URUG‘ MEVALI BOG‘LARIDA ODDIY O‘RGIMCHAKKANAGA (TETRANYCHUS URTICAE KOCH) QARSHI YANGI MIKROBIOLOGIK PREPARATNING BIOLOGIK SAMARADORLIGI
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Maqolada mikrobiologik preparatlar Bioslip BV (Beauveria bassiana) 3,0 l/ga sa’rf meyorida urug‘mevali bog‘larda uchrab zarar
keltiradigan o‘rgimchakkanlarga kuchli ta’sir ko‘rsatuvchi mikrobiologik preparat ekanligi aniqlangan. Mikrobiologik
preparatlarning ta’sirini uchinchi-yettinchi va o‘n to‘rtinchi-yegirma birinchi kunda eng yuqori biologik samaradorlikga erishish
mumkin. Tajriba uchun olingan Bioslip BV (Beauveria bassiana) 3,0 l/ga preparati hamda Bioslip BT (Bacillus thuringiensis)
kuk. (1 g dagi toksin kristallari) (1,0 l/ga) preparatlari qo‘llanilgan 3-kundan boshlab tahlil qilindi. Olib borilgan tadqiqotlar
natijasiga ko‘ra, Bioslip BV (Beauveria bassiana) 3,0 l/ga preparati qo‘llanilgan variantda biologik samaradorlik preparat
qo‘llanilgandan keyingi 3-kuni 44,2 %, 7-kuni 72,3 %, 14-kuni 73,9 %, 21-kuni esa 60,2 %ni tashkil etgan. Bioslip BT
mikrobiologik preparat esa (Bacillus thuringiensis) kuk. (1 g dagi toksin kristallari) (1,0 l/ga) ishlov berilgan keyingi 3-kuni 86,7
%, 7-kuni 85,8 %, 14-kuni 88,9 %, 21-kuni esa 87,5 %ni tashkil etgan.
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