Viburnum Leaf Irin ƙwaro

An shigo da shi daga cikin ƙananan Turai da Asiya na Viburnum (VLB), a farko a Arewacin Amirka a 1978, a cikin Ottawa-Hull na Kanada. Tun daga wannan lokacin, an yi amfani da ita zuwa kudancin Kanada a cikin US Viburnums a lokuta da yawa ana la'akari da tsire-tsire masu tsire-tsire, amma wannan sabon kwaro yana da kalubalen cewa zaton. VLB dangi ne mafi kusa da ƙwayar itatuwan Elm mafi yawan gaske kuma zai iya tsinkaye ganye daga tsire-tsire masu tsire-tsire.

Dukansu tsutsa da kuma girma a cikin ƙwayar ƙwayar abinci a kan ganyen viburnum, suna skeletonizing su a cikin wani ɗan gajeren lokaci kaɗan. Harshen infestations ba zai kashe tsire-tsire ba, amma cin zarafi na tsawon shekaru 2 - 3 zai iya zama m.

Mene ne Yayinda Viburnum Leaf Bone yake son?

Viburnum leaf beetles ne wajen bland neman wani m kwaro kuma za a iya sauƙin rasa. Manya suna da kimanin mita 1/4 cikin dari (4.5 zuwa 6.5 mm) da launin ruwan kasa mai laushi, kamar yadda ƙananan qwai suke. A larvae ne greenish-rawaya, da ɗan blending a tare da foliage. Suna girma zuwa kimanin ½ inch tsawo. Invasive.org yana da wasu manyan hotuna na matakai daban-daban na ƙwayar viburnum, wanda zai taimaka tare da ganewa.

Shin Viburnum Leaf Irin ƙwaro Ciwo A Dukkan Viburnum?

A halin yanzu, VLB yana da nau'o'in iri guda uku na tsirrai na viburnum:

• Yuroban Cranberry ( Viburnum opulus )
• Wayfaringtree viburnum ( Viburnum lantana )
• Rafinesque viburnum ( Viburnum rafinesquianum )

Viburnum Leaf Irin ƙwaro

A beetles overwinter kamar yadda qwai ajiye a cikin rassan. Suna kullun a watan Mayu kuma larvae suna ciyarwa akan sababbin ganye. Tun da sababbin fararen farawa sun kasance kadan, ana iya rasa alamun farko na rauni, kamar yadda lalacewa zai iya bayyana kamar ramukan ba ya fi girma fiye da ramuka. A cikin wata guda, skeletonizing zai yi wuya a rasa.

Yana buƙatar kimanin mako 8-10 don VLB ya tafi daga kwai zuwa babba.

Wani lokaci a watan Yuni, larvae zasuyi hanyar zuwa ƙasa, inda zasu shiga cikin ƙasa. A girma VLB fara a karshen ɓangare na Yuli kuma ci gaba da ciyar a kan viburnums. Mata na VLB zai iya sa albarkatu daga marigayi bazara zuwa na farko sanyi, wani lokaci har yawancin 500 a kowace kakar. Tana raye ramuka a cikin sabon ci gaban viburnum kuma ya sa qwai a kowace rami. Ana rufe ramuka tare da haɗuwa da tsumburai da ƙyama, yana sa su wuya su lura. Duk da haka, ana yin ramuka a cikin layi madaidaiciya a kan ƙananan ƙananan igiya.

Yadda za a Sarrafa lahani na Viburnum Labaran ƙwaro

Kari mafi kariya ga VLB shine shuka iri iri iri. Wadannan sun haɗa da wasu daga cikin wuraren da suka fi sani da viburnums, ciki har da:

• Doublefile viburnum ( Viburnum plicatum )
• Korean Spice viburnum ( Viburnum carlesii )
• Leatherleaf viburnum ( Viburnum rhytidophyllum )

Masanin Citizen na VLB na Cornell ya wallafa wadanda suka fi dacewa da iri iri don kaucewa ko saka idanu a hankali.

Idan kun riga kuna da viburnums a cikin wuri mai faɗi, ku kasance kusa da agogo. A farkon lokacin bazara, kafin qwai ya ƙulla a cikin watan Mayu, bincika kananan ƙwayoyi daga shekarun da suka gabata don samin ramuka da kuma suma.

Dama yanayin zafi zai sa ramukan ya kumbura kuma iyakoki na iya fadawa. Kuna buƙatar kwashe duk itatuwan da aka tsinke kafin ƙwayar ƙwai.

Wani sabon ganye zai fara budewa, duba bangarorin biyu na ganye don larvae kuma sake tsawa da halakar sassa da aka shuka. Kwayoyin magungunan ƙwayoyin magunguna sun fi tasiri yayin amfani yayin da larvae su matasa ne. Manya sukan tashi tashi ko sauko zuwa ƙasa lokacin da damuwa. Bincika tare da sabis na Ƙararku ta gida don maganin magungunan kashe qwari.