Kokwamba ne agama garishahararren kayan lambu.In tsarin dasa cucumbers, cututtuka daban-daban ba makawa za su bayyana, wanda zai shafi 'ya'yan itacen kokwamba, mai tushe, ganye, da tsire-tsire.Don tabbatar da samar da cucumbers, wajibi ne a yi cucumbers da kyau.Whula ne cututtukan kokwamba da hanyoyin sarrafa su?Mu duba tare!

1. Cucumber downy mildew

Dukansu mataki na seedling da girma shuka mataki za a iya shafa, yafi žata ganye.

Alamomi: Bayan ganyen ya lalace, wuraren da aka jika da ruwa suna bayyana a farkon, kuma tabo a hankali suna faɗaɗa, suna nuna alamun launin ruwan kasa mai faɗin kusurwa.Lokacin da zafi ya yi girma, launin toka-baki mai launin toka yana girma a baya ko saman ganye.Lokacin da ya yi tsanani a ƙarshen mataki, raunuka suna fashewa ko haɗuwa.

Gudanar da sinadarai:

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

2.Kokwambafaripowdery mildew

Ana iya kamuwa da ita tun daga lokacin shuka har zuwa lokacin girbi, kuma ganyayen sun fi kamuwa da cutar, sannan sai ganyaye da mai tushe, sannan 'ya'yan itatuwa ba su da yawa.

Alamomi: A farkon cutar, ƙananan farar fata kusan zagaye na ganye suna bayyana a bangarorin biyu na ganye, kuma akwai ƙarin ganye.Daga baya, yana faɗaɗa zuwa gefuna maras tabbas da farin foda mai ci gaba.A lokuta masu tsanani, dukan ganye an rufe shi da farin foda, kuma ya juya launin toka a cikin mataki na gaba.Ganyen marasa lafiya sun bushe da rawaya, amma gabaɗaya ba sa faɗuwa.Alamun kan petioles da mai tushe suna kama da waɗanda ke kan ganye.

Gudanar da sinadarai:

Pyraclostrobin, Chlorothalonil, Thiophanatemethyl, Propineb

 

3.Kokwambajapowdery mildew

Alamomi: Yawancin lalata ganyen kokwamba a ƙarshen lokacin girma.Kore mai duhu zuwa haske launin ruwan kasa raunuka suna tasowa akan ganye.Lokacin da zafi ya yi yawa, raunuka suna da bakin ciki, gefuna suna da ruwa, kuma suna da sauƙin karya.Yayin da zafi mai zafi ya daɗe, zai fi sauƙi don tsirar ruwan lemu mai haske a kan raunukan, wanda ke faɗaɗa da sauri kuma yana sa ganye su ruɓe ko bushe.

Turawan mulkin mallaka sun fara fari sannan su zama ruwan hoda.

Abubuwan rigakafi:

Iprodione, Azoxystrobin, Chlorothalonil

4.Cutar kokwamba

Itacen itacen inabi kokwamba yana lalata mai tushe da ganye.

Cututtukan ganye: A farkon matakin, akwai kusan raunin haske mai launin ruwan kasa ko zagaye, wasu daga cikinsu suna yin siffar “V” daga gefen ganyen ciki.Daga baya, raunuka suna da sauƙin karya, tsarin zobe ba a bayyane yake ba, kuma ɗigo baƙar fata suna girma a kansu.

Cututtuka na mai tushe da tendrils: mafi yawa a gindi ko nodes na mai tushe, oval zuwa fusiform, dan kadan sunken, raunuka masu launin mai suna bayyana, wani lokaci suna ambaliya tare da jelly resin amber, lokacin da cutar ta yi tsanani, ƙananan nodes sun juya baki, rot, Easy karya.Yana haifar da yellowing da necrosis na ganye a sama da raunin raunuka, jijiyoyi na jijiyoyi na tsire-tsire masu cututtuka na al'ada ne kuma ba sa canza launi, kuma tushen su ne al'ada.

Abubuwan rigakafi:

AzoxystrobinDifenoconazole

 

5.Anthracnose kokwamba

Cucumbers na iya lalacewa a duka matakin seedling da kuma girma shuka mataki, yafi ganye, amma kuma petioles, mai tushe, da kankana tube.

Halayen aukuwa:

Cututtukan Seedling: raunuka masu launin ruwan kasa Semicircular suna bayyana a gefen cotyledon, tare da ɗigo baƙar fata ko wani abu mai ɗanɗano mai haske a kai, kuma gindin tushe ya juya launin ruwan kasa kuma yana raguwa, yana haifar da tsiron guna ya faɗi.

Abubuwan da suka faru na tsire-tsire masu girma: Ganyen suna fitowa rawaya mai haske, mai jike da ruwa, da raunuka a farkon farko, sannan su juya launin rawaya tare da rawaya halos.Lokacin bushewa, raunukan suna fashe kuma suna ɓarna;lokacin da aka jika, raunukan suna ɓoye abubuwa masu ɗanɗano ruwan hoda.Farkon ƙwanƙarar kankana: Ana haifar da raunuka masu haske koren ruwa masu jika, wanda daga baya su koma launin ruwan kasa mai duhu wanda ya ɗan nutse a zagaye ko kusa.A mataki na gaba, 'ya'yan itatuwa marasa lafiya suna lanƙwasa su lalace, fashe, kuma ana samar da al'amura masu ɗanɗano ruwan hoda lokacin da aka jika.

Abubuwan rigakafi:

Pyraclostrobin,metiram ,Mancozeb,Propineb