Mankhwala a Herbicide Omwe Amagwiritsidwa Ntchito Poletsa Udzu Bispyribac-sodium
Bispyribac-sodiumamagwiritsidwa ntchito poletsa udzu, udzu ndi namsongole wamasamba otakata, makamaka Echinochloa spp., mumpunga wopangidwa mwachindunji, pamitengo ya 15-45 g/ha.Ankagwiritsanso ntchito kulepheretsa kukula kwa namsongole m'malo osalima.Mankhwala a herbicide.Bispyribac-sodium ndi mankhwala a herbicide ambiri omwe amalamulira udzu wapachaka komanso wosatha, udzu ndi udzu.Ili ndi zenera lalikulu la ntchito ndipo ingagwiritsidwe ntchito kuchokera pamasamba 1-7 a Echinochloa spp;nthawi yoyenera kukhala 3-4 tsamba siteji.Chogulitsacho ndi cha foliar application.Kusefukira kwa munda wa paddy kumalimbikitsidwa mkati mwa masiku 1-3 mutagwiritsa ntchito.Pambuyo pobzala, namsongole amatenga pafupifupi milungu iwiri kuti afe.Zomera zimawonetsa chlorosis ndikusiya kukula patatha masiku 3 mpaka 5 mutabzala.Izi zikutsatiridwa ndi necrosis ya minofu yomaliza.
Kugwiritsa ntchito
Amagwiritsidwa ntchito poletsa udzu ndi udzu wamasamba otakata monga udzu wa barnyard m'minda ya mpunga, ndipo atha kugwiritsidwa ntchito m'minda ya mbande, m'minda yothirira mbewu mwachindunji, m'minda yaying'ono yobzala mbande, ndi poponya mbande.