Yuav Ua Li Cas Thiab Yuav Kho Tus Mob Pear Xeb Li Cas?

2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40

Ib lub vaj zaub zoo yog tus yuam sij rau kev sau qoob loo zoo ntawm cov txiv hmab txiv ntoo thiab txiv hmab txiv ntoo. Tab sis, hmoov tsis, tsob ntoo thiab ntoo feem ntau raug rau ntau yam kab mob, pear tsis muaj qhov tshwj xeeb. Cov kab mob feem ntau thiab txaus ntshai yog suav tias yog xeb. Yog tias koj pom cov pob liab liab thiab nthuav tawm ntawm lub paj ntoo, nws tau pib poob qis ua ntej, uas txhais tau tias koj txiv pear xav tau kev kho mob sai! Yuav ua li cas thiab yuav pab tsob ntoo li cas?

Qhov laj thawj tseem ceeb rau qhov pom

Tus neeg sawv cev ntawm tus kab mob yog cov kab mob hu ua Gymnosporangium sabinae. Tab sis qhov tshwj xeeb nyob hauv qhov tseeb tias nws xav tau ob tus tswv ib zaug rau kev txhim kho thiab kev tsim dua tshiab, uas yog, pear nws tus kheej thiab juniper nws tus kheej. Los ntawm txoj kev, xeb yog kab mob uas cuam tshuam tsis tsuas yog pears. Nws raug rau kua, quince, honeysuckle, hawthorn thiab lwm yam txiv hmab txiv ntoo thiab txiv hmab txiv ntoo. Tsis tas li, tus kab mob tuaj yeem cuam tshuam rau cov nplej, txiv hmab txiv ntoo thiab paj qoob loo.

Cov pwm hibernates ntawm juniper, thiab nrog qhov pib sov, nrog kev pab los ntawm cua, cov kab mob txav mus rau pear. Qhov thib ob, los ntawm txoj kev, tsis yog qhov kawg txuas hauv kev tsim cov kab mob pathogenic. Ntxiv mus, txawm hais tias koj cog juniper nyob rau lwm lub ces kaum ntawm qhov chaw, nws yuav tsis muaj peev xwm tiv thaiv pear, vim tias cov spores tuaj yeem thauj mus los ntev. Los ntawm ob peb meters mus rau ntau kaum tawm kilometers. Yog li ntawm xyoo mus rau xyoo. Thiab yog tias feem ntau cov fungus tsis hibernate ntawm pear, tom qab lub caij ntuj sov sov nws yog qhov ua tau. Cov kab mob pathogenic tsuas yog tsis khov tawm, txuas ntxiv mus thoob plaws lub vaj.

Cov tsos mob ntawm tus kab mob yog dab tsi?

Thawj cov tsos mob yog xim daj -txiv kab ntxwv ntawm cov duab puag ncig, uas feem ntau tshwm sim tam sim tom qab paj, hauv thaj tsam sib txawv hnub sib txawv - Plaub Hlis, Tsib Hlis. Maj mam, tus kab mob cuam tshuam rau lub petioles ntawm cov nplooj, thiab qee zaum cov txiv hmab txiv ntoo. Kwv yees li ntawm thawj lossis kaum ob xyoo ntawm Lub Xya Hli, cov xim av, npog nrog cov xim dub, tsim rau ntawm cov nplooj ntoo, thiab los ntawm lub caij nplooj zeeg tib yam loj tuaj-tshuab raj tau tsim nyob tom qab ntawm nplooj. Lawv yog cov uas nqa ntau qhov kev tsis sib haum xeeb.

Yuav ua li cas thiab nrog dab tsi los kho?

Ua ntej tshaj plaws, nws yuav tsum tau sau tseg tias ob qho qoob loo xav tau kev kho mob - txiv pear thiab juniper. Alas, kab mob juniper tuaj yeem raug hu ua mob ntev, nws txoj kev kho tsuas yog tshem tawm thiab hlawv cov ceg muaj mob. Tab sis koj tuaj yeem sib ntaus rau kev noj qab haus huv ntawm pear. Thiab txoj hauv kev tseem ceeb tshaj plaws los tawm tsam yog tiv thaiv nws! Lub sijhawm muaj kev phom sij rau cov kab mob yog lub caij nplooj ntoo hlav sov, tom qab ntawd cov kab mob kis thoob plaws qhov chaw.

Txog lub sijhawm pear ploj mus, nws yog qhov tsim nyog kho nws nrog Bordeaux kua lossis tooj liab oxychloride, uas yog, kev npaj uas muaj tooj liab. Lawv yuav tiv thaiv kom tsis txhob kis kab mob yog tias lawv twb tsoo lub txiv pear. Nws yog ib qho tseem ceeb kom ua tiav ob peb zaug - thaum lub paj tawg, tom qab tawg paj, tom qab 10-12 hnub.

Yog tias koj tsis tau tswj kom ua tiav cov txheej txheem thaum lub sijhawm hloov pauv ntawm cov kab mob thiab mycelium twb tau tsim nyob rau saum npoo ntawm nplooj, koj yuav tsum tau siv cov phom loj dua. Nws tuaj yeem yog cov tshuaj tua kab, xws li Skor, Horus, Oksikhom, Raek, Topaz thiab lwm yam. Kev npaj ua kom qhuav thiab ua cov pears yuav tsum nruj me ntsis raws li cov lus qhia. Nws yog ib qho tseem ceeb yuav tsum tau coj mus rau hauv tus lej tias qhov nruab nrab ntawm kev ua ntawm fungicides yog 18-20 hnub, yog li 4-5 kev kho mob yuav tsum tau ua txhua lub caij. Tab sis tsis yog txhua yam tshuaj tuaj yeem siv tau ntau zaus! Qee tus ntawm lawv, zoo li Revus, tuaj yeem siv tau ib zaug ib lub caij xwb.

Nrog qhov pib ntawm lub caij nplooj zeeg, nws yog ib qho tseem ceeb kom rov kho nrog kev npaj muaj tooj liab - Bordeaux kua lossis tooj liab oxychloride. Kev kho nrog hlau sulfate kuj tseem muaj txiaj ntsig, tab sis nws yuav tsum tau nqa tawm thaum lub Cuaj Hlis lig - thaum ntxov Lub Kaum Hli. Txij li cov kab mob muaj peev xwm hibernating hauv tsob ntoo khib nyiab, nws yog qhov tsim nyog los sau tag nrho cov nplooj ntoo hauv lub caij nplooj zeeg thiab hlawv nws. Nws tsis yooj yim sua kom siv cov ntoo xeb xeb hauv cov chiv, vim tias muaj peev xwm tiv thaiv cov kab mob fungi tau siab heev.