Koma maphunziro akale awa sanakhazikitse mgwirizano womwe umayambitsa vutoli ndipo ochepa okha ndi omwe adayesa mtengo ndi ubwino wa zachilengedwe, zachuma ndi thanzi.

Kafukufuku waposachedwa, wofalitsidwa pa intaneti mu magaziniZachuma Zachilengedwe, adafufuza alimi a thonje aku India pakati pa 2002 ndi 2008. India tsopano ndi dziko lomwe limapanga thonje lalikulu kwambiri padziko lonse lapansiBtthonje lomwe limabzalidwa pafupifupi maekala 23.2 miliyoni mu 2010. Alimi adapemphedwa kuti apereke zambiri zokhudza ulimi, chikhalidwe cha anthu, zachuma, komanso zaumoyo, kuphatikizapo tsatanetsatane wa kagwiritsidwe ntchito ka mankhwala ophera tizilombo komanso kuchuluka kwa poizoni wa mankhwala ophera tizilombo monga kuyabwa m'maso ndi pakhungu. Alimi omwe adadwala poizoni wa mankhwala ophera tizilombo adapereka tsatanetsatane wa ndalama zochizira matenda ndi ndalama zokhudzana ndi masiku ogwira ntchito omwe adatayika. Kafukufukuyu adabwerezedwanso zaka ziwiri zilizonse.

"Zotsatira zikusonyeza kutiBt"Thonje lachepetsa kwambiri kuchuluka kwa poizoni wa mankhwala ophera tizilombo pakati pa alimi ang'onoang'ono ku India," akutero kafukufukuyu.

Kafukufukuyu akuwonjezera kuti zokambirana za anthu onse zokhudza mbewu zosinthidwa majini ziyenera kuyang'ana kwambiri ubwino wa thanzi ndi chilengedwe zomwe zingakhale "zofunika kwambiri" osati zoopsa zokha.