Cov kab mob no tsis txaus ntshai ntau gardeners, vim hais tias nyob rau hauv unfavorable tej yam kev mob, piv txwv li - nyob rau hauv ib tug rainy thiab txias lub caij ntuj sov, nws los mus yuav luag txhua qhov chaw.
Powdery mildew yog ib tug kab mob ntawm fungal etiology. Nws ua rau pom los ntawm ib tug dawb los yog liab txheej nyob rau nraum qab nplooj, ua rau lawv ziab. Nyob rau hauv ib cov ntaub ntawv neglected, lub fungus kis stems, paj thiab txiv hmab txiv ntoo ntawm qus. Yuav kom tiv thaiv zoo li cov zaub tsis tau mus rau lub xeev no, koj yuav tsum paub ua ntej yuav ua li cas nrog powdery mildew nyob rau hauv cucumbers.
Kev kho mob ntawm cucumbers los ntawm powdery mildew
Nws yog ib qho tseem ceeb heev thaum pib ntawm tus kab mob kom tsis txhob kis tau. Nyob rau qib no, tib neeg lub tswv yim ntawm kev tawm tsam yuav siv tau:
- tincture ntawm marigolds - crushed paj (ib nrab ntawm ib lub thoob) yuav tsum tau nyob hauv dej sov (sau rau lub thoob rau lub txhauv) hauv 2 hnub thiab ntxiv cov xab npum ntxhua khaub ncaws (40 g) kom daws teeb meem;
- decoction ntawm horsetail - qhuav (100 g) los yog tshiab (1 kg) horsetail nrog dej (10 l) rau ib hnub, ces boil rau 1-2 teev, txias, lim thiab siv nyob rau ntawm ib tug concentration ntawm 1: 5;
- mullein - nyob rau hauv ib tug ratio ntawm 1: 3 dilute nrog dej, insist 3 hnub thiab peb zaug diluted nrog dej ua ntej siv.
Tag nrho cov no txhais tau tias yuav tsum tau ua tib zoo tshuaj tsuag lub dib ib zaug ib lub lim tiam kom txog rau thaum cov tsos mob tawm. Tab sis yog hais tias powdery mildew on dib twb tsim tsim txaus, thiab natural npaj tsis pab, tshuaj txhais tau hais tias tshuaj tiv thaiv siv. Cov no yog:
- tov dej qab zib tshauv (0.5%) nrog xab npum;
- daws ntawm Bordeaux kua (1%);
- daws ntawm ferrous sulfate (5%).
Tag nrho tsis nco qab powdery mildew ntawm cucumbers yog kho nrog tshuaj lom tshuaj. Tsuas yog lawv tuaj yeem siv tau yog tias tseem tsis muaj qe menyuam. Ntawm cov tshuaj tshiab, cov kua "Karatan" muab diluted hauv 10 liters dej dej zoo. Koj yuav tsum ua txhua lub lis piam los sis ob zaug.