Hawthorn - kyawawan babban malam buɗe ido, yana da hatsari mai guba na amfanin gona mai yawa. Ƙungiyoyin hawthorn suna lalata buds, buds da ganye na shuke-shuke. Caterpillars an fi gani a kan rosaceous: apple , pear, ceri, ceri, ceri plum, dutse ash, da kuma goro da inabi. Hawthorn yana yadu a ko'ina cikin Rasha, wanda aka samo a Yammacin Turai, gabas da Kudu maso gabas. Hakan na haifar da kwari yana faruwa a Yuni - Yuli - lokacin yanayi mai dumi da barci.
Harmfulness na hawthorn
Butterfly-hawthorn kanta ba zai lalata shuke-shuke, tun lokacin da ta ci nectar, amma caterpillars ne ainihin karin kwari da amfanin gona lambu. Kwararren mahalarci yana da jiki mai laushi tare da launin baki da launin ruwan kasa-orange 5 cm tsawon lokaci A cikin bazara, yayin bayyanar kodan, an zaba katako daga cikin tsari, inda suke cike hunturu, da fara cin abinci kumbura, kuma a nan gaba - buds da ganye. Caterpillars obblladyvayut leaf plate kusan gaba daya, barin a baya kawai veins na leaf.
A cikin makonni 1 - 2 bayan ƙarshen flowering, kullun tsuntsaye suna motsawa tare da itace ko sassan da ke kusa da itatuwan 'ya'yan itace, sun hada kansu zuwa cobwebs kuma suyi tsire-tsire. Bayan makonni 2, malam buɗe ido yana fitowa daga red, yana barin ruwa mai tsabta kamar kama da jini a madadin abin da aka makala. Kowace malamar malamai-hawthorn tana nuni da nau'in qwai 500 a kowace kakar, daga cikin kwanaki 15 da kullun, wanda ya halakar da launi, ya sake fitowa sosai. Winter caterpillars hawthorn a nests, crocheted daga ganye da kuma sanya tare da cobwebs.
Matakan tsaro akan hawthorn
Matsalar yadda za a magance hawthorn yana da muhimmanci ga manyan kamfanoni da masu mallakar gonar gonar masu zaman kansu. Bayan haka, bisa ga kididdigar, kashi 15% na ganye a kowace shekara sun rasa saboda lalacewar wadannan kwari. Musamman kwari suna aiki a cikin shekarun lokacin da yawan hazo da dama. Hanyar magance malam buɗe ido-hawthorn ne daban-daban, a hanyoyi da dama suna ƙaddara ta hanyar rayuwa ta kwari.
Hanyar hanya
Wannan hanyar magance kullun tsuntsaye suna dogara ne akan tarin da halakarwa a cikin hunturu da farkon spring daga cikin gida na kwari tare da hannayensu ko tare da taimakon mai laushi. A lokacin rani, girbin littattafan hawthorn butterflies da sassafe ko kuma lokacin faɗuwar rana daga tsire-tsire lokacin da suke amfani da shi. Haka kuma yana iya girgiza namomin caterpillars daga bishiyoyi a kan fim din baza.
Hanyar rayuwa
Tana jawo tsuntsayen kwari a cikin gidajen Aljannah, masu lambu suna taimakawa wajen halakar kwari. Saboda haka a cikin dusar ƙanƙara-sanyi da sanyi mai sanyi manyan tsuntsaye cire daga 75 zuwa 100% kullun hawthorn. Abokan da ke cikin magungunan caterpillars sune nau'i na mahayan da suke kwance a kansu. Ɗaya daga cikin abubuwan da aka tsara na kula da kwayar cutar ita ce yaki da weeds , tun lokacin da malam buɗe ido suke ciyar da nectar, lokacin da tsire-tsire ke girma.
Hanyar kaya
A cikin yaki da hawthorn, wannan matakan suna da tasiri kamar yadda a cikin lalata
Muhimmanci: bayan lokuta biyu ko uku na aiki, yawancin malamai-hawthorn sun rage a hanya.