Gehun mein mahu (aphid) ka ilaj
Baali aur upar ki patti par hare-kaale barik keet jhund mein — aur patti chipchipi.
Mahu gehun ki baali aur upar ki pattiyon par jhund mein baith kar ras choosta hai. Uska chipchipa madhu-ras patti par girta hai aur uspar kaali fungus jam jati hai, jisse patti ka kaam ruk jata hai. Sabse zyada nuksan baali nikalne se daana bharne tak hota hai. Ilaj: Atom Bomb, Shield ya Takila ka chhidkav.
Kaise pehchane
Baali par barik keet
Baali aur upar ki patti par hare, bhoore ya kaale barik keet jhund mein baithe milte hain.
Chipchipi patti
Patti par haath lagane se chipchipa madhu-ras haath mein lagta hai.
Kaali fungus
Madhu-ras ke upar kaali sooty mould jam jati hai aur patti kaali dikhne lagti hai.
Ladybird aur chiuntiyan
Mahu ke jhund ke paas ladybird beetle aur chiuntiyan dikhti hain — jhund badne ki nishani.
Hamla kab tez hota hai
Mahu ka hamla January ke baad, mausam garm hone par tezi se badhta hai. Hafte mein ek baar baali palat kar dekhna — hamla chhota rehte hue pakadne ka sabse sasta tareeka hai.
Kya nuksan hota hai
Baali se ras choose jane se daana chhota aur halka reh jata hai. Nuksan tulai ke waqt dikhta hai — baali bhari lagti hai lekin wazan kam nikalta hai.
Kaali fungus se patti ka dhoop se khana banana ruk jata hai, jisse daana bharne ki poori prakriya kamzor pad jati hai.
Mahu ka upchar
Mahu ras choosne wala keet hai aur baali ke daanon ke beech chhip kar baithta hai. Systemic dawa paudhe ke andar jaakar ras ke saath keet tak pahunchti hai, isliye chhipe hue jhund par bhi asar karti hai.
Dhyan dein: mahu ke dushman keet — ladybird beetle aur syrphid makkhi — khet mein apne aap hamla kaabu karte hain. Halka hamla dikhne par turant chhidkav se yeh dost keet mar jate hain aur mahu baad mein aur tezi se badhta hai. Chhidkav tabhi karein jab jhund saaf taur par badh raha ho.
Gehun: buwai se katai tak
Gehun ki poori fasal ek scroll mein dekhiye — buwai se daana bharne tak, har avastha par kya hota hai aur kab dhyan dena hai.
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