Keywords
ildiz bo‘g‘ma nematodasi (Meloidogyne spp.)
izolyat
in vitro
ikkilamchi metabolit.
How to Cite
Abstract
O‘simlik paraziti bo‘lgan umurtqasiz nematodalar hozirgi kunga kelib kartoshka, pomidor, bodring, qalampir, baqlajon, yer yong‘oq, guruch, shakarqamish, banan, kokos va sitrus mevalarining ildiz va yer usti organlariga salbiy ta’sir ko‘rsatib, hosildorlikni keskin tushirmoqda. Kimyoviy pestitsidlardan foydalanish esa atrof-muhit va ekologiyaning yomonlashuviga olib keladi. Ushbu tadqiqotda dastlab sog‘lom loviya (Phaseolus vulgaris) o‘simligining ildiz, urug‘, poya va barg organlaridan jami 12 ta endofit zamburug‘ izolyati ajratib olindi. Ajratib olingan endofit zamburug‘ izolyatlari Zhang va Mo (2006) tomonidan ishlab chiqilgan in vitro model asosida o‘rganildi. Bunda har bir izolyatga 200 tadan Meloidogyn spp. J2 lichinkasi qo‘shilib, 24 va 72 soat oralig‘ida ta’sir kuzatildi. Natijada “L.P- 3” izolyati tomonidan lichinkalarning 94.3 ± 1.9% i 72 soat ichida harakatsiz holatga keltirilgan. Tadqiqot natijalarida o‘simlikning faqat poya qismidan olingan izolyat yuqori samaradorlik ko‘rsatgan. Poya to‘qimalarida yashovchi endofitlar ko‘pincha stress omillariga chidamli va biologik faol moddalarga boy bo‘lishi ushbu ishda o‘z isbotini topdi.References
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Copyright (c) 2026 Ilhom o'g'li Muhammedov Iqboljon, Saytkamolovich Kambarov Sardorbek, Maxliyo Azizbek Abduvahopova, Shaxriyor G'ayratbek o'g'li Jo'raboyev, Sardorbek Baxtiyorjon o’g’li Muxamadjonov (Author)