Dhan mein jhonka (blast) ka ilaj
Patti par aankh jaisa dhabba — aur baali ki gardan kaali pad kar toot jaye.
Jhonka ek fungus rog hai. Patti par beech se safed-bhoora aur kinare se gehra bhoora, aankh ya naav jaisa dhabba banta hai. Aage badhne par baali ki gardan kaali pad jati hai aur baali jhuk kar safed nikal aati hai — neck blast. Bachav: Samurai aur Azoto Prime, dhabba dikhte hi.
Kaise pehchane
Aankh jaisa dhabba
Patti par beech se safed-bhoora, kinare se gehra bhoora dhabba — donon sire nukeele.
Dhabbe milkar jalan
Dhabbe bade hokar mil jate hain aur patti jali hui dikhne lagti hai.
Gardan kaali
Baali ke niche ki gardan kaali-bhoori pad jati hai aur wahan se baali jhuk jati hai.
Safed khali baali
Gardan kaali padne ke baad poori baali safed aur khali reh jati hai.
Rog kab badhta hai
Rog ko lambi ose aur thandi raat sabse zyada badhati hai. Nursery mein aur baali nikalne se pehle ke hafte — ye do daur sabse nazuk hain, aur inhi par faisla lena hota hai.
Kya nuksan hota hai
Patti ke dhabbe se paudhe ka khana banana ghat jata hai, jisse kalle kamzor rehte hain.
Neck blast mein poori baali khali reh jati hai. Ek khet mein rog do-teen din mein tez fail sakta hai, isliye der bahut mehngi padti hai.
Jhonka ka upchar
Fungicide bachav ka kaam karta hai — woh naye dhabbe rokta hai. Isliye chhidkav pehla dhabba dikhne par, aur baali nikalne se pehle karna hota hai.
Saaf baat: jo baali gardan se kaali pad kar safed ho chuki hai, woh kisi bhi dawa se wapas nahi aati — chhidkav baaki fasal bachata hai. Nitrogen ek saath zyada dena is rog ko sabse zyada badhata hai; use thoda-thoda baant kar dein aur khet mein hawa chalne ki jagah rakhein.
Dhan: nursery se katai tak
Dhan ki poori fasal ek scroll mein dekhiye — nursery se daana bharne tak, har avastha par kya hota hai aur kab dhyan dena hai.
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