Yog vim li cas dos tig daj thiab qhuav?

1. Cov kab mob fungal

(1) feem ntau suav nrog grey pwm, downy mildew thiab liab doog.

(2) Kev tiv thaiv thiab tswj cov ntsiab lus: xaiv cov kab mob tiv taus thiab xaiv cov nroj tsuag tsis muaj kab mob; Kev kho cov noob ua ntej sowing, soak cov noob hauv dej sov rau 30 feeb; Tsis txhob cog qoob loo rau ntau tshaj 2 xyoos; Txhim kho cov chiv thiab kev tswj dej, xyuam xim rau kev tshem tawm cov kab mob seem; Thaum pib ntawm tus kab mob, tshuaj tsuag ib zaug txhua 7 mus rau 10 hnub, 77.2 feem pua ​​​​ntawm cov kab mob downy mildew tuaj yeem xaiv 800 npaug ntawm cov kua, 64 feem pua ​​​​ntawm cov kab mob alum wettable hmoov 500 npaug ntawm cov kua, 80 feem pua ​​​​ntawm Zhuanshengwettable hmoov 500 npaug ntawm cov kua; Grey pwm tuaj yeem xaiv 50 feem pua ​​​​sukline wettable hmoov 1500 ~ 2000 zaug ua kua, 50 feem pua ​​​​prohyline wettable hmoov 1500 ~ 2000 zaug ua kua; Cov kab mob ntshav liab tuaj yeem xaiv tau 64 feem pua ​​​​ntawm cov kab mob alum wettable hmoov 500 zaug ua kua lossis 50 feem pua ​​​​prohydne wettable hmoov 1500 zaug ua kua.

2, kab mob kab mob (1) feem ntau dos mos rot. (2) Kev tiv thaiv thiab tswj cov ntsiab lus: zam kev cog qoob loo tsis tu ncua, xyuam xim rau kev tshem tawm cov kab tsuag hauv av; Tsis txhob kis mus rau lub plawv nplooj thaum topdressing; Tsis txhob dej nyab thaum ywg dej; 72 feem pua ​​​​kev ua liaj ua teb streptomycin soluble hmoov 3000 npaug ntawm cov tshuaj los yog 58 feem pua ​​​​risone 600 npaug ntawm cov tshuaj.

1. Thaum cov dos raug mob hnyav los ntawm cov larvae ntawm cov noob yoov (hauv av maggots), kab laug sab liab, thiab thrips, nws yog manifested li yellowing, nplooj distortion, thiab qhuav nyob rau hauv lub sij hawm tom qab.

2. Cov ntsiab lus tseem ceeb ntawm kev tiv thaiv thiab kev tswj hwm yuav tsum tau siv rau cov chiv kom paub tab kom ntxias thiab tua yoov cov neeg laus; Cov neeg laus tuaj yeem xaiv 2.5 feem pua ​​​​zoo cypermethrin vinegar 2000 zaug ua kua, lossis 20 feem pua ​​​​Kiuma emulsion 3000 zaug ua kua, larvae siv tau 50 feem pua ​​​​phoxiphos 800 ~ 1000 zaug ua kua dej. Anti-liab kab laug sab tuaj yeem siv 73 feem pua ​​​​g mite 2000 ~ 3000 zaug ua kua lossis 20 feem pua ​​​​acacide cream 1500 ~ 2500 zaug ua kua. 1. Cov ntsiab lus tseem ceeb ntawm kev tiv thaiv kev kub ntxhov thiab kev tswj hwm: nce kev thov ntawm cov organic chiv; Raws li lub sij hawm sib txawv ntawm kev loj hlob ntawm dos dej xav tau, watering raws sij hawm thiab tsim nyog; Xyuas kom dej txaus thaum lub sij hawm vegetative loj hlob. 2, av acid puas tiv thaiv cov ntsiab lus: nce daim ntawv thov ntawm cov organic chiv; Txo kev siv cov kua qaub chiv.

3. Kev tiv thaiv thiab tswj kev daj thiab ziab los ntawm qhov kub thiab txias tsis zoo; Nyob rau hauv cov ntaub ntawv ntawm kub siab yuav tsum tau dej txias; Ua tib zoo saib xyuas kom tsis txhob mob khaub thuas.

4, kev tiv thaiv thiab kev tiv thaiv ntawm yellowing thiab ziab los ntawm kev puas tsuaj rau cov tshuaj: scientific tuav ntawm cov tshuaj concentration, tsim nyog proportions; Txau tusyees thaum txau; Kev puas tsuaj tshuaj tuaj yeem txau tau 0.05 feem pua ​​​​ntawm cua daj cua dub 95, siv 500 zaug ua kua lossis potassium dihydrogen phosphate 500 zaug ua kua.