kubaza

Kumenyekanisha arthropods kuri Cry2A ikorwa numuceri wa Bt

Raporo nyinshi zireba ibyonnyi bitatu byingenzi bya Lepidoptera, ni ukuvuga,Chilo suppressalis,Scirpophaga incertulas, naCnaphalocrocis medinalis(Crambidae yose), arizo ntego zaBtumuceri, hamwe nudukoko tubiri twa Hemiptera, ni ukuvuga,Sogatella furciferanaNilaparvata lugens(byombi Delphacidae).

Nk’uko ubuvanganzo bubivuga, inyamaswa zangiza udukoko twangiza umuceri wa lepidopteran ni iy'imiryango icumi ya Araneae, kandi hari andi moko y’inyamaswa zo muri Coleoptera, Hemiptera, na Neuroptera.Parasitoide y’udukoko twangiza udukoko twitwa lepidopteran dukomoka mu miryango itandatu ya Hymenoptera ifite amoko make yo mu miryango ibiri ya Diptera (ni ukuvuga Tachinidae na Sarcophagidae).Usibye ubwoko butatu bw'udukoko twangiza udukoko, LepidopteraNaranga aenescens(Noctuidae),Parnara guttata(Hesperiidae),Mycalesis gotama(Nymphalidae), naPseudaletia separata(Noctuidae) na byo byandikwa nk'udukoko twangiza umuceri.Kuberako bidatera igihombo kinini cyumuceri, ariko, ntibikunze gukorwaho iperereza, kandi amakuru make arahari kubanzi babo.

Abanzi karemano b'udukoko tubiri twinshi,S. furciferanaN. lugens, byizwe cyane.Amoko menshi y’inyamanswa avugwa yibasira ibyatsi biva mu bwoko bwa hemipteran ni ubwoko bumwe bwibasira ibyatsi bya lepidopteran, kubera ko ahanini ari abajenerali.Parasitoide y udukoko twangiza udukoko twa Delphacidae dukomoka ahanini mumiryango ya hymenopteran Trichogrammatidae, Mymaridae, na Dryinidae.Mu buryo nk'ubwo, parasitoide ya hymenopteran izwiho ibihingwaNezara viridula(Pentatomidae).ThripsStenchaetothrips biformis.Ubwoko bwa orthopteran nkaOxya chinensis.Oulema oryzae(Chrysomelidae), udukoko twangiza Coleoptera mu Bushinwa, twibasiwe n’inyamaswa zo mu bwoko bwa coleopteran hamwe na parasitoide ya hymenopteran.Abanzi nyamukuru b'udukoko twangiza ni parasitoide ya hymenopteran.

Kugirango usuzume urwego arthropods ihura na Cry proteins muriBtumurima wumuceri, ubushakashatsi bwakorewe mu murima bwakorewe hafi ya Xiaogan (Intara ya Hubei, Ubushinwa) mu myaka ya 2011 na 2012.

Ubwinshi bwa Cry2A bwagaragaye mubice byumuceri byakusanyijwe muri 2011 na 2012 byari bisa.Amababi yumuceri yarimo cyane ya Cry2A (kuva 54 kugeza 115 μg / g DW), hagakurikiraho umuceri wumuceri (kuva kuri 33 kugeza 46 μg / g DW).Igiti cyarimo ubushyuhe buke (kuva 22 kugeza 32 μg / g DW).

Uburyo butandukanye bwo gutoranya (harimo no guswera, urupapuro rwo gukubita no gushakisha amashusho) byakoreshejwe mu gukusanya ibimera 29 bikunze guhura n’ibinyabuzima - bibera mu bwoko bwa arthropod muriBtno kugenzura ibibanza byumuceri mugihe na nyuma ya anthesis muri 2011 na mbere, mugihe na nyuma ya anthesis muri 2012. Ubunini bwapimwe cyane bwa Cry2A muri arthropodes yakusanyirijwe kumatariki yatanzwe.

Hafi 13 y’ibyatsi biva mu miryango 11 yo muri Hemiptera, Orthoptera, Diptera, na Thysanoptera byakusanyirijwe hamwe.Muri gahunda Hemiptera abakuze baS. furciferana nymphs hamwe nabakuze baN. lugensyarimo urugero rwa Cry2A (<0.06 μg / g DW) mugihe poroteyine itagaragaye mu yandi moko.Ibinyuranye, umubare munini wa Cry2A (kuva 0.15 kugeza 50.7 μg / g DW) byagaragaye muri byose usibye icyitegererezo cya Diptera, Thysanoptera, na Orthoptera.ThripsS. biformisyarimo ubunini bwinshi bwa Cry2A muri arthropods zose zegeranijwe, zari hafi yubushuhe bwimyenda yumuceri.Mugihe cya anthesis,S. biformisyarimo Cry2A kuri 51 μg / g DW, yari hejuru kuruta kwibanda ku ngero zegeranijwe mbere ya anthesis (35 μg / g DW).Na none, urwego rwa poroteyine muriAgromyzasp..Ibinyuranye, urwego muriEuconocephalus thunbergii(Orthoptera: Tettigoniidae) yari hejuru yikubye inshuro 2,5 ingero zegeranijwe nyuma ya anthesis kuruta mugihe cya anthesis.


Igihe cyo kohereza: Apr-06-2021