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Ho pepeseha ha arthropods ho Cry2A e hlahisoang ke Bt rice

Litlaleho tse ngata li ama likokoanyana tse tharo tsa bohlokoahali tsa Lepidoptera, ke hore,Chilo suppressalis,Scirpophaga incertulas, leCnaphalocrocis menalis(kaofela Crambidae), e leng lipheo tsaBtraese, le likokoanyana tse peli tsa bohlokoahali tsa Hemiptera, ke hore,Sogatella furciferaleNilaparvata lugens(ka bobeli Delphacidae).

Ho ea ka lingoliloeng, libatana tse kholo tsa likokoanyana tsa raese tsa lepidopteran ke tsa malapa a leshome a Araneae, 'me ho na le mefuta e meng e jang liphoofolo tse tsoang Coleoptera, Hemiptera le Neuroptera.Likokoana-hloko tsa likokoanyana tsa raese tsa lepidopteran li tsoa haholo malapeng a tšeletseng a Hymenoptera le mefuta e seng mekae ho tsoa malapeng a mabeli a Diptera (e leng, Tachinidae le Sarcophagidae).Ho phaella ho mefuta e meraro e meholo ea likokoanyana tsa lepidopteran, LepidopteraNaranga aenescens(Noctuidae),Parnara guttata(Hesperiidae),Mycalesis e matla(Nymphalidae), lePseudaletia separata(Noctuidae) le tsona li tlalehiloe joalo ka likokoanyana tsa raese.Leha ho le joalo, kaha ha li bake tahlehelo e khōlō ea raese, ha li batlisoe ka seoelo, ’me ho na le boitsebiso bo fokolang ka lira tsa tsona tsa tlhaho .

Lira tsa tlhaho tsa likokoanyana tse peli tse kholo tsa hemipteran,S. furciferaleN. lugens, li ithutoe haholo.Bongata ba libatana tse tlalehiloeng li hlasela li-hemipteran herbivores ke tsona tse hlaselang li-lepidopteran herbivores, hobane haholo-holo ke batho ba akaretsang.Likokoana-hloko tsa likokonyana tsa hemipteran tsa Delphacidae li tsoa haholo malapeng a hymenoptera Trichogrammatidae, Mymaridae, le Dryinidae.Ka mokhoa o ts'oanang, likokoana-hloko tsa hymenoptera li tsebahala ka kokoanyana ea semelaNezara viridula(Pentatomidae).Li-thripsStenchaetothrips biformis(Thysanoptera: Thripidae) hape ke sesenyi se tloaelehileng sa raese naheng ea China Boroa, 'me libatana tsa eona li tsoa haholo Coleoptera le Hemiptera, athe ha ho na parasitoid e tlalehiloeng.Mefuta ea li-Orthopteran joalo kaOxya chinensis(Acrididae) le tsona hangata li fumanoa masimong a raese, 'me libatana tsa tsona li kenyelletsa mefuta ea Araneae, Coleoptera le Mantodea.Oulema oryzae(Chrysomelidae), kokoana ea bohlokoa ea Coleoptera naheng ea Chaena, e hlaseloa ke libatana tsa coleoptera le hymenopteran parasitoids.Lira tse kholo tsa tlhaho tsa likokoanyana tsa dipteran ke hymenoptera parasitoids.

Ho lekola boemo boo li-arthropods li pepesetsoang liprotheine tsa Cry ho tsonaBtmasimo a raese, teko e phetoang ea tšimo e ile ea etsoa haufi le Xiaogan (Profinseng ea Hubei, Chaena) lilemong tsa 2011 le 2012.

Likhakanyo tsa Cry2A tse fumanoeng ka har'a lisele tsa raese tse bokelletsoeng ka 2011 le 2012 li ne li tšoana.Makhasi a raese a ne a e-na le likhahla tse phahameng ka ho fetisisa tsa Cry2A (ho tloha ho 54 ho ea ho 115 μg / g DW), e lateloa ke peō ea raese (ho tloha ho 33 ho ea ho 46 μg / g DW).Lithupa li ne li e-na le likhahla tse tlaase ka ho fetisisa (ho tloha ho 22 ho ea ho 32 μg / g DW).

Ho ile ha sebelisoa mekhoa e fapaneng ea lisampole (ho kenyeletsoa ho suction sampling, beating sheet le phuputso e bonoang) ho bokella mefuta e 29 ea li-arthropod tse lulang li le teng hangata.Btle ho laola maqiti a raese nakong le ka morao ho annthesis ka 2011 le pele, nakong le ka morao ho annthesis ka 2012. Likarolo tse phahameng ka ho fetisisa tse lekantsoeng tsa Cry2A ho li-arthropods tse bokelitsoeng ho matsatsi leha e le afe a sampuli a bontšitsoeng.

Kakaretso ea liphoofolo tse jang litlama tse 13 tse tsoang malapeng a 11 a Hemiptera, Orthoptera, Diptera le Thysanoptera li ile tsa bokelloa le ho hlahlobisisoa .Ka tatellano Hemiptera batho ba baholo baS. furciferale nymphs le batho ba baholo baN. lugense ne e e-na le lipalo tsa Cry2A (<0.06 μg/g DW) ha protheine e sa fumanoe mefuteng e meng.Ka lehlakoreng le leng, palo e kholoanyane ea Cry2A (ho tloha ho 0.15 ho ea ho 50.7 μg / g DW) e ile ea fumanoa ho bohle ntle le mohlala o le mong oa Diptera, Thysanoptera, le Orthoptera.Li-thripsS. biformise ne e e-na le likhahla tse phahameng ka ho fetisisa tsa Cry2A tsa li-arthropods tsohle tse bokelitsoeng, tse neng li le haufi le ho tsepamisa mohopolo ka har'a lisele tsa raese.Nakong ea anthesis,S. biformise ne e e-na le Cry2A ho 51 μg/g DW, e neng e phahame ho feta mahloriso a mehlala e bokeletsoeng pele ho anthesis (35 μg/g DW).Ka mokhoa o ts'oanang, boemo ba protheine bo tengAgromyzasp.(Diptera: Agromyzidae) e ne e le> makhetlo a 2 ka holimo ho lisampole tse bokelletsoeng nakong ea anthesis ea raese ho feta pele kapa ka mor'a anthesis.Ka lehlakoreng le leng, boemo baEuconocephalus thunbergii(Orthoptera: Tettigoniidae) e ne e batla e phahame ka makhetlo a 2.5 ho lisampole tse bokelitsoeng ka mor'a ho hlakisa ho feta nakong ea li-anthesis.


Nako ea poso: Apr-06-2021