Gulugufe waumbombo wa ku udzu ndi wa lepidoptera, yomwe poyamba inkapezeka ku America. Zimayamba makamaka chifukwa cha chimanga, mpunga ndi ma grascomb. Panopa akuukira dziko langa, ndipo pali malo ofalikira, ndipo njenjete yaumbombo ya udzu ndi yamphamvu kwambiri, ndipo chakudya ndi chachikulu. Ndipo vuto la kupewa ndi kulamulira ndi lalikulu, kotero ndizovuta kwambiri kubzala ndi kuteteza zomera malire.
Ndondomeko yopewera
M'kupita kwanthawi, tetezani zachilengedwe, yesetsani kuteteza mdani kuti ateteze njenjete zaumbombo za udzu ndi kuyeza kwanthawi yayitali, kapena gwiritsani ntchito kukonzekera kwachilengedwe monga Ba clative ndi mabakiteriya obiriwira kuti mupewe kuwongolera. Pakuti tizilombo mwadzidzidzi, Ndi bwino kugwiritsa ntchito Mankhwala ndi kupewa ndi kulamulira, ndi njira yothandiza kwambiri ntchito mankhwala ophera tizilombo panopa ntchito, ndipo panopa palibe kulembetsa mankhwala kupewa ndi kuchiza udzu umbombo njenjete, koma tingalepheretse udzu umbombo njenjete.
Malinga ndi zochitika zakunja, wothandizira bwino poyang'anira udzu, othandizira akuphatikizapo chlorebenzamide, bromodide amide, fluoroamide, etc., othandizira awa, cypta ester, cyinatryrid, ndi cyanoikracera, wothandizira wosakanikirana tizilombo nitrile + mchere wa methyl, indole,Meta-salt + indoxy, alimi ndi ogwira ntchito zoteteza zomera amatha kutsimikiziridwa malinga ndi momwe zinthu zilili m'deralo, komanso kugwiritsa ntchito payekha kwa wothandizira mmodzi kuti ateteze chithandizo.
Kusamalitsa
Popewa ndi kuchiza udzu, ndikofunikira kugwiritsa ntchito njira yabwino yopewera ndi kuchiza tizirombo, ndikusankha zotsatira za mankhwalawa m'mawa kapena madzulo. Chifukwa umbombo wa udzu umakhala wofulumira, kuwongolera mwachangu ndikofunikiranso. Chifukwa chake, tikulimbikitsidwa kuti muwonjezere zotumphukira zogwira ntchito mwachangu pakugwiritsa ntchito.
Nthawi yotumiza: Mar-09-2022