
Hozirgi kunda boshoqli don ekinlariga 50 dan ortiq turli xil zararkunanda hasharotlar zarar yetkazayotgani aniqlangan bo‘lib, Zararli xasva bug‘doy dalalarida keng tarqalib, don hosildorligiga va uning sifatiga katta zarar yetkazuvchi zararkunandalardan biridir. Ushbu maqolada zararli xasvaga chidamli navlarni tanlash va baholash bo‘yicha tadqiqot ishlari yoritilgan. Buning uchun ma’lum chegaralangan maydonga Respublikada rayonlashgan 20 ta va Qozog‘iston seleksiyasiga mansub 23 ta bug‘doy nav na’munalari uch qaytariqda ekilib, har bir nav (1m2) maxsus mato bilan o‘ralgan va zararli xasva hasharotlari sun’iy qo‘yilgan. Bu navlarning hosildorlikni ta’minlovchi miqdoriy belgilari tahlil qilingan.
Yumshoq bug'doy, nav, zararli xasva, chidamlilik, agrotexnik, nonboplik, bir boshoqdagi don soni, don og'irligi.
Yumshoq bug'doy, nav, zararli xasva, chidamlilik, agrotexnik, nonboplik, bir boshoqdagi don soni, don og'irligi.
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