Leafroller Control - Yuav Ua Li Cas Tiv Thaiv Strawberry Leafrollers

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Leafroller Control - Yuav Ua Li Cas Tiv Thaiv Strawberry Leafrollers
Leafroller Control - Yuav Ua Li Cas Tiv Thaiv Strawberry Leafrollers

Video: Leafroller Control - Yuav Ua Li Cas Tiv Thaiv Strawberry Leafrollers

Video: Leafroller Control - Yuav Ua Li Cas Tiv Thaiv Strawberry Leafrollers
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Yog tias koj tau pom cov nplooj tsis pom zoo lossis kab ntsig noj ntawm koj cov nroj tsuag strawberry, ces koj tuaj yeem hla cov nplooj strawberry. Yog li dab tsi yog strawberry leafrollers thiab yuav ua li cas koj khaws lawv ntawm bay? Mus nyeem ntawv kom paub ntau ntxiv txog kev tswj cov ntawv yob.

Dab tsi yog Strawberry Leafrollers?

Strawberry leafrollers yog kab ntsig me uas noj cov txiv pos nphuab thiab nplooj ntoo. Thaum lawv pub rau ntawm nplooj, kab ntsig dov lawv thiab khi lawv ua ke nrog lo lo ntxhuav. Txij li thaum lawv noj feem ntau ntawm cov nroj tsuag lwj, lawv cov kev coj noj coj ua tsis cuam tshuam rau cov txiaj ntsig lossis txo cov nroj tsuag lub zog, tab sis cov nplooj nplooj tsis pom zoo.

Kev tswj xyuas cov kab laug sab muaj txiaj ntsig zoo tshaj plaws thaum cov kab ntsig tseem hluas. Txhawm rau ntes lawv thaum ntxov, saib rau cov neeg laus npauj, uas yog 1/4 txog 1/2 nti (6-13 mm.) ntev thiab sib txawv nyob ntawm seb hom tsiaj. Feem ntau yog xim av los yog buff-xim nrog cov cim tsaus. Cov kab ntsig yog qhov sib luag thiab txog 1/2 nti (13 mm.) ntev nrog lub cev ntsuab xim av thiab lub taub hau tsaus.

Cov kab me me me nyiam nyob hauv nplooj thiab txiv hmab txiv ntoo hauv qab cov nroj tsuag, yog li koj tsis pom lawv mus txog thaum puas tsuajua tiav thiab kho mob nyuaj.

Strawberry leafrollers suav nrog ntau hom tsiaj hauv tsev neeg Tortricidae, suav nrog farden tortrix (Ptycholoma peritana), lub teeb xim av kua txob (Epiphyas postvittana), txiv kab ntxwv tortrix (Argyrotaenia franciscana), thiab kua pandemis (Pandemis pyrusana). Cov laus ntawm qee hom tuaj yeem pub rau cov txiv hmab txiv ntoo, tab sis qhov kev puas tsuaj tseem ceeb yog los ntawm kev pub larvae. Cov kab uas tsis yog haiv neeg no tau raug yuam los ntawm Tebchaws Europe txog 125 xyoo dhau los thiab tam sim no pom thoob plaws hauv Teb Chaws Asmeskas

Strawberry Leafroller Damage

Thaum tseem hluas, cov kab ntsig strawberry leafroller ua haujlwm hauv lub vaj, rhuav tshem cov khib nyiab hauv qab cov nroj tsuag thiab rov ua dua tshiab rau hauv cov khoom noj uas pub cov nroj tsuag. Raws li ripening txiv hmab txiv ntoo los ntawm kev sib cuag nrog nplooj litter, kab ntsig yuav pib zom qhov me me hauv lawv. Lawv kuj tsim cov vaj tse los ntawm dov nplooj thiab khi lawv ua ke nrog cov kab lo lo ntxhuav. Cov pej xeem tseem ceeb tuaj yeem cuam tshuam nrog kev tsim cov neeg khiav dej num.

Yuav ua li cas tiv thaiv Strawberry Leafrollers

Siv nplooj ntoos tshuab kom tshem tawm cov khib nyiab hauv qab cov txiv pos nphuab uas cov larvae thiab pupa overwinter. Bacillus thuringiensis thiab spinosad sprays yog ob qho tib si zoo hauv kev kho cov menyuam yaus. Cov no yog cov tshuaj tua kab organic uas muaj kev cuam tshuam tsawg kawg rau ib puag ncig. Thaum lawv pib nkaum hauv dov-up nplooj, txiav tawm cov nplooj cuam tshuam thiab rhuav tshem lawv.

Nyeem thiab ua raws li cov lus qhia ntawm cov tshuaj tua kab kom zoo thiab xyuas kom meej tias lawv tau sau npe rau kev siv ntawm strawberries thiabnplooj ntawv. Khaws ib feem ntawm cov tshuaj tua kab uas tsis siv rau hauv lawv lub thawv qub thiab tawm ntawm cov menyuam yaus.

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