Issiqxonada yetishtirishga mos qovun duragaylarining un shudring kasalilgiga chidamliligini aniqlash
Jild 5 son 27 (2026) 75-77
Annotatsiya
Un shudring qovuning eng katta zarar yetqazadigan kasalliklaridan biri hisoblanadi. U asosan namlik va issiqlik miqdori ko’p bo’lgan joylarda keng rivojlanib tarqaladi. Tadqiqot natijalariga ko‘ra, duragay kombinatsiyalarida kasallik bilan zararlanish darajasi 0,66–1,99 ball, kasallikning tarqalishi esa 10–50% oralig‘ida o‘zgargan. Eng yuqori chidamlilik F₁ Zarhal × L-22-17, F₁ Zarhal × L-22-20, F₁ Zarhal × L-9, F₁ Ananas × L-22-20, F₁ Ananas × L-9, F₁ Galiya × L-22-20 hamda F₁ L-9 × L-22-17 kombinatsiyalarida qayd etilib, ularda zararlanish darajasi 0,66 ball va kasallikning tarqalishi 10% ni tashkil etdi. Mazkur ko‘rsatkichlar standart Rohat naviga nisbatan yuqori chidamlilikni namoyon etdi. Aniqlangan istiqbolli duragay kombinatsiyalar un shudring kasalligiga chidamli, issiqxona sharoitiga mos yangi qovun nav va duragaylarini yaratishda qimmatli seleksiya materiali sifatida tavsiya etildi.
Kalit soʻzlar:
Iqtiboslar
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