Rasberi flower irin ƙwaro

Rasberi Flower Beetle (Anthonomus rubi) babban kwaro ne na strawberries.

Wannan kwaro ne mai hatsarin gaske da ake samu lokacin girma strawberries da raspberries. Adult beetles (kimanin 4 mm a girman, baki tare da haske launin toka gashi) overwinter a cikin amfanin gona sharan gona ko a cikin ƙasa. A cikin bazara (kafin da farkon flowering) a zazzabi na 12⁰C, takin yana farawa. Alamomin farko na ƙananan abinci na weevil sune ƙananan ramukan oval (1-2 mm a diamita) akan ganye. Kafin buds a cikin inflorescences su buɗe (kimanin makonni 2 kafin fure), matan suna yin ƙwai a cikin buds ɗin da ba a haɓaka ba sannan kuma su ciji ta hanyar peduncle. Toho daya yana dauke da kwai daya. Kowace mace tana yin ƙwai har 60 kuma tana lalata adadin furanni iri ɗaya, wanda ya fara bushewa, ya rataya a kan shuka, kuma a ƙarshe ya bushe ya faɗi ƙasa. Duk ci gaban tsutsa yana faruwa a cikin bushewa toho. Ci gaba yana ɗaukar har zuwa makonni 3. A cikin lokuta na lokaci-lokaci, rasberi weevil na iya lalata har zuwa 80% na buds a duk faɗin shuka, yana haifar da asarar yawan amfanin ƙasa. ƙarni na biyu na beetles ya bayyana a ƙarshen Yuni, yana ciyar da ganye don kwanaki da yawa, sa'an nan kuma ya fita don hunturu. Matsakaicin cutarwa (watau buƙatun kulawa da tsire-tsire) na wannan kwaro kafin fure shine 1 babba a cikin inflorescences 200.

Strawberry

- kafin flowering (bude buds): bayan lura da farkon lalacewa ganye (ramuka) ko buds rataye a kan cizon peduncle, - a farkon flowering (bayan ci gaban na farko furanni) bayan lura da girgiza kashe inflorescences ta manya. beets.