Qarshi muhandislik-iqtisodiyot instituti texnologiya fakulteti

Topshiriqni bajarish tartibi :
Kasallangan tugunak shaklini chizing (yassi, 
bo‘rtiq) 

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III.
Mustaqil tayyorlanish uchun savollar
. 
1.
Kartoshkaning quruq chirish, xalqali chirish, ho‘l bakteriyali chirish 
kasalliklari to‘g‘risida malumot bering.
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2.
Quruq chirish kasalligining saqlash davrida tugunakdan tugunakka 
o‘tish yani tarqalish mexanizmini ayting.? 
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3.
Quruq chirish kasalligga qarshi kurashish qaysi tartibda kechadi ? 
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4.
Xalqali chirishni qaysi mikroorganizm keltirib chiqaradi ? 
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5.
Naysimon xalqaning zararlanishi va chuqurchali chirishning farqli 
tomonlarini o‘rganing
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6.Bakteriya haroratning qaysi oraliqlarida yoppasiga yuqadi va tarqaladi ? 
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7.Ho‘l bakteriyali chirish belgilarini ayting ? 
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8.Kartoshka kasalliklariga qarshi kurashish choralarini ayting 
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