Hauv tsev paj nruag, zoo li vaj paj, tej zaum kuj muaj mob. Qhov no tshwm sim rau ntau yam - pluag av, ntev li ntawm cov dej, tsis zoo txaus. Piv txwv li, violets feem ntau yog kis nrog lig blight, mites, aphids. Lawv raug kev txom nyem los ntawm fungal kab mob, tshwj xeeb tshaj yog powdery mildew. Cia peb kawm seb yuav kho cov paj li cas hauv qhov no thiab seb yuav kho cov violets los ntawm cov hmoov noom lwg.
Yuav ua li cas los kho violet los ntawm powdery mildew?
Cov nplooj ntawm lub violet cuam tshuam los ntawm tus kab mob no yuav muaj ib co whitish lo thiab saib dusty. Tab sis nws tsis yog hmoov av txhua - nws yog ib tug dawb txheej ntawm mycelium. Nws muaj peev xwm yuav tsim tsis tsuas yog on nplooj, tab sis kuj on stems thiab peduncles.
Txhawm rau tshem koj txoj kev nyiam ntawm violet mildew, koj yuav tsum to taub cov laj thawj ntawm nws tshwm sim. Thiab lawv tuaj yeem sib txawv:
- overfeeding lub paj nrog nitrogen nyob rau hauv tej yam kev mob ntawm shortage ntawm phosphorus thiab poov tshuaj nyob rau hauv cov av;
- high humidity nyob rau hauv chav tsev ntawm tsawg txij nkawm;
- hmoov av thiab av ntawm ib lub txee nrog paj;
- tsis txaus los ntawm cov nroj tsuag.
Raws li ib txoj cai, nws tsis yog yooj yim mus nrog powdery mildew nyob rau hauv violets. Nws yuav txaus siv siv ib zaug xwb tshuaj tsuag ntawm cov nroj tsuag uas muaj kab mob nrog tus neeg muaj mob antifungal. Rau cov hom phiaj fungicides xws li "Benlat" los yog "Fundazol" yog tsim . Nco ntsoov tias tus kab mob no yuav ntaus tau thiab sawv ze ntawm cov violets, txawm tias qhov raid tseem tsis tau pom, yog li nws yog qhov zoo tshaj plaws los ua kom tiav cov khoom sau tag nrho. Yog tias ib qho tshuaj tsuag tsis pab, tom qab 10 hnub koj tuaj yeem rov ua txoj haujlwm lossis siv zog npaj "Topaz".
Kev kho mob ntawm powdery mildew nyob rau hauv violets yog tau thiab pej xeem tshuaj - rau no siv daws ntawm calcined soda los yog tooj liab sulfate nrog xab npum, ib ncua kev ntawm colloidal sulfur, ib tug Txoj kev lis ntshav ntawm rotted nyuj dung.
Thiab los tiv thaiv qhov rov qab ntawm cov hmoov txhaws qa ntawm mildew hauv violets tom qab kev kho mob, sim ua kom muaj qhov zoo rau koj cov paj: khaws lub txee los yog sill huv, saib qhov kub thiab txias regime thiab noj cov chiv hauv chiv tsim nyog. Muab cov nroj tsuag zoo tshaj plaws rau sab qaum teb sab hnub tuaj. Thiab yog tias koj lub qhov rais saib sab hnub poob los yog sab qab teb, nco ntsoov ntxoov cov violets, tshwj xeeb tshaj yog thaum caij ntuj sov.