Fodya whitefly (bemisia tabaci) ndi tizilombo towononga padziko lonse lapansi ndipo titha kuwononga kwambiri masamba. Kukana kwake kuteteza mbewu ndi chimodzi mwazovuta zomwe zimachitika. Chifukwa chake, kuzindikirika kwa masinthidwe amtundu wotsutsa kungapereke chidziwitso chofunikira pakuwongolera tizirombo. Komabe, mtundu wa Bemisia tabaci ndi wawung'ono, wokhala ndi utali wa thupi osakwana 1mm. Ntchito yotsatizana yamutu umodzi imakhala yovuta, ndipo nthawi zambiri gDNA imapezedwa pang'ono, koma imawononga nthawi yambiri ndi chuma, ndipo njira zatsopano zodziwira ndizofunikira mwamsanga mu kafukufuku wa sayansi.
© Tomasz Klejdysz | Dreamstime.com
Vegetable Pest Research Laboratory yakhazikitsa njira yodziwira kuchuluka kwa masinthidwe a jini mu tizilombo tating'onoting'ono pogwiritsa ntchito ukadaulo wa amplicon ndikuzindikira kuchuluka kwa ma pyrethroid resistance-related point masitions a sodium ion channel genes mu Bemisia tabaci population. Njirayi ndi yothandiza komanso yodalirika ndipo imathetsa vuto lozindikira ma jini osinthika pafupipafupi a tizilombo tating'onoting'ono.
Kutsata kwa Amplicon kudagwiritsidwa ntchito pozindikira momwe dothi, zomera, kapena tizilombo tating'onoting'ono ta m'matumbo anyama, zomwe zitha kugwiritsidwa ntchito kusanthula kuyanjana kwapakati pa tizilombo toyambitsa matenda ndi nyama ndi zomera. Njira yotsatirira amplicon imachokera ku ukadaulo wa Next-generation Sequencing, womwe umakhala ndi magwiridwe antchito apamwamba ndipo umatha kuzindikira zapakati pazitsanzo zambiri.
Gululo linakhazikitsa njira yabwino yodziwira kuchuluka kwa masinthidwe potengera ma amplicon. Mafupipafupi a L925I ndi T929V mu VGSC okhudzana ndi kukana kwa pyrethroid adapezedwa mu kafukufukuyu, zomwe zingapereke deta yoyambira yoyendetsera kukana kwa B. tabaci.
Kafukufukuyu amapereka njira yothandiza komanso yodalirika yodziwira kuchuluka kwa masinthidwe amtundu wa tizilombo tating'onoting'ono ndipo ndiwothandiza pakukula kwa tizirombo m'munda. Kafukufukuyu adasindikizidwa mu nyuzipepala ya akatswiri a entomology Pest Management Science (impact factor 3.75), Q1 ya Chinese Academy of Sciences. Wolemba woyamba wa nkhaniyi ndi Wei Yiyun, wofufuza pambuyo pa udokotala ku Lab. Wothandizira wofufuza Wang Ran, Dr. Qu Cheng, ndi Dr. Guan Fang wochokera ku Nanjing Agricultural University adagwira nawo gawo lina la ntchitoyi. Wofufuza Luo Chen ndiye mlembi wofananira wa pepalali.
Wei, Y., Guan, F., Wang, R., Qu, C. ndi Luo, C. (2021), Amplicon sequencing imazindikira masinthidwe okhudzana ndi kukana kwa pyrethroid ku Bemisia tabaci (Hemiptera: Aleyrodidae). Pest Manag
Tsiku lofalitsidwa: