2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40
Alfalfa nplooj weevil yog yuav luag txhua qhov chaw thiab ua rau puas tsuaj rau tsiaj qus thiab cog alfalfa. Cov kab zawv zawg qhov nyob rau hauv cov kua txiv hmab txiv ntoo nrog qab los noj mov thiab noj alfalfa nplooj los ntawm cov ntug. Sai li sai tau tsim cov ceg ntoo ib sab pib ntawm alfalfa, lawv yuav pib pub rau lawv saum, noj tawm ntau qhov hauv cov cai. Feem ntau, kev raug mob los ntawm kab yog tsis tseem ceeb - qhov kev puas tsuaj loj rau alfalfa yog tshwm sim los ntawm cov kab phem, thaum xub thawj pub mis rau cov menyuam yaus me. Tom qab qee lub sijhawm, lawv pib rhuav tshem lub hauv paus ntawm cov qia, cov hauv paus thiab cov tub ntxhais hluas cov nplooj tsis zoo, nrog rau ntuav tawm oblong qhov ntawm nplooj. Thiab cov laus larvae gnaw los ntawm cov qia nrog inflorescences. Lub zes qe menyuam ntawm cov nroj tsuag tawm tsam los ntawm alfalfa nplooj weevils qhuav, thiab cov nroj tsuag lawv tus kheej tau pleev xim rau hauv cov xim grey
Ntsib kab tsuag
Alfalfa nplooj weevil yog kab uas nws lub cev nce mus txog 4-5 mm ntev. Lub pronotum ntawm cov kab mob cab no me ntsis nqaim dua li lawv cov elytra, thiab lawv ob sab pom tau tias nthuav tawm. Lub elytra ntawm cov kab mob muaj teeb meem tau tuab dorsally thiab tau txais txiaj ntsig nrog yuav luag sib luag humeral tubercles, thiab cov xim dub scutellum tau hais meej meej. Qhov nruab nrab ntawm qhov chaw thib rau ntawm elytra tau tsaus me ntsis, thiab cov plaub hau npog lawv yog li 2 - 2, 5 zaug ntev dua li cov nplai.
Loj hlob mus txog 10 - 12 hli nyob rau qhov ntev, ntsuab tsis muaj kab ntsig zoo ib yam li kab ntsig. Lawv txav mus los nrog kev pab los ntawm cov quav ciab zoo li nthuav tawm. Tag nrho lub cev ntawm cov kab menyuam tau npog nrog cov plaub mos mos thiab cov tsaus nti, thiab nqaim kab txaij daj-dawb ua rau lawv qab.
Beetles feem ntau overwinter nyob rau thaj tsam ntawm tseb alfalfa. Lawv kuj tsis quav ntsej thaj chaw nrog cov tsiaj qus ntawm cov kab lis kev cai no. Yellow alfalfa tshwj xeeb tshaj yog txaus nyiam rau lawv. Thiab cov kab dag rau lub caij ntuj no txawm nyob hauv qhov seem ntawm cov nroj tsuag, lossis hauv cov av txheej sab saud. Sai li huab cua kub tshaj kaum ob degrees, lawv pib ua haujlwm. Raws li txoj cai, kab yoov tshwm nyob rau hauv cov teb nrog qhov pib ntawm lub caij cog qoob loo ntawm alfalfa. Cov kab mob phem ua rau lub qhov thiab zawj hauv cov ntoo. Sai li qhov siab ntawm cov qoob loo loj tuaj txog tsib centimeters (hauv hav zoov-steppe, qhov no feem ntau tshwm sim ze rau thaum pib lub Tsib Hlis), cov poj niam pib nteg qe. Feem ntau, lawv tso lawv nyob hauv nruab nrab ntawm cov qia tseem ceeb lossis cov ceg ntoo. Feem ntau, ib qho oviposition muaj ntawm ob thiab peb caug qe. Thiab tag nrho kev yug menyuam ntawm poj niam yog qhov siab kawg thiab mus txog ob thiab ib nrab txhiab qe.
Cov txheej txheem tso qe feem ntau siv sijhawm ntau dua ib hlis. Qhov no yog qhov laj thawj rau qhov pom ntawm cov hnub nyoog tsis sib xws ntawm cov zaub. Thiab kev txhim kho qe siv sijhawm nruab nrab ntawm kaum txog kaum tsib hnub. Cov larvae hatched los ntawm lawv pub rau kaum rau rau nees nkaum-ob hnub. Tom qab lub sijhawm no, lawv cov menyuam kawm ntawv nyob rau hauv pob tshab pob tshab nyob hauv nruab nrab ntawm paj nrog nplooj, thiab rau qhov no lawv mloog zoo feem ntau nyob rau saum cov nroj tsuag. Cov menyuam kawm ntawv nyob ntev li ntawm xya mus rau kaum ob hnub, tom qab uas cov yoov tawm los ntawm pupae tseem nyob hauv cocoons li ob lossis peb hnub - txog thaum lawv cov tawv nqaij tawv.
