Gehun mein peela ratua ka ilaj
Patti par peeli dhaari, aur ungli chhune par peela powder — yeh ratua hai, poshan ki kami nahi.
Peela ratua ek fungus rog hai. Patti par kataar mein peele, powder jaise dhabbe banti hain, aur ungli lagane par peela powder kapde aur haath par lag jata hai — yahi ise poshan ki kami se alag pehchanne ka pakka tareeka hai. Yeh thanda aur nam mausam mein tezi se failta hai. Ilaj: pehla dhabba dikhte hi Azoto Prime ya Samurai ka chhidkav.
Kaise pehchane
Peeli dhaari kataar mein
Patti par nas ke saath-saath kataar mein peele, ubhre hue dhabbe banti hain.
Haath par peela powder
Patti par ungli rakhiye — peela powder haath ya kapde par lag jata hai. Poshan ki kami mein aisa nahi hota.
Nichli patti se shuruaat
Rog pehle nichli pattiyon par aata hai, phir upar ki patti aur baali tak badhta hai.
Khet mein dhabbon mein failna
Hamla ek jagah se gol dhabbe ki tarah shuru hokar hawa ke rukh mein phailta hai.
Hamla kab tez hota hai
Rog ko 10–20°C ka thanda, nam mausam chahiye. December se February ke kohre wale daur mein yeh sabse tez hota hai — isi samay hafte mein ek baar khet ka chakkar sabse zaroori hai.
Kya nuksan hota hai
Patti ka hara hissa fungus le leta hai, isliye paudha dhoop se khana nahi bana pata. Daana chhota, sikuda aur halka reh jata hai.
Rog samay par na roka jaye to poore khet mein phail kar bhaari nuksan karta hai — peela ratua gehun ka sabse tezi se failne wala rog hai. Isliye pehla dhabba dikhte hi kaam karna hota hai.
Bachav aur upchar
Ratue mein sabse bada faisla samay ka hai. Pehla dhabba dikhte hi chhidkav karne se rog wahin ruk jata hai; do hafte ruk jane par poora khet chapet mein aa jata hai. Dawa naye sankraman ko rokti hai — sookh chuki patti wapas hari nahi hoti.
Dhyan dein: peeli patti hamesha ratua nahi hoti — nitrogen ki kami mein bhi patti peeli padti hai, lekin usme powder nahi hota. Pehle ungli se jaanch karein, phir dawa chunein. Aage ke saalon ke liye pratirodhi kism lagayein aur zaroorat se zyada nitrogen na dein — ghani, gehri hari fasal mein ratua sabse tez failta hai.
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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