Cucumber is acommonmuriwo wakakurumbira.In nzira yekudyara magaka, zvirwere zvakasiyana-siyana zvichaonekwa zvisingadzivisiki, izvo zvichakanganisa cucumber michero, madzinde, mashizha, uye mbesa.Kuti uve nechokwadi chekugadzirwa kwemagaka, zvakakosha kuita makomkomere zvakanaka.Wheti ndiyo zvirwere zvegaka uye nzira dzadzo dzekudzora?Ngatitarisei pamwe chete!

1. Cucumber downy mildew

Zvose danho rekudyara uye danho rekudyara revakuru rinogona kukanganisa, kunyanya kukanganisa mashizha.

Zviratidzo: Mushure mokunge mashizha akuvadzwa, mavara akanyoroveswa nemvura anoonekwa pakutanga, uye mavara zvishoma nezvishoma anowedzera, achiratidza polygonal light brown spots.Kana hunyoro hwakakwirira, grey-black mold layer inokura kumusana kana pamusoro pemashizha.Kana yakanyanya kunonoka, zvipembenene zvinoputika kana kubatanidza.

Chemical control:

Propamocarb hydrochloride , Mancozeb+Dimethomorph,Azoxystrobin, Metalaxyl-M+Propamocarb hydrochloride

2.Cucumberchenapowdery mildew

Inogona kutapukirwa kubva padanho rekudyara kusvika padanho rekukohwa, uye mashizha ndiwo anonyanya kukanganiswa, anoteverwa ne petioles uye stems, uye michero haina kukanganiswa.

Zviratidzo: Mukutanga kwechirwere, diki diki chena rinenge denderedzwa hupfu hunoonekwa pamativi ese emashizha, uye kune mamwe mashizha.Gare gare, inowedzera mumipendero isingaoneki uye inopfuurira chena poda.Muzviitiko zvakakomba, shizha rose rakafukidzwa nehupfu chena, uye inoshanduka kuva grey munguva inotevera.Mashizha ane chirwere anosvava uye eyero, asi kazhinji haadonhe.Zviratidzo zvepetioles uye madzinde zvakafanana nezviri pamashizha.

Chemical control:

Pyraclostrobin, Chlorothalonil, Thiophanatemethyl ,Propineb

 

3.Cucumbertsvukupowdery mildew

Zviratidzo: Kunyanya kukuvadza mashizha egaka munguva yekupedzisira yekukura.Maronda akasvibira kusvika kuruvara rwebrown anokura pamashizha.Kana hunyoro hwakakwirira, zvipembenene zvakatetepa, mipendero yakanyoroveswa nemvura, uye zviri nyore kuputsika.Iyo yakareba humidity inogara, zviri nyore kuti chiedza cheorange mold chikure pamaronda, iyo inowedzera nokukurumidza uye inoita kuti mashizha aore kana kuoma.

Makoroni acho anotanga achena obva aita pink.

Zvinodzivirira:

Iprodione, Azoxystrobin,Chlorothalonil

4.Cucumber blight

Cucumber vine blight inonyanya kukanganisa madzinde nemashizha.

Chirwere cheshizha: Mukutanga, kune maronda akatenderera kana asina kujairika, mamwe acho anoumba "V" chimiro kubva kumucheto kweshizha mukati.Gare gare, zvipembenene zvinoputsika nyore nyore, mhete yemhete haisi pachena, uye mavara madema anokura paari.

Zvirwere zvemadzinde nematendrils: kazhinji pazasi kana node dzemazita, oval kusvika ku fusiform, kunyura zvishoma, maronda akanyoroveswa nemafuta anooneka, dzimwe nguva achifashukira neamber resin jelly, kana chirwere ichi chakanyanya, tsinde inoshanduka dema, kuora, Nyore. kutyora.Iyo inokonzera yellowing uye necrosis yemashizha pamusoro pemaronda mavara, vascular bundles yemiti inorwara yakajairika uye haishanduki ruvara, uye midzi yakajairika.

Zvinodzivirira:

Azoxystrobin,Difenoconazole

 

5.Cucumber anthracnose

Magaka anogona kukuvadzwa padanho rekudyara uye padanho rekudyara revakuru, kunyanya mashizha, asiwo petioles, madzinde, uye melon mitsetse.

Chiitiko maitiro:

Chirwere cheSeedling: Maronda eSemicircular brown anoonekwa kumucheto kwecotyledon, aine madota matema kana kuti akatsvuka matsvuku anonamira paari, uye hwaro hwehunde hunoita hushava hwakajeka uye hushoma, zvichiita kuti madzinde evise adonhe.

Chiitiko chezvirimwa zvakura: Mashizha anoratidzika akajeka eyero, akanyoroveswa nemvura, uye maronda akatenderera pakutanga, uye obva aita yero yebrown neyero halos.Kana yakaoma, zvipembenene zvinoputika uye zvinoputika;kana yanyorova, maronda anoburitsa pink chinhu chinonamira.Kutanga kwezvimedu zvemavise: Mvura yakanyoroveswa yakasvibira maronda anogadzirwa, ayo anozoshanduka kuita rima rakasviba rakanyura zvishoma kutenderera kana pedyo-kutenderera maronda.Muchikamu chekupedzisira, michero ine chirwere inokotama uye yakaremara, yakatsemuka, uye pink inonamira zvinhu inogadzirwa kana yanyorova.

Zvinodzivirira:

Pyraclostrobin,metiram,Mancozeb,Propineb