Hortensia vaj yog ib tsob nroj uas cog hauv ntau lub vaj hauv peb cheeb tsam, zoo siab rau peb nrog nws cov nplhaib zoo kawg li. Qhov no shrub yog heev zoo nkauj vim nws zoo nkauj loj inflorescences ntawm muag heev pastel ntxoov.
Tab sis qee lub sij hawm hydrangea, zoo li ntau lwm yam nroj tsuag, yog cuam tshuam los ntawm fungal kab mob. Ib qho ntawm cov kab mob ntawm cov vaj teb hydrangea yog xeb, cov tsos mob ntawm cov tsos mob ntawm cov tsos ntawm lub paj, nplooj thiab tua ntawm stains ntawm ib yam ntxwv dajish-txiv kab ntxwv, rusty hue. Qhov no tshwm sim feem ntau hauv cov huab cua txias thiab ntub dej, thiab nrog rau ntau qhov kev cog thiab cog qoob loo ntawm nitrogen hauv av. Raws li ib qho ntawm kev puas tsuaj rau xeb ntawm hydrangeas, yoojyim ua rau me nyuam hlob, loj hlob tuaj, thiab thaum tsis muaj kev kho mob, cov nroj tsuag txawm tuag taus.
Txoj kev ntawm kev tawm tsam thiab kev tiv thaiv ntawm xeb
Nws yuav tsum tau sau tseg tias hydrangea yog cuam tshuam los ntawm lub fungus tsis tshua piv rau lwm cov vaj tse qhov kev ua si. Tab sis yog qhov no tseem tshwm sim, thiab koj pom xeb xau ntawm koj cov nroj tsuag, tsuag tsuag kom ua txoj kev kho mob. Qhov no yuav pab tiv thaiv kom tsis txhob kis tau cov kab mob ntawm xeb fungus ob qho tib si rau kev noj qab haus huv qhov chaw ntawm hydrangea hav txwv thiab lwm yam nroj tsuag hauv lub vaj.
Copper chloride yog ib qho tseem ceeb tshaj yeeb tshuaj. Raws li kev xyaum qhia, nws yog qhov zoo tshaj li Bordeaux kua, uas yoojyim ntawm cov nroj tsuag. Txhim kho hydrangea kev kho mob, npaj ib tug ua hauj lwm daws (40 g ntawm cov tshuaj rau 10 liv dej), thiab tshuaj tsuag lub Bush zoo. Rau ib tus neeg laus nroj tsuag hydrangea yoojyim txog 2 liv ntawm cov tshuaj.
Pom lawv cov hauj lwm zoo tiv thaiv xeb thiab cov yeeb tshuaj xws li Ordan, Topaz, Falcon. Cov fungicides no muaj kev ua si thiab tsis pub xeb pustules ntawm cov paj ntawm hydrangeas mus kis thoob plaws hauv lub hav txwv yeem.
Raws li kev tiv thaiv ntawm xeb, hydrangeas feem ntau yog txau nrog cov tooj liab los yog hlau sulfate. Nws tseem yog ib qho tseem ceeb los saib xyuas qhov chaw kawm ntawm cov nroj tsuag ntawm qhov chaw - lawv yuav tsum tsis txhob cog ntau dhau. Yog hais tias cov cai no raug cai pom, ces vim yog kev tiv thaiv, yuav tsis muaj kev sib ntaus sib tua hauv cov paj ntawm lub vaj teb hydrangea.