2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Pecans yog cov ntoo zoo nkauj, loj deciduous ntoo hauv tsev neeg Juglandaceae zus raws li cov ntoo ntxoov ntxoo thiab rau lawv cov noob taum qab (txiv ntseej). Muaj hwj chim raws li lawv zoo li, lawv muaj lawv feem ntawm tus mob maladies, ib qho ntawm cov kab mob plab rau ntawm tsob ntoo pecan. Dab tsi yog cov tsos mob ntawm tsob ntoo pecan nrog lub zais zis, thiab puas muaj txoj hauv kev los tiv thaiv pecan crown gall? Nyeem rau kom paub txog pecan crown gall control.
Pecan Crown Gall yog dab tsi?
Yuav ua li cas rau ntawm ib tsob ntoo pecan yog tshwm sim los ntawm cov kab mob kab mob. Nws tau pom thoob plaws ntiaj teb thiab ua rau muaj kev cuam tshuam rau ob qho tib si ntoo thiab cov nroj tsuag uas muaj ntau tshaj 142 genera nyob rau hauv 61 cov tsev neeg sib cais.
Cov nroj tsuag muaj kab mob hauv lub zais zis dhau los ua stunted thiab qaug zog thiab raug mob rau lub caij ntuj no thiab lwm yam kab mob. Cov kab mob kis rau tsob ntoo los ntawm cov kab mob los ntawm kab, grafting thiab cultivation thiab tej zaum yuav tsis meej pem nrog rau lwm yam kev loj hlob los ntawm fungi, kab mob los yog lwm yam kab mob.
Cov tsos mob ntawm tsob ntoo Pecan nrog Crown Gall
Cov kab mob no hloov cov nroj tsuag ib txwm rau hauv cov qog hlwb uas ua rau cov kab mob loj hlob zoo li wart, lossis galls. Thaum xub thawj, cov kev loj hlob no yog dawb mus rau nqaij toned, mos thiab spongy. Raws li lawv vam meej, cov nogalls ua corky, ntxhib thiab tsaus hauv xim. Cov kev loj hlob tshwm sim ntawm lub cev, lub kaus mom thiab cov hauv paus hniav nyob ze ntawm cov kab av thiab cov ceg ntawm lub sijhawm.
Cov qog yuav lwj thiab slough tawm thaum cov qog nqaij hlav tshiab tsim nyob rau lwm qhov chaw ntawm tib lub gall. Cov qog hlav rov tshwm sim dua nyob rau tib qhov chaw txhua xyoo thiab cov qog nqaij hlav thib ob kuj tsim. Cov kab mob sloughed tawm muaj cov kab mob, uas tom qab ntawd rov ua dua rau hauv cov av uas nws muaj peev xwm ciaj sia nyob hauv av tau ntau xyoo.
Raws li tus kab mob no zuj zus, tsob ntoo tsis muaj zog thiab nplooj tuaj yeem tig daj raws li cov qog cuam tshuam cov dej ntws thiab cov as-ham. Cov kab mob hnyav tuaj yeem khi tsob ntoo lub cev, ua rau tuag taus. Cov ntoo muaj kab mob no ua rau muaj kev raug mob rau lub caij ntuj no thiab kev nyuaj siab.
Pecan Crown Gall Control
Thaum lub pecan kis tus kab mob hauv plab, tsis muaj txoj hauv kev los tswj. Tiv thaiv pecan crown gall yog tib txoj kev tswj hwm. Tsuas yog cov nroj tsuag tsis muaj kab mob, tsob ntoo noj qab haus huv thiab zam kev puas tsuaj tsob ntoo.
Kev tswj kev lom neeg muaj nyob rau hauv daim ntawv ntawm cov kab mob antagonistic, A. radiobacter strain K84, tab sis nws tsuas yog siv tau los tiv thaiv vim nws yuav tsum tau siv rau cov hauv paus hniav ntawm cov ntoo noj qab haus huv ua ntej cog.
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