Rice blast, sheath blight, rice smut uye white leaf blight zvirwere zvina zvikuru zvemupunga.
–Rice blastchirwere
1, Szviratidzo
(1) Pashure pokunge hosha yacho yaitika pamadzinde emupunga, hwaro hwembeu dzine chirwere hunova grey nedema, uye chikamu chepamusoro chinova cheshava uye chinokunguruka chofa.Panyaya yehunyoro hwepamusoro, nhamba huru yegrey uye black mildew layers ichaonekwa mudhipatimendi rechirwere.
(2) Mushure mekunge chirwere ichi chaitika pamashizha emupunga, makwapa madiki madiki akasvibira achaonekwa pamashizha, uye zvishoma nezvishoma anowedzera kuva mapidhi.Pakati pemakwapa ipfumbu, mipendero ishava, uye kunze kune yakachenuruka yero halo.Panyaya yekunyorova, kune grey mold layers kumashure kwemashizha.
2. Nzira yekudzivirira uye kurapa
Panguva yekutanga hutachiona, Kusanganisa Tricyclazole 450-500g yakadiridzwa nemvura 450L pahekita, kumwaya .
–Sheat blightchirwere
1, Szviratidzo
(1) Mushure mehutachiona hwemashizha, pachava ne moire mavara, micheto ye yellowing, kana kukurumidza kwekutanga kunokurumidza, ipapo mavara ane tsvina yakasvibirira uye mashizha achakurumidza kuora.
(2) Kana mutsipa wenzeve wakuvadzwa, inoshanduka yakasvibira yakasvibirira, uye ipapo grey-brown, uye haigone kuenda, uye goko rezviyo rinowedzera, uye uremu hwechuru hwezviyo hunodonha.
2. Nzira yekudzivirira uye kurapa
(1) Kazhinji, Hexaconazole, Tebuconazole inogona kushandiswa kudzivirira sheath blight.
(2) Kutarisira kwekurima kunofanira kusimbiswa panguva dzakajairika.Tekinoroji yefetereza yakagadziridzwa inofanira kugamuchirwa, ine fetireza yakakwana yepasi, yekutanga kumusoro, isina nitrogen fetiraiza uye inonzwisisika kuwedzera kwe phosphorus ne potassium fetiraiza, kuitira kuderedza chirwere.
-Rice smut chirwere
1, Szviratidzo
(1) Chirwere cheRice smut chinowanzoitika chete mukutanga, izvo zvinokuvadza chikamu chezviyo.Muzviyo zvakakanganiswa, mycelium blocks inoumba uye zvishoma nezvishoma inowedzera, uye ipapo glume yemukati nekunze ichatsemuka, ichiratidza mabhenekeri eyero, anoti sporophyte.
(2) uye wobva waputirwa mativi ese emukati nekunze, ruvara rwakasvibira mutema, padanho rekutanga, kunze kwakaputirwa nejira refirimu, ndokuzotsemuka nekuparadzira rima rakasvibira poda.
2. Nzira yekudzivirira uye kurapa
Inogona kushandisa 5% Jinggangmycin SL 1-1.5L kusanganisa ne450L mvura pahekita.
-Wchirwere chemashizhachirwere
1, Szviratidzo
1 mashizha, haaparadzi kune chirimwa chose.
(2) Kune etiolated white leaf blight, padanho rekutanga rechirwere, mashizha ane chirwere haafe, asi kazhinji anogona kupepetwa kana kuita zvishoma, aine makwapa echlorotic asina kujairika paari, obva akura kuita yero kana makwapa makuru.
2. Nzira yekudzivirira uye kurapa
(1) Inogona kushandisa Matrine 0.5% SL, kusanganisa 0.8-1L nemvura 450L, kumwaya .
Nguva yekutumira: Oct-10-2022
