Captan ua haujlwm li cas? Captan yog non-systemic fungicide txhais tau tias nws tsis absorbed rau hauv cov nroj tsuag. Nws tsim kev tiv thaiv kab mob ntawm nplooj thiab txiv hmab txiv ntoo uas tiv thaiv cov kab mob nkag musCaptan thaiv lub peev xwm ntawm cov fungus los tsim lub zog uas tshem tawm nws dhau sijhawm.
Captan fungicide kav ntev npaum li cas?
Piv txwv li, ib nrab lub neej ntawm Captan yog 32 teev ntawm pH 5, yim teev ntawm pH 7, thiab 10 feeb ntawm pH 8. Lub neej ib nrab ntawm Dithane yog 32 teev ntawm pH 5, 17 teev ntawm pH 7, thiab 34 teev ntawm pH 9.
Lub luag haujlwm ntawm captan yog dab tsi?
Captan yog tib neeg tsim fungicide siv los tswj ntau yam kab mob fungal. Cov tshuaj tua kab yog thawj zaug sau npe hauv xyoo 1951. Captan tuaj yeem siv los tswj cov kab mob xws li rot dub, thaum ntxov thiab lig blight, thiab downy mildew, thiab lwm yam.
Puas yog Captan yog tshuaj tua kab mob zoo?
Captan yog man-made fungicide siv los tswj ntau yam kab mob fungal ntawm cov nroj tsuag. Nws yog feem ntau siv rau ob qho tib si cov qoob loo noj tau thiab cov nroj tsuag ornamental. Captan cuam tshuam cov kab mob los ntawm kev cuam tshuam cov txheej txheem tseem ceeb hauv nws lub neej voj voog. Yog noj, nws muaj toxicity tsawg heev tab sis nws tuaj yeem tsim teeb meem rau qhov muag.
Thaum twg kuv yuav tsum txau kuv tus Captan?
Captan 50 Wettable Powder ib acre hauv 20 mus rau 200 nkas loos dej siv cov khoom siv hauv av lossis hauv 10 mus rau 20 nkas loos dej los ntawm huab cua. Thov hauv pre-bloom, Bloom, nplooj poob, shuck, npog, thiab ua ntej sau qoob. Daim ntawv thov ntawm 3 mus rau 4 hnub ib ntus yuav tsim nyog thaum lub sij hawm tawg paj los tswj lub paj tawg.