Cov kab tsuag uas pom ntau hauv cov teb txiv laum huab xeeb yog: nplooj tawv daj, cag lwj, qia lwj, aphids, paj rwb bollworm, kab tsuag hauv av, thiab lwm yam.
Txoj kev npaj rho nyom ntawm cov txiv laum huab xeeb:
Kev tshem cov nyom ntawm cov txiv laum huab xeeb pab kho cov av tom qab tseb thiab ua ntej cog cov noob. Peb tuaj yeem xaiv 0.8-1L 960 g/L Metolachlor EC ib hectare,
los yog 2-2.5L 330 g / L Pendimethalin EC ib hectar thiab lwm yam.
Cov tshuaj tua kab uas nyob saum toj no yuav tsum tau txau kom sib npaug rau hauv av tom qab cov txiv laum huab xeeb raug tseb thiab ua ntej tawm los, thiab cov txiv laum huab xeeb yuav tsum tau npog nrog zaj duab xis tam sim ntawd tom qab siv.
Rau kev kho cov qia thiab nplooj tom qab tshwm sim, 300-375 ml ib hectare ntawm 15% Quizalofop-ethyl EC, lossis 300-450 ml ib hectare ntawm 108 g / L Haloxyfop-P-ethyl EC tuaj yeem siv rau hauv theem 3-5 nplooj ntawm cov nyom nyom;
Thaum lub sijhawm 2-4 nplooj ntawm cov nyom, 300-450 ml ib hectare ntawm 10% Oxyfluorfen EC tuaj yeem siv rau kev txau tswj cov dej stems thiab nplooj.
Txoj kev npaj tswj kev sib koom ua ke hauv lub caij cog qoob loo
1. Lub sijhawm cog qoob loo
Lub sijhawm cog qoob loo yog lub sijhawm tseem ceeb rau kev tswj hwm ntau yam kab tsuag thiab kab mob. Qhov teeb meem tseem ceeb yog kev kho thiab tiv thaiv noob, nws yog ib qho tseem ceeb heev uas yuav tsum xaiv cov tshuaj tua kab uas ua haujlwm tau zoo, tsis muaj tshuaj lom, thiab siv tau ntev los tswj cov kab mob hauv paus thiab cov kab tsuag hauv av.
Peb tuaj yeem xaiv 22% Thiamethoxam + 2% Metalaxyl-M + 1% Fludioxonil FS 500-700ml sib tov nrog 100kg noob.
Los yog 3% Difenoconazole + 32% Thiamethoxam + 3% Fludioxonil FS 300-400ml sib tov nrog 100kgs noob.
Hauv cov chaw uas cov kab tsuag hauv av loj heev, peb tuaj yeem xaiv 0.2%
Clothianidin GR 7.5-12.5kg. Siv ua ntej cog txiv laum huab xeeb, thiab tom qab ntawd tseb tom qab raking av kom sib npaug.
Los yog 3% Phoxim GR 6-8kg, thov thaum tseb noob.
Cov noob uas tau muab npog los yog muab txheej txheej npog yuav tsum tau cog tom qab ziab lub txheej noob, qhov zoo tshaj plaws yog tsis pub dhau 24 teev.
2. Thaum lub sijhawm tawg paj mus txog rau lub sijhawm tawg paj
Thaum lub sijhawm no, cov kab mob tseem ceeb yog nplooj ntoos, cag lwj thiab qia lwj. Peb tuaj yeem xaiv 750-1000ml ib hectare ntawm 8% Tebuconazole + 22% Carbendazim SC, lossis 500-750ml ib hectare ntawm 12.5% Azoxystrobin + 20% Difenoconazole SC, txau thaum lub sijhawm ntxov ntawm tus kab mob.
Thaum lub sijhawm no, cov kab tsuag tseem ceeb yog Aphis, Paj Rwb bollworm thiab cov kab tsuag hauv av.
Yuav kom tswj tau cov aphids thiab paj rwb bollworm, peb tuaj yeem xaiv 300-375ml ib hectare ntawm 2.5% Deltamethrin EC, txau thaum lub sijhawm ntxov ntawm Aphis thiab theem thib peb ntawm paj rwb bollworm.
Txhawm rau tswj cov kab tsuag hauv av, peb tuaj yeem xaiv 1-1.5kg ntawm 15% Chlorpyrifos GR lossis 1.5-2kg ntawm 1% Amamectin + 2% Imidacloprid GR, tawg.
3. Lub sij hawm txiv hmab txiv ntoo mus txog rau lub sij hawm txiv hmab txiv ntoo loj hlob tag nrho
Yuav tsum siv tshuaj sib xyaw ua ke (tshuaj tua kab + tshuaj tua kab + tshuaj tswj kev loj hlob ntawm cov nroj tsuag) thaum lub sijhawm txiv laum huab xeeb pib loj hlob, uas tuaj yeem tswj tau ntau yam kab mob thiab kab tsuag hauv theem nruab nrab thiab theem lig, tiv thaiv kev loj hlob ntawm nplooj txiv laum huab xeeb, tiv thaiv kev laus ua ntej lub sijhawm, thiab txhim kho kev loj hlob.
Thaum lub sijhawm no, cov kab mob tseem ceeb yog nplooj ntoos, qia lwj, kab mob xeb, cov kab tseem ceeb yog paj rwb bollworm thiab aphis.
Peb tuaj yeem xaiv 300-375ml ib hectare ntawm 2.5% Deltamethrin + 600-700ml ib hectare ntawm 18% Tebucanozole + 9% Thifluzamide SC + 150-180ml ntawm 0.01% Brassinolide SL, Txau.
Lub sijhawm tshaj tawm: Tsib Hlis-23-2022
