#CanolaCropProtection #BiologicalControl #CulturalPractices #PestManagement
Iklabishi seedpod weevil (Ceutorhynchus obstrictus) iyisilokazane esibalulekile se-canola nezinye izitshalo ze-cruciferous emhlabeni jikelele. Izimpungushe ezikhulile zidla amaqabunga, imiqumbe, nezimbali, kuyilapho izibungu zidla imbewu ekhulayo phakathi kwama-pods. Lokhu kungabangela ukulahlekelwa okukhulu kwesivuno kubalimi.
Ukwakhiwa kwezinyathelo zokulawula ezisebenzayo kubalulekile ukuze kukhawulwe umonakalo odalwe yilesi zinambuzane. Enye indlela esetshenziswayo njengamanje ukusebenzisa izibulala-zinambuzane. Kodwa-ke, ukusetshenziswa kwama-insecticides kungaholela ekuthuthukisweni kokumelana nezinambuzane, kanye nemiphumela eyingozi ezintweni ezingahlosiwe.
Enye indlela yokulawula eye yabonisa isithembiso ukusetshenziswa kwezinto eziphilayo ezifana neminyovu yama-parasitoid. Le minyovu izalela amaqanda ayo emaqandeni noma ezibungwini ze-weevil, okubangela ukuba zife. Le ndlela ihambisana nemvelo futhi ayinayo imiphumela elimazayo ezintweni ezingahlosiwe.
Enye indlela yokulawula i-seedpod weevil yeklabishi ukusetshenziswa kwemikhuba yamasiko. Lokhu kuhlanganisa ukujikeleziswa kwezitshalo, ukutshala izinhlobo ezimelana nokutshala, nokuvuna ngesikhathi. Le mikhuba inganciphisa inani le-weevil futhi inciphise umonakalo obangelwa izinambuzane.
Sengiphetha, ukuthuthukiswa kwezinyathelo ezisebenzayo zokulawula i-weevil yeklabishi yembewu kubalulekile ukugcina isivuno se-canola nezinye izitshalo ze-cruciferous. Ukusetshenziswa kwama-ejenti okulawula izinto eziphilayo kanye nemikhuba yamasiko kungaba ezinye izindlela ezisebenzayo esikhundleni sokubulala izinambuzane. Ngokusebenzisa lezi zindlela, singanciphisa umonakalo obangelwa yilesi zinambuzane sibe sivikela imvelo.