Cov kab tshiab tiam tshiab feem ntau sim nyob hauv nruab nrab ntawm alfalfa stalks, ze ntawm lub hauv paus caj dab. Txawm li cas los xij, qhov no tsis yog qhov chaw ntawm lawv qhov kev txav mus los - koj tuaj yeem pom cov kab mob tsis zoo nyob hauv qhov seem ntawm cov nroj tsuag. Thiab pib thaum lub Cuaj Hli, lawv pib maj mam mus rau qhov chaw uas muaj caij ntuj no. Feem ntau, kev tsim cov kab phem phem siv sijhawm nees nkaum cuaj mus rau plaub caug yim yim hnub. Tsuas yog ib tiam ntawm cov cab no muaj sijhawm los tsim kho hauv ib xyoos.
Yuav ua li cas sib ntaus
Cov kev tiv thaiv tseem ceeb tiv thaiv alfalfa nplooj weevils yog disking ntawm tuab heev alfalfa cov qoob loo, nrog rau lawv cov khawb kom txog thaum lawv loj hlob hauv ob kab.
Nyob rau hauv cov ntaub ntawv ntawm qhov pom ntawm voracious larvae ntawm theem ntawm kev loj hlob ntawm stalks, alfalfa yuav tsum tau txiav. Thiab yog tias rau txhua txhua ib pliag ntawm net muaj nees nkaum rau peb caug larvae lossis tsib rau yim kab, tom qab ntawd lawv txav mus rau kev kho tshuaj tua kab.
Pom zoo:
Vicious Currant Raum Mite
Currant lub raum mite tsim tshwj xeeb rau sab hauv currant buds (feem ntau yog dub, liab thiab dawb currants tau puas los ntawm kab tsuag no ntau zaus tsawg dua), ua rau lawv loj hlob sai thiab tom qab deformation. Feem ntau hauv ib lub raum tau tawm tsam los ntawm lawv, los ntawm peb txog yim txhiab tus neeg laus kab, nrog rau lawv cov kab menyuam, sib sau ua ke. Deformed buds yuav luag tsis muaj paj thiab qhuav tawm sai sai, uas nyob rau hauv lem txhawb rau ib tug ntse txo nyob rau hauv tawm los
Tsis Txaus Siab Carrot Leaf Flea
Cov zaub ntug hauv paus zaub, tseem hu ua zaub ntug hauv paus zaub, yuav luag txhua qhov txhia chaw. Cov kab mob gluttonous no tshwj xeeb heev hauv cov cheeb tsam roob. Thiab qhov ntau ntawm lawv qhov kev nyiam saj suav nrog ntau yam kev coj noj coj ua hauv kaus. Cov tib neeg muaj tis, nrog rau cov kab menyuam thiab me ntsis tsawg dua nymphs nqus tag nrho cov kua txiv hmab txiv ntoo los ntawm cov nplooj ntoo me. Cov nplooj tawm tsam los ntawm cov cab tsis zoo ua rau deformed, thiab yog tias kev puas tsuaj yog qhov tseem ceeb, tom qab ntawd cov nplooj feem ntau tuag tawm
Vicious Red-winged Hawthorn Tubewer
Cov yeeb nkab liab-hawthorn-worm ua rau muaj kev phom sij tsis yog rau hawthorns-lawv feem ntau ua kev zoo siab rau pears nrog cov ntoo txiv ntoo, thiab cov txiv ntoo qab zib nrog txiv ntoo qab zib. Thiab me ntsis tsawg zaus, nws tuaj yeem ua rau plums, rowan thiab blackthorn. Cov kab mob phem no yog qhov txaus ntshai nyob rau lub sijhawm lawv pub mis lawv qhia cov kab mob ntawm cov txiv hmab txiv ntoo uas puas rau hauv cov txiv hmab txiv ntoo. Cov neeg laus muaj kev phom sij tshwj xeeb, yog li nws yog qhov tseem ceeb heev kom tshem tawm lawv hauv lub sijhawm
Vicious Strawberry Blackspot Sawfly
Cov txiv hmab txiv ntoo pom dub pom nyob hauv txhua cheeb tsam ntawm peb lub tebchaws thiab ua rau tsis puas tsuas yog txiv pos nphuab, tab sis kuj tseem sawv nrog sawv duav, txiv pos nphuab thiab, tsawg dua me ntsis, raspberries. Cov kab menyuam ntawm cov cab no raug suav tias yog teeb meem tshwj xeeb: cov menyuam yaus ua haujlwm nquag ua pob txha ua kua los ntawm sab qis, cov neeg nyob nruab nrab gnaw ntau qhov hauv nplooj, thiab cov menyuam hnub nyoog tom qab, ntxiv rau txhua yam, gnaw strawberry nplooj nrog ntug Hluas
Vicious Beet Miner Ya
Lub beet miner ya lub neej cia nyob qhov twg beets loj hlob. Cov scoundrels no tshwj xeeb tshaj yog nyob rau sab hnub poob hav zoov-steppe. Ntxiv nrog rau beets, nws cov saj suav nrog zaub ntsuab, quinoa, dope thiab henbane. Kab tsuag no yog qhov txaus ntshai nyob rau hauv ib lub caij nws tuaj yeem muab tau los ntawm ob txog plaub tiam - pes tsawg tiam neeg feem ntau yog nyob ntawm huab cua huab cua thiab nyob ntawm chaw nyob ntawm cov kab mob gluttonous. Lawv qhov kev tsim tawm ntau yog tshwj xeeb tshaj yog nyiam sov thiab txaus
