Cherry Leaf Spot Treatment - Yuav Ua Li Cas Ua Tau Spots On Cherry Leaves

Cov txheej txheem:

Cherry Leaf Spot Treatment - Yuav Ua Li Cas Ua Tau Spots On Cherry Leaves
Cherry Leaf Spot Treatment - Yuav Ua Li Cas Ua Tau Spots On Cherry Leaves

Video: Cherry Leaf Spot Treatment - Yuav Ua Li Cas Ua Tau Spots On Cherry Leaves

Video: Cherry Leaf Spot Treatment - Yuav Ua Li Cas Ua Tau Spots On Cherry Leaves
Video: Complying with Pesticide Laws and Regulations in California Modules 1-9 (Hmong) 2024, Kaum ib hlis
Anonim

Cherry nplooj ntoos feem ntau suav hais tias yog kab mob ntawm kev txhawj xeeb tsawg, txawm li cas los xij, thaum mob hnyav nws tuaj yeem ua rau defoliation thiab tsis ua haujlwm ntawm cov txiv hmab txiv ntoo. Nws feem ntau tshwm sim ntawm tart cherry qoob loo. Cherry nplooj nrog me ntsis yog thawj cov tsos mob, tshwj xeeb tshaj yog nyob rau nplooj tshiab. Cov pob ntawm cherry nplooj yog yooj yim rau confuse nrog ob peb lwm yam kab mob fungal. Paub tias cov cim qhia yog dab tsi thiab ua raws li kev kho mob thaum ntxov tuaj yeem pab txuag koj cov qoob loo.

Paub Txog Cherry Leaf Spot Disease

Cherry lub caij yog lub sijhawm zoo siab ntawm lub xyoo nrog pies thiab khaws cia cov txiaj ntsig ntawm kev sau qoob loo zoo. Nplooj nplooj ntawm cherry tuaj yeem qhia txog kab mob uas tuaj yeem cuam tshuam qhov txiaj ntsig. Dab tsi ua rau cherry nplooj? Feem ntau cov kab mob hu ua Blumeriella jaapii, ib zaug hu ua Coccomyces hiemali. Nws tshwm sim nyob rau lub caij ntuj nag hnyav heev.

Tus kab mob thawj zaug tshwm rau saum cov nplooj. Cov pob ntawm cherry nplooj yuav ntsuas 1/8 mus rau 1/4 nti (.318 txog.64 cm.) inch. Cov kab mob fungal no ntawm cov ntoo cherry yog ncig thiab pib li liab mus rau ntshav hauv lub suab. Raws li tus kab mob tshwm sim, cov pob khaus ua xim av kom xim av tag nrho thiab pib tshwm rau ntawm cov nplooj hauv qab.

Dawbdowny cov ntaub ntawv tshwm nyob rau hauv qhov chaw ntawm qhov chaw, uas yog cov spores ntawm fungus. Cov spores tuaj yeem tso tawm, ua qhov me me hauv cov nplooj.

Cov kab mob fungi overwinter ntawm cov nplooj poob. Nyob rau hauv qhov sov sov ntawm lub caij nplooj ntoos hlav nrog cov dej nag, cov fungi pib loj hlob thiab tsim spores. Cov no yog kis los ntawm cov nag los nag thiab cua mus rau hauv av ntawm nplooj ntoo uas tsis muaj kab mob.

Kub uas txhim khu kev tsim cov kab mob yog nyob nruab nrab ntawm 58 thiab 73 F. (14-23 C.). Tus kab mob no tawm tsam lub stomata ntawm nplooj, uas yog tsis qhib kom txog thaum cov hluas nplooj unfurl. Tom qab ntawd cov pob tuaj yeem tshwm hauv 10 mus rau 15 hnub tom qab nplooj tau kis tus kab mob. Lub sijhawm nruab nrab ntawm lub Tsib Hlis thiab Lub Rau Hli yog thaum tus kab mob kis tau zoo tshaj plaws.

Cherry Leaf Spot Treatment

Thaum koj muaj cov nplooj cherry nrog me ntsis, kev tswj zoo tshaj plaws yog teeb tsa kev tiv thaiv rau lub caij tom ntej. Cov tshuaj tua kab mob tsis zoo heev thaum tsob ntoo muaj nplooj puv thiab ntau cov nplooj tau kis.

Pib tshem tawm thiab rhuav tshem cov nplooj poob ntawm lub hauv paus. Cov no muaj cov spores uas yuav dhau lub caij ntuj no thiab kis mus rau lwm lub caij nplooj ntoos hlav tshiab. Hauv cov xwm txheej hauv vaj teb, qhov kev xaiv zoo tshaj plaws yuav yog txiav cov nplooj poob los txiav lawv thiab maj mam composting.

Xyoo tom ntej, thaum ntxov ntawm lub caij nyoog ib yam li nplooj pib tawg, siv tshuaj tua kab mob xws li chlorothalonil. Siv qhov kev kho mob ntawm cov nplooj ntoo cherry no vim cov nplooj pib tawg thiab rov qab ob lub lis piam tom qab tawg paj los tiv thaiv kab mob kev loj hlob thiab txuag koj cov qoob loo ntawm glossy, muaj kua txiv hmab txiv ntoo.

Pom zoo: