#PlantDisease #CropManagement #Fungicides #Biocontrol #Agriculture
I-collar rot, ebangelwa ukhunta i-Rhizoctonia solani, isifo sezitshalo esivamile futhi esibhubhisayo esithinta izitshalo eziningi, kuhlanganise nemifino, izithelo, kanye nemihlobiso. Kuthinta isifunda sekhola yesitshalo, kubangele ukubuna, ukuphuzi, futhi ekugcineni nokufa. Kulesi sihloko, sizocubungula izimbangela, izimpawu, kanye nemiphumela yokubola kwekhola futhi sihlole amasu ahlukahlukene okuphatha atholakalayo.
Isikhunta i-R. solani siphila kahle endaweni efudumele nemanzi, okwenza kube inkinga evame kakhulu ezindaweni ezishisayo nezishisayo. Ithelela isitshalo ngamanxeba noma ukuvuleka kwemvelo futhi ikoloni isifunda sekholomu, okuholela ekuthuthukiseni ama-cankers. Ama-cankers avimbela ukuhamba kwamanzi nemisoco, okuholela ezimpawu zokushwabana nokuphuzi.
Ukubola kwekhola kungaba nemiphumela ebalulekile ekuvuneni kwezitshalo nekhwalithi. Kungabangela ukukhula okuntengayo, ukunciphisa amandla, ngisho nokufa, okuholela ekulahlekelweni kwezomnotho kubalimi. Lesi sifo singenza futhi ukungena kwamanye amagciwane, okuholela ekuthelelekeni kwesibili kanye nokulimala okwengeziwe.
Ngenhlanhla, kunamasu amaningana okuphatha atholakalayo okulawula ukubola kwekhola. Lokhu kuhlanganisa imikhuba yamasiko, ukulawulwa kwamakhemikhali, nokulawulwa kwezinto eziphilayo. Ukujikeleziswa kwezitshalo, ukuvala inzalo kwenhlabathi, kanye nezinqubo zokukhucululwa kwendle kungasiza ukunciphisa izinga le-inoculum emhlabathini. Ama-fungicides angasetshenziswa futhi ukuvikela izitshalo ekuthelelekeni, kuyilapho ama-biocontrol agents afana ne-Trichoderma spp. kungasiza ukucindezela ukukhula kwe-R. solani.
I-collar rot ebangelwa i-R. solani isifo sezitshalo esivame futhi esibhubhisayo esingaba nemiphumela ebalulekile ekuvuneni kwezitshalo kanye nekhwalithi. Nokho, ngokuqonda izimbangela nezimpawu zesifo nokusebenzisa amasu okuphatha afanele, abalimi banganciphisa umthelela waso futhi bavikele izitshalo zabo ekulimaleni.