MAIZE STREAK VIRUS
MSV: Cadowga Galleyda Afrika
🔍 Waa maxay MSV?
Maize Streak Virus (MSV) waa fayras ay keento bahda *Geminiviridae*. Wuxuu keenaa khadad dhuudhuuban oo jaalle ama caddaan ah oo raacaya xididdada caleenta galleyda, taas oo horseedda in geedku daciifo oo uusan soo saarin wax galley ah (cob).
1. Aqoonsiga Calaamadaha
Calaamaduhu waxay ku bilowdaan dhibco yaryar oo mark dambe isku beddela khadad dhaadheer:
- **Linear Streaks:** Khadad dhuudhuuban, jaalle ah, oo u socda dhererka caleenta (longitudinal).
- **Stunting:** Haddii fayrasku ku dhaco geedka isagoo yar, geedku wuxuu noqonayaa mid gaaban oo aan weynaan.
- **Leaf Death:** Caleemaha si xun u bukay waxay noqon karaan kuwo qallala oo gubta.
- **Poor Ear Development:** Geedka jirran badanaa ma soo saaro xasiid (cob), ama wuxuu soo saaraa mid aad u yar oo aan abuur lahayn.
2. Sidee u faafaa? (Leafhoppers)
MSV ma aha mid ku faafa taabashada ama iniinyada. Wuxuu u baahan yahay cayayaan qaada:
Cayayaanka loo yaqaan **Leafhopper** (*Cicadulina mbila*) ayaa ah kan ugu weyn ee fayraska qaada. Cayayaankani wuxuu fayraska ka qaadaa cowska duurka ama galleyda jirran, wuxuuna ku duraa galleyda caafimaadka qaba isagoo dhuuqaya dheecaanka.
⚠️ Hal cayayaan oo leafhopper ah ayaa ku filan inuu fayraska qaadsiiyo geed dhan muddo saacado gudahood ah.
3. Xakamaynta iyo Maareynta
XUSUUS: Ma jirto daawo lagu buufiyo geedka marka uu fayrasku galo.
Tallaabooyinka badbaadada:
- **Resistant Varieties:** Beero noocyada galleyda ee loo habeeyay inay u adkaystaan Streak (Resistant Hybrids). Kani waa habka ugu raqiisan uguna waxtarka badan.
- **Seed Treatment:** Isticmaal iniinyo lagu soo daaweeyay sunta cayayaanka disha (systemic insecticides) si looga hortago leafhoppers-ka bilowga hore.
- **Planting Date:** Isku day inaad galleyda wada beerato bilowga roobka; galleyda dambe ee beerta ku harta ayaa inta badan u nugul cudurka.
- **Weed Control:** Nadiifi cowska hareeraha beerta, waayo fayrasku wuxuu ku dhex noolaan karaa cowska inta u dhaxaysa labada xilli-beereed.
DHAMAAD
Diyaariye: Elmi24academy