Регулирование численности хлопковой совки на томатных агробиоценозах
Abstract
Tadqiqotlar uch guruhga bo’lingan va har bir guruh uchun alohida tadqiqot ob’yektlari ajratilgan. Tadqiqotlarda Trichogramma pintoi ning pomidordagi g‘o‘za qurtiga qarshi biologik samaradorligi o‘rganib chiqildi. Trichogramma pintoi ishlatiladigan zararkunandalarga qarshi biologik kurash uchun birinchi variantda zararkunandaning ikkinchi avlodiga chiqarilgandan keyin Trichogramma pintoi biologik samaradorligi 81,4%, ikkinchisida 84,6% ni tashkil qiladi. Zararkunandaning ikkinchi avlodi uchun birinchi variantda - 81,4%, ikkinchisida - 84,6%. Uchinchi avlod uchun chiqarilgandan keyin birinchi variantda - 86,1%, ikkinchisida - 89,4%.
Keywords: agrobiotsenoz, pomidor, g’o’za qurti, parazitlar, Trixogramma pintoi, biologik samaradorlik, avlodlar
Аннотация
Tadqiqotlar uch guruhga bo’lingan va har bir guruh uchun alohida tadqiqot ob’yektlari ajratilgan. Tadqiqotlarda Trichogramma pintoi ning pomidordagi g‘o‘za qurtiga qarshi biologik samaradorligi o‘rganib chiqildi. Trichogramma pintoi ishlatiladigan zararkunandalarga qarshi biologik kurash uchun birinchi variantda zararkunandaning ikkinchi avlodiga chiqarilgandan keyin Trichogramma pintoi biologik samaradorligi 81,4%, ikkinchisida 84,6% ni tashkil qiladi. Zararkunandaning ikkinchi avlodi uchun birinchi variantda - 81,4%, ikkinchisida - 84,6%. Uchinchi avlod uchun chiqarilgandan keyin birinchi variantda - 86,1%, ikkinchisida - 89,4%.
Ключевые слова: agrobiotsenoz, pomidor, g’o’za qurti, parazitlar, Trixogramma pintoi, biologik samaradorlik, avlodlar
Abstract
The research was divided into three groups, individual objects study were allocated to each group. The research studied the biological effectiveness with Trichogramma pintoi against cotton bollworm on the tomato. In biolog- ical pest control where the use of Trichogramma pintoi, biological efficiency of Trichogramma pintoi after the release of the second generation of the pest in the first variant - 81.4%, in the second - 84.6%. In the second generation of the pest in the first variant - 81.4%, in the second - 84.6%, after the release of the third generation of the pest in the first variant -. 86.1% in the second - 89.4%.