Ogorodniki, girma cucumbers a greenhouses, lokaci-lokaci haɗu da gaskiyar cewa ganyen shuke-shuke juya launin rawaya. Dalilin da ya faru na wannan sabon abu ne daban-daban: daga cin zarafin yanayin da ake ciki ga cututtuka na kokwamba. Bari muyi tunanin abin da za mu yi idan ganye na kokwamba a cikin greenhouse juya launin rawaya.
Haramta na namo of kokwamba
Kowane mutum ya san cewa cucumbers suna jin dadi da kuma dumi. Duk da haka, a cikin bazara, maimaita sanyi yakan faru, lokacin da zazzabi a cikin greenhouse iya sauke ƙasa da halatta + 14 ° C. A wannan yanayin, kokwamba seedlings zasu iya juya launin rawaya da girma zai tsaya, kuma a yanayin zafi a ƙasa 0 ° C - kuma gaba daya mutu.
Don taimakawa cucumbers tsira daga irin wannan yanayin sanyi, wajibi ne a kara karin kayan shuka a kan gonaki tare da taimakon kayan kayan musamman ko fim na al'ada.
Wani dalili kuma cewa ganye na cucumbers a cikin greenhouse juya launin rawaya, akwai yiwuwar rashin ƙasa a cikin ƙasa na ma'adanai, musamman nitrogen. A wannan yanayin, ganye na farko sunyi launin rawaya, sa'an nan kuma wutsiyoyi, da 'ya'yan itatuwa da kansu sun zama nau'i-nau'i. Don hana wannan, yana bi da seedlings, kafin dasa shuki a cikin gine-gine, takin taki tare da abubuwan da ake bukata.
Rawan tsirrai na cucumbers an lalacewa ta hanyar rashin ruwa. Idan aka yi amfani da ruwan sanyi don tsaftace ƙasa a karkashin cucumbers, to, tsire-tsire ba sa son shi, kuma zasu juya rawaya. Sabili da haka, wajibi ne a yi ruwa a kai a kai a cikin ruwan ganyayyaki tare da ruwan dumi kuma zai fi dacewa da ruwa mai tsabta.
Kokwamba cututtuka, da ganye juya rawaya
Sau da yawa, cututtuka suna fama da cutar, irin su fusariosis. A wannan yanayin, a lokacin bayyanar ovaries, ganye na farko sunyi launin rawaya, kuma daga bisani tsire-tsire sun bushe. Magungunan man shafawa ne magungunan fungal, wanda ganye na cucumbers sun juya launin rawaya. Domin wadannan cututtuka ba su shafi tashe-tashen tsire-tsire na cucumbers ba, wajibi ne a bi da kasar gona kafin dasa shuki potassium, ko amfani da gefe, da kuma ƙari, don zaɓar irin cucumbers waɗanda suke da tsayayya ga wadannan cututtuka.
Cucumbers za a iya shafi a ko'ina cikin kakar ta aphids da gizo-gizo mite. Ana bada shawara don yaki da su da irin kwayoyi irin su Akarin, Tsymbush, Fitoverm da sauransu.