Qarshi muhandislik-iqtisodiyot instituti texnologiya fakulteti

Ho’l chirish – Pectobacterium, Psedomanas xanthochlora (Sch) . 
Bu 
kasallikning xarakterli belgisi suvli namdog‘larning paydo bo‘lishi hisoblanib, 
keyinchalik to‘qima yumshab qoladi va tugunak qo‘lansa hidli shilimshiq uyumga 
aylanadi. Nam chirish ko‘pincha mahsulot saqlashning dastlabki kuzgi qishki 
davrida kuzatilib, u birinchi navbatda fitoftora bilan zararlangan tugunaklarda 
rivojlanadi. 
49 - rasm. Sabzining quruq chirish kasalligi. 
Bu kasallanishida ildizmevaning asosan tepa qismi, kamdan-kam yon va pastki 
uchi chiriy boshlaydi. Bunda quruq qora botiq dog‘lar paydo bo‘ladi, to‘qima 
qorayadi, dastlab och kulrang keyin esa to‘q tusli g‘ubor bilan qoplanadi. Sabzining 
quruq chirish kasalligi urug‘lik sabzi uchun katta xavf tug‘diradi. Omborlarga 
kasallik zararlangan ildizmevalar orqali tarqaladi.
Mustaqil tayyorlanish uchun savollar
: 
Quruq chirish kasalligini qaysi mikroorganizm yuzaga chiqaradi ? 
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~ 120 ~ 
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Quruq chirish kasalligini tashqi ko‘rinishiga tarif bering 
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Saqlash davri kasalliklari qaysi omillar ishtirokida yuzaga chiqadi ? 
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Saqlash davri kasalliklari tarqalishining oldini olish tadbirlari 
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Saqlash davri kasalliklarini bartaraf etish usullari 
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