Qarshi muhandislik-iqtisodiyot instituti texnologiya fakulteti

37-rasm. Oraliq rivojlanish davrini sutlama o‘simligida o‘tishi 
Don dukkakli ekinlarning zang kasalligiga qarshi kurash choralari: 
•
Almashlab ekishni joriy etish.
•
O‘simlik qoldiqlari va begona o‘tlarni yo‘qotish. 
•
Gullash fazasiga qarish davrida 1% li bordo suyuqligi yoki oltingugurt 
kolloidi bilan ishlov berish.
•
Yoppasiga kasallanganda bayleton zaharining yoki tilning mos holda 0,03% 
va 0,02 % eritmasini sepish.
Mustaqil tayyorlanish uchun savollar: 
1.No‘xat askoxitozining qaysi sinfga mansubligi, kasallangan o‘simlikda 
yuzaga chiqadigan belgilarini ayting. 
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2. Kasallikning o‘simlik qoldig‘i va urug‘da saqlanishiga moslashganlik 
asoslarini ko‘rsating. 
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3. Qarshi kurashish usullarini yoriting. 

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4. Kasallik qo’zg‘otuvchisi no‘xatdan tashqari qaysi ekin turida qishlaydi.
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