Qarshi muhandislik-iqtisodiyot instituti texnologiya fakulteti

 
17 -rasm. Fitonomus 
 
 
 
 
 

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~ 44 ~ 
Mustaqil tayyorlanish uchun savollar: 
Ko‘sak qurti kuzgi tunlam g‘alla-don ekinlari va makkajo‘xoriga zarar 
yetkazadimi?________________________________________________________
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Qaysi hashorotlar g‘alla-don ekinlarini so‘rib zarar etkazadi? 
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Qaysi hashorotlar g‘alla-don ekinlarini kemirib zararlaydi?
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Don kuyasi va un kanasi qayerlarda uchraydi ? 
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Topshiriqni bajarish tartibi: 
1.
Kuzgi tunlam zararlangan bug‘doy ildiz bo‘g‘zini ko‘zdan kechirib 
zararlash tipiga baho bering.
2.
Saqlashga qo‘yilgan donning zararlangan namunalarini ko‘zdan kechiring. 
Zararkunanda rasmini chizing.