Kasugamycin yog ib qho tshuaj tua kab mob tseem ceeb uas tsim los ntawm Streptomyces kasugaris. Nws muaj txiaj ntsig zoo hauv kev tiv thaiv thiab tswj ntau yam kab mob qoob loo xws li nplej blast. Nws yog ib qho zoo tagnrho fungicide. Nws muaj cov yam ntxwv ntsuab xws li cov residue tsawg thiab tsis muaj kuab paug, thiab yog ib puag ncig tus phooj ywg biopesticide.
1. Cov kab mob dab tsi uas Kasugamycin tuaj yeem tiv thaiv thiab kho tau?
Kasugamycin muaj zog systemic thiab permeability. Nws yog absorbed sai sai los ntawm cov nroj tsuag tom qab txau thiab kis mus rau hauv cov nroj tsuag lub cev, zoo inhibiting kev loj hlob thiab kev loj hlob ntawm mycelium. Nws muaj cov nyhuv tua ntawm cov kab mob thiab cov fungi ntawm Deuteromycotina subphylum, thiab yog ib qho tshuaj siv los tiv thaiv thiab kho cov kab mob qoob loo thiab kab mob.
Nws yog thawj zaug siv los tiv thaiv thiab tswj cov nplej moj tej tawg, thiab kev tswj cov nyhuv tuaj yeem ncav cuag ntau tshaj 80%. Cov qoob loo tsim nyog rau kasugamycin suav nrog qos yaj ywm, dib, celery, sorghum, kua txob, taum, citrus, txiv duaj ntoo, thiab lwm yam Nws tuaj yeem tiv thaiv thiab tswj cov qos yaj ywm rot, dib kab mob angular nplooj chaw, celery ntxov blight, kua txob kab mob scab, citrus gummosis, lws suav nplooj pwm, caltrop nplooj chaw, thiab lwm yam.
2. Yuav siv kasugamycin li cas rau ntau yam qoob loo
Cov ntaub ntawv sau npe tam sim no thiab ntau npaum li cas ntawm Kasugamycin ib koob tshuaj yog: 2%, 6% aqueous tov, 2%, 4%, 6%, 10% wettable hmoov, 2% soluble granules, 20% dej-dispersible granules, thiab lwm yam. Chunlei Cov khoom lag luam suav nrog Chunlei Wangtong, Chunlei Daobanling, Chunlei tricyclazole, Chunlei carbendazim, Chunlei Zhongshengmycin, Chunlei tebuconazole, Chunlei bromycin, thiab lwm yam.
① Rau cov kab mob qoob loo, nyob rau theem pib ntawm tus kab mob, siv 2% Chunlei 100ml + pyraclostrobin 25ml + silicone 10ml ib thoob dej. Siv 2 thoob dej rau ib mu. Txau ntau rau thaj chaw uas muaj ntau qhov txhab, pob ntseg dawb, thiab cov pob ntsuab.
② Txhawm rau tiv thaiv cov nplooj txiv lws suav thiab cov kab mob kab mob dib, tshuaj tsuag 140-175 ml ntawm 2% Kasugamycin aqueous tov ib daim av, ib zaug txhua 7 hnub, thiab tshuaj tsuag 2-3 zaug tsis tu ncua. Nws tseem tuaj yeem tiv thaiv thiab tswj cov kab mob kua txob, txiv lws suav nplooj pwm, grey pwm, cabbage dub rot, dib wilt, dib anthracnose thiab lwm yam kab mob.
③ Txhawm rau tiv thaiv thiab tswj cov kab mob tsob ntoo txiv ntoo, feem ntau siv 2% kasugamycin aqueous tov los yog hmoov ntub dej 400-600 zaug, lossis 4% kasugamycin wettable hmoov 800-1000 zaug, lossis 1200-1500 zaug ntawm 6% kasugamycin wettable hmoov, tshuaj tsuag tusyees, thiab cov tshuaj muaj kev tiv thaiv zoo thiab tswj cov nyhuv thaum ntxov ntawm tus kab mob los yog qhov pib ntawm tus kab mob. Rau cov txiv duaj tsob ntoo xim av qhov chaw perforation kab mob, 20% kasugamycin dej dispersible granules tuaj yeem txau 2000-3000 zaug thaum ntxov ntawm tus kab mob.
④ Cov kab mob txiv duaj ntoo, kab mob pob txha, kab mob citrus pos hniav, kab mob xuab zeb. Tom qab tshem tawm cov kab mob los yog carving qhov chaw muaj kab mob vertically nrog ib tug ntse riam, siv 5-8 zaug ntawm 4% kasugamycin wettable hmoov thiab ces qhwv nws nrog yas zaj duab xis.
Nws yuav tsum tau muab sau tseg tias cov taum pauv, cov hauv paus ntoo, thiab cov ntoo fir (tshwj xeeb tshaj yog cov noob) yog cov rhiab heev rau kasugamycin, thiab cov kua yuav tsum zam kom tsis txhob ya mus rau cov qoob loo saum toj no thaum siv tshuaj tua kab. Yog hais tias Kasugamycin yog tsim los ntawm Actinomycetes aureus, cov ntawv sau npe feem ntau yuav qhia tau tias nws nkag siab zoo rau cov qoob loo xws li txiv hmab txiv ntoo, eggplants, citrus, thiab txiv apples.
