Umumiy biologiya

Tadqiqot natijalari.

Tajribalar Xorazim viloyati Bog’ot tumanida joylashgan “Dildora Jonibek” sabzavodchilika ixtisoslashgan ferma ho’jaligida 2010-2011 yillarda olib borildi. Tajribalarda Bacillus thuringiensis guruhi bakteriyalarini shtammlaridan olingan lipidatsid 1500 EA/g preparatining 40 mlrd/g sporali suyuq farkeasini pomidor tangacha qanotli zararkunandalaridan hisoblangan kuzgi tunlam (scotya segetum schett) va g’o’za tunlamiga qarshi foydalanildi.

Tajribalar pomidor dalasida kuzgi tunlam va g’o’za tunlami bilan zararlanishini may iyun oylarida dastlab kuzatilgandan keyin 1 gektar yerdagi daladan kanvert usulida pomidor o’simligi namunalari kuzatildi. Kuzatishlarda 1 gektar maydonda 18-20 ta kuzgi tunlam va g’o’za tunlami lichinkalari kuzatilsa, pomidor dalasi zararlangan deb xulosa qilinib, lipidatsid preparati bilan ishlov berildi. Ishlov berish ishlari O.I – 400-5 markali purkagichda 1 gektarga 200 l suspenziya 1; 1,5; va 2,0 l/g qilib tayyorlanib sepildi. Tajribalar asosan 100 m uzunlikda, eni 1 m li maydonchalarda 3 ta takrorlanish va 1 ta nazorat maydonchasida olib borildi. Nazorat maydonchasiga oddiy suv sepildi. Tajribalar 3 maydongacha Bacillus thuriengiesis bakteriyasi shtammlarida tayyorlangan lipidatsit preparat sepib, olib borildi va 5, 11, 15 kunlardan keyin natijalar o’rganilganda 5 kunda 66,3; 68,2; 72,2%, 11 kunda 76,7; 82 va 85,3%bo’lgani hamda 15 kunda keyingi kuzatishlarda esa lepidatsid miqdoriga mos ravishda 83,4; 85,3 va 86,2%bo’lgani kuzatildi va natija birinchi jadvalda keltirildi

Preparat.	Ishlatilgan preparat	Biologic samaradorlik hisobga olingan kun (%)
		5	11	15
Lepidatsid 40 mlrd/g spora	1,0	66,3	76,2	83,4
Lepidatsid 40 mlrd/g spora	1,5	68,2	82,0	85,3
Lepidatsid 40 mlrd/g spora	2,0	72,2	85,3	86,2
Control.	Suv

Xulosa.

Pomidor zararkunandalariga qarshi kurashda bakteriyali preparatlardan foydalanish usullarini umumiy o’rganib, quyidagi xulosaga kelishimiz mumkin.

1. 
   Xorazim viloyatida pomidorning volgagrat 5, volgagrat 95, Taloxin, Yusupov, O’zbekiston 178 navlari yetishtiriladi.
   
2. 
   Bu navdagi pomidor o’simligiga zararkunandalardan tangachaqanotlilar (Lepidoptera), to’g’riqanotlilar (orthoptera), teng qanotlilar (isopteran) va boshqalar zarar keltiradi.
   
3. 
   Tangacha qanotlilardan g’o’za tunlami va kuzgi tunlam lichinkalari 1 gektar pomidorda 18-20 ta uchrasa, pomidor dalasi zararlangan hisoblanadi va biologic preparatlardan sanalgan lepidatsid sepiladi.
   
4. 
   Lepidatsid preparatini gektariga 2 l/ga ishlatilganda 86,2% zararkunandalarni nobud qiladi.
   

Foydalanilgan adabiyotlar.

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17. 
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21. 
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22. 
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33. 
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40. 
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Mundarija

Kirish ……………………………………………………………………6

1. 
   Adabiyotlar sharxi………………………………………….…9
   
2. 
   Tadqiqot uslubi va materiallari …………………….…11
   
3. 
   Asosiy qisim. Pomidor biologiyasi………………….…13
   
4. 
   Pomidorda uchraydigan zararkunandalar………...16
   
5. 
   Tadqiqot natijalari…………………………………………….26
   
6. 
   Xulosa……………………………………………………………….28
   
7. 
   Foydalanilgan adabiyotlar…………………………………29