2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Koj puas cog pecans? Koj puas tau pom cov teeb meem nrog cov txiv ntoo poob ntawm tsob ntoo thaum lub caij ntuj sov tom qab pollination? Cov ntoo txiv ntoo tuaj yeem cuam tshuam los ntawm pecan qia kawg blight, kab mob koj yuav xav tau ua ntej ua ntej tag nrho cov qoob loo ploj.
About Pecans with Stem End Blight
Cov kab mob no feem ntau tawm tsam thaum dej theem ntawm kev loj hlob thiab kev loj hlob. Yog tias koj saib sab hauv ua ntej lub plhaub daim ntawv, koj yuav pom cov kua xim av uas tsis yog txhua yam qab los. Tsis yog tag nrho cov txiv ntoo yuav raug cuam tshuam, tab sis txaus tias koj cov qoob loo tuaj yeem txo qis. Sunken, dub, ci ntsa iab tshwm sim thiab kis mus rau lub shuck, qhov tshwm sim ntawm qia kawg blight ntawm pecans.
Tus kab mob Botryosphaeria dothidea xav tias kis los ntawm kab thaum lawv noj cov txiv ntoo. Pecans nrog qia kawg blight yog qee zaum pom nyob rau hauv pawg uas lwm cov txiv ntoo tab tom tsim ib txwm.
Stem End Blight kho hauv Pecans
Txoj kev kho mob blight tsis yog ib txwm ua tau zoo thiab qee zaum tsis ua haujlwm txhua. Foliar fungicide kho qee zaum tuaj yeem tau txais cov kab mob los ntawm kev tswj hwm tab sis yog qhov zoo tshaj plaws siv rau lub caij ntuj no los tiv thaiv thiab txuag koj cov qoob loo tag nrho. Kev tswj lub caij ntuj sov tsis tshua tshem tawm qia kawg blight tab sis tuaj yeem qeebnws down. Cov tshuaj tsuag nrog benomyl-hom fungicide pom tau ua haujlwm zoo tshaj plaws.
Kev saib xyuas kom zoo ntawm koj cov ntoo pecan yog qhov zoo tshaj plaws los tiv thaiv kev tawm tsam xws li qhov no thiab los ntawm lwm yam kab mob thiab kab mob. Koj tuaj yeem cog cov ntoo tiv taus kab mob thaum hloov cov ntoo hauv lub vaj. Ua kom cov ntoo noj qab haus huv los ntawm kev muab cov kua dej zoo thiab siv cov tshuaj tua kab mob kom tsim nyog rau lub sijhawm. Qhