Chirwere ichi chisingafadzi chinoshungurudza varimi vakawanda, nokuti pasi pemamiriro asina kunaka, somuenzaniso - mune kunaya uye kunotonhora kwezhizha, inosvika kunenge nzvimbo yese.
Powdery mildew chirwere chefungal etiology. Inokonzera kuonekwa kwemucheka mutsvuku kana mutsvuku kumashure emashizha, zvichiita kuti vaome. Muchiitiko chisina hanya, fungus inokonzera mashizha, maruva nemichero yemakango. Kuti udzivirire miriwo yakadaro kubva pakuenda kune imwe nyika, unofanirwa kuziva kare kuti ungagadzirisa sei powdery mildew mumakucheka.
Kuchengetedzwa kwamakungu kubva powdery mildew
Izvo zvakakosha pakutanga kwechirwere ichi kumisa kupararira kwayo. Panguva ino, nzira dzevanhu dzokurwa nadzo dzinogona kushandiswa:
- tincture yemarigolds - maruva akaomeswa (hafu yegakiti) inofanira kuomeswa mumvura inodziya (kuzadza bhakiti kusvika mumuromo) mukati memazuva maviri uye wobva wawedzera sopu yekuchenesa (40 g) kune chinetso chakaoma;
- decoction ye horsetail - yakaomeswa (100 g) kana matsva (1 kg) horsetail nemvura (10 l) kwezuva, zvino shandisa maawa maviri, inotonhorera, kushandiswa uye kushandiswa pamusana we1: 5;
- mullein - mune chiyero che1: 3 chengetedza nemvura, tsanidza mazuva matatu uye katatu zvakasvibiswa nemvura asati ishandiswa.
Zvose izvi zvinoda kuchenesa zvakananga cucumber kamwechete pavhiki kusvikira zviratidzo zvisipo. Asi kana powdery mildew pamakuckiti yatogadzirwa zvakakwana, uye kugadzirira zvisikwa hazvibatsiri, makemikari zvinoreva kurwisana anoshandiswa. Izvi ndezvi:
- soda ye soda ash (0.5%) nesipo;
- solution ye Bordeaux liquid (1%);
- solution ye ferrous sulfate (5%).
Kunyatsoremekedzwa powdery mildew yemakucheka inobatwa nemakemikari ane chepfu. Izvo bedzi zvinogona kushandiswa zvakapiwa kuti pachinenge pasina ovary yezvibereko. Pakati pemishonga mitsva, chirongwa che "Karatan" chakakonzerwa mu 10 malita emvura anobata zvakanaka. Iwe unoda kuronga vhiki rese kana maviri.