Dankali, alkama, shinkafa, da masara a dunkule an san su a matsayin muhimman amfanin gona guda hudu na abinci a duniya, kuma suna taka muhimmiyar rawa wajen bunkasa tattalin arzikin aikin gona na kasar Sin.Dankali, wanda kuma ake kira dankali, kayan lambu ne na yau da kullun a rayuwarmu.Ana iya yin su cikin abinci masu yawa.Sun ƙunshi ƙarin ƙimar sinadirai fiye da sauran 'ya'yan itatuwa da kayan marmari.Suna da wadata musamman a cikin sitaci, ma'adanai da furotin.Suna da "apple karkashin kasa".Take.Amma a harkar noman dankalin turawa, manoma kan gamu da kwari da cututtuka iri-iri, wadanda ke yin illa ga amfanin noman.A cikin lokacin dumi da ɗanɗano, abubuwan da ke faruwa na ƙwayar dankalin turawa sun fi girma.Don haka, menene alamun cututtukan ganyen dankalin turawa?Yadda za a hana shi?
Alamun haɗari Mafi yawa suna lalata ganye, yawancin su shine cuta ta farko akan ƙananan ganye a tsakiyar da ƙarshen matakan girma.Ganyen dankalin turawa sun kamu da cutar, suna farawa daga kusa da gefen ganye ko tip, koren launin ruwan kasa necrotic spots suna samuwa a farkon matakin, sa'an nan kuma sannu a hankali suna girma zuwa kusan zagaye zuwa "V" mai launin toka-launin toka-launin ruwan kasa, tare da alamu na zobe maras kyau. , da kuma gefen waje na marasa lafiya sau da yawa Chlorescence da yellowing, kuma a karshe cututtuka na ganye necrotic da konewa, da kuma wani lokacin 'yan duhu launin ruwan kasa spots iya samar a kan marasa lafiya spots, wato, conidia na pathogen.Wani lokaci yana iya cutar da mai tushe da itacen inabi, yana samar da aibobi masu launin toka-launin toka-launin ruwan kasa, kuma daga baya na iya haifar da kananan aibobi masu launin ruwan kasa a sashin mara lafiya.
Halin abin da ya faru Blight leaf dankali yana haifar da kamuwa da naman gwari mara kyau na naman gwari Phoma vulgaris.Wannan ƙwayar cuta ta mamaye ƙasa tare da sclerotium ko hyphae tare da kyallen takarda marasa lafiya, kuma yana iya jurewa akan sauran ragowar runduna.Lokacin da yanayi a cikin shekara mai zuwa ya dace, ruwan sama yana watsar da ƙwayoyin cuta na ƙasa akan ganye ko mai tushe don haifar da kamuwa da cuta ta farko.Bayan cutar ta faru, ana samar da sclerotia ko condia a cikin sashin marasa lafiya.Ciwon cututtuka da aka yi ta fama da shi tare da taimakon ruwan sama na sa cutar ta yaɗu.Dumi da zafi mai zafi suna da tasiri ga faruwa da yaduwar cutar.Cutar ta fi tsanani a cikin filaye da ƙasa mara kyau, kulawa mai yawa, dasa shuki, da raunin shuka.
Hanyoyi na rigakafi da sarrafawa Matakan aikin gona: zabar filaye masu kyau don dasa shuki, ƙware da yawan shukar da ya dace;kara yawan takin gargajiya, kuma a yi amfani da takin mai magani na phosphorus da potassium yadda ya kamata;ƙarfafa gudanarwa a lokacin lokacin girma, shayarwa da ɗorawa a cikin lokaci, don hana tsufa na shuka;kan lokaci bayan girbi Cire gawarwakin marasa lafiya a cikin filin kuma a lalata su ta hanyar tsakiya.
Gudanar da sinadaran: rigakafin feshi da magani a farkon matakin cutar.A mataki na farko na cutar, za ka iya zaɓar yin amfani da 70% thiophanate-methyl wettable foda 600 sau ruwa, ko 70% mancozeb WP 600 sau ruwa, ko 50% iprodione WP 1200 Mai haɓaka ruwa + 50% Dibendazim wettable foda sau 500 ruwa. , ko 50% Vincenzolide WP 1500 sau ruwa + 70% Mancozeb WP 800 ruwa sau 800, ko 560g/L Azoxybacter · Lokacin 800-1200 sau ruwa na Junqing mai dakatarwa, 5% chlorothalonil foda 1kg-2k5% jan karfe hydroxide foda 1kg/mu kuma ana iya amfani dashi don dasa shuki a wuraren da aka karewa.
Lokacin aikawa: Oktoba-15-2021