Zvipembenene zvinowanzoonekwa muminda yenzungu ndeizvi: mavanga emashizha, kuora kwemidzi, kuora kwetsinde, aphids, donje rebollworm, zvipembenene zvepasi pevhu, nezvimwewo.
Hurongwa hwekusakura nzungu mumunda:
Kusakura nzungu mumunda kunotsigira kurapwa kwevhu mushure mekudyara uye tisati tadyara mbeu. Tinogona kusarudza 0.8-1L 960 g/L Metolachlor EC pahekita,
kana 2-2.5L 330 g/L Pendimethalin EC pahekita nezvimwe.
Mishonga yesora iri pamusoro inofanira kupfapfaidzwa zvakaenzana pasi mushure mekunge nzungu dzadyarwa uye dzisati dzamera, uye nzungu dzinofanira kufukidzwa nejira rekupomba mushure mekuiswa.
Pakurapa hunde nemashizha mushure mekumera, 300-375 ml pahekita ye15% Quizalofop-ethyl EC, kana 300-450 ml pahekita ye108 g/L Haloxyfop-P-ethyl EC inogona kushandiswa padanho remashizha matatu kusvika mashanu remasora euswa;
Munguva yemashizha maviri kusvika mana ehuswa, 300-450 ml pahekita imwe neimwe ye10% Oxyfluorfen EC inogona kushandiswa kupfapfaidza pamadzinde emvura nemashizha.
Hurongwa hwakabatanidzwa hwekudzora mwaka wekurima
1. Nguva yekudyara
Nguva yekudyara inguva yakakosha yekudzora zvipembenene nezvirwere zvakasiyana-siyana zvinobudirira. Dambudziko guru riri pakurapa nekudzivirira mbeu, zvakakosha zvikuru kusarudza mishonga yezvipembenene inoshanda zvakanyanya, isina chepfu shoma, uye inogara kwenguva refu kudzora zvirwere zvemidzi nezvipembenene zvepasi pevhu.
Tinogona kusarudza 22% Thiamethoxam+2% Metalaxyl-M+ 1% Fludioxonil FS 500-700ml inosanganiswa nembeu dze100kg.
Kana 3% Difenoconazole+32% Thiamethoxam+3% Fludioxonil FS 300-400ml uchisanganisa nembeu dze100kgs.
Munzvimbo dzine zvipembenene zvepasi pevhu zvakanyanya, tinogona kusarudza 0.2%
Clothianidin GR 7.5-12.5kg. Isai nzungu musati madyara, mozodyara mushure mekukwesha ivhu zvakaenzana.
Kana 3% Phoxim GR 6-8kg, uchiisa panguva yekudyara.
Mbeu dzakapfekwa kana kuputirwa dzinofanira kudyarwa mushure mekuomesa ganda rembeu, zviri nani mukati memaawa makumi maviri nemana.
2. Munguva yeKumera kusvika Kutumbuka
Munguva iyi, zvirwere zvikuru ndezvekuti pane mavanga emashizha, kuora kwemidzi uye chirwere chekuora kwemidzi. Tinogona kusarudza 750-1000ml pahekita ye8% Tebuconazole +22% Carbendazim SC, kana 500-750ml pahekita ye12.5% Azoxystrobin +20% Difenoconazole SC, tichipfapfaidza panguva yekutanga kwechirwere.
Munguva iyi, zvipembenene zvikuru iAphis, Cotton bollworm uye zvipembenene zvepasi pevhu.
Kuti tirwise honye dzedonje nedonje, tinogona kusarudza 300-375ml pahekita imwe neimwe ye2.5% Deltamethrin EC, tichipfapfaidza panguva yekutanga kweAphis uye padanho rechitatu rekutanga kwedonje.
Kuti tidzivise zvipembenene zvepasi pevhu, tinogona kusarudza 1-1.5kg ye15%Chlorpyrifos GR kana 1.5-2kg ye1% Amamectin +2% Imidacloprid GR, inopararira.
3. Nguva yekukohwa kusvika pakuibva kwemichero yakazara
Kushandiswa kwemishonga yakasiyana-siyana (mushonga wezvipembenene + mushonga wefungi + mushonga wekukura kwezvirimwa) kunokurudzirwa panguva yekuisa nzungu, izvo zvinogona kudzora zvirwere zvakasiyana-siyana nezvipembenene pakati nepakati penguva yekupedzisira, zvichidzivirira kukura kwakajairika kwemashizha enzungu, kudzivirira kukwegura nguva isati yakwana, uye kuwedzera kukura kwayo.
Munguva iyi, zvirwere zvikuru itsvina yemashizha, kuora kwemashizha, chirwere chengura, uye zvipembenene zvikuru idonje rebollworm uye aphis.
Tinogona kusarudza 300-375ml pahekita ye2.5% Deltamethrin + 600-700ml pahekita ye18% Tebucanozole + 9% Thifluzamide SC+ 150-180ml ye0.01% Brassinolide SL, Spraying.
Nguva yekutumira: Chivabvu-23-2022
