Plant Pathology Basics
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Questions and Answers

Kartoshka hosili ikki va undan ko’p marotaba qaysi kasallik sababli kamayishi mumkin?

  • Zang kasalligi
  • Fitoftoroz (correct)
  • Virusli va yuqumli kasalliklar
  • Fuzarioz

Zang kasalliklari taʼsirida bug’doy va boshqa donli ekinlarning hosili ko’pincha necha % nobud bo’lmoqda?

  • 30-40% (correct)
  • 60-70%
  • 70-85%
  • 90-100%

Patogenning zararlilik belgilaridan biri –

  • kasallikni yuzaga chiqishi (correct)
  • mahsulot sifatini oshirish
  • o’simlikni himoyalash
  • mahsulot sifatini pasaytirishi

M.S.Voroninning qanday tadqiqoti fitopatologiyaning rivojlanishida muhim ahamiyatga egadir?

<p>patogenlar ayrim ekologik guruhlarning zichligini boshqarish (A)</p> Signup and view all the answers

Sklerotinioz qo’zg’atuvchisini ko’rsating?

<p>Sklerotinioz sinfiga mansub bir xo’jayinli zamburug’ (B)</p> Signup and view all the answers

Fitopatologiya da qanday vazifa bajariladi?

<p>Qishloq xo’jaligiga fitopotogen organizm tominidan yetakazadigan talofatlarni kamaytirish yo’llarini izlab topish (A)</p> Signup and view all the answers

Etiologiya nima bilan shug'ullanadi?

<p>Kasallik sabablarini o`rganuvchi fan (B)</p> Signup and view all the answers

Fitoimmunologiya vazifasi qanday?

<p>O’simliklarning kasalliklarga chidamliligi to’g’risidagi ta’limot (C)</p> Signup and view all the answers

Epifitotiologiya qaysi vazifani bajaradi?

<p>Kasalliklarning paydo bo’lish qonuniyatlarini hamda ularning yalpi rivojlanish sabablarini tadqiq qiladi (C)</p> Signup and view all the answers

Qaysi fanni fitopatologiyaning poydevori deyish mumkin?

<p>Fitopotogen organizm tominidan yetakazadigan talofatlarni kamaytirish yo’llarini izlab topish (C)</p> Signup and view all the answers

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