Iipheromones zanyanzelisa ii-caterpillars ze-contediaring scoop yokukhuthaza izinambuzane

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Iipheromones zanyanzelisa ii-caterpillars ze-contediaring scoop yokukhuthaza izinambuzane 5745_1

Iingcali ze-entomologicasts kwiDyunivesithi yaseGrand Durados eBrazil zafumanisa ukuba umdla owodwa osondeleyo xa uxutywe nezinambuzane eziqhelekileyo, phucula kakhulu umlo onqumamileyo.

Oku kunciphisa umonakalo obangelwe kukuhlwayela ii-Conn kuzo zonke iindawo zovavanyo ezisibhozo kwiMata Grosu-Dul, kwingingqi yezolimo eBrazil.

Umlo wokulwa ne-Corn DiedTeas (Spodoptera Frugiperda) iya isiba nzima ngakumbi ngenxa yonyuso lozinzo oluthile kwizinambuzane (BT) zezityalo.

Kolu phononongo, eyona ndlela iyonke yavavanywa ngokutshiza i-nocture ®cy metomyl inittide.

Iimvavanyo zenziwa kwimimandla yengqolowa, kwiinkcubeko ezingaqulathi kwaye i-BT, ngexesha leminyaka emibini yezolimo (ngo-2018 nange-2019) kwizixeko eziziisibhozo ezikwiMatis, eBrazil.

Kusetyenziswe ezi ndlela zonyango kwezi zinambuzezi zilandelayo: Ukutshiza imitya eqhubekayo nganye 100, engama-50 ne-25 m; I-Tistic skishu nganye ye-25 m; ulawulo (ngaphandle kokusetyenziswa kwezinambuzane); kwaye itshiza yonke indawo inambuzeli (ulawulo olululo).

Intloni eneentloni ezinxulumene ne-moleculle i-Istaticcide isetyenziswe kwisityalo kwizityalo ezikwizityalo v1 kunye ne-V3, kwaye ubungakanani benani labantu abadala lwaqikelelwa kunye nenqanaba lomonakalo kumagqabi obangelwe ziinkuni.

Ukusetyenziswa kwebheyile yetyhefu kunye nemigca enethuba elingaphantsi okanye elingalinganiyo kwi-50 m kuncitshiswe kakhulu ipesenti yomonakalo kwizityalo, kwaye impembelelo ibinamandla kwizityalo bt.

Izazinzulu zikholelwa ukuba ulawulo lwabantu abadala be-Corn Cons zinokuba ngcono ukuba iindlela zokutsala kunye nokutshabalalisa zibandakanya ukuvunwa kwesinambuzane se-Cornil Conn nge-90%.

Le attractant yabonelelwa i-Environmental Agrotechnical Company ISCA, Inc., eUnited States, nto leyo liphuhlisa isizukulwana esitsha arhente yokulwa kwezinambuzane ezolimo jikelele, esebenzisa amandla pheromone kunye nezinye izinto semi-cohemical secreted izityalo kunye nezilwanyana endalweni ukuba Ukuxhaphaza indlela yokuziphatha kweentlobo zezinambuzane ekujoliswe kuzo.

I-ISCA iphuhlisile kwaye ivelisa le mveliso ye-nocycchovi yokusasaza i-upl eBrazil.

(Umthombo: www.ccsenet.org).

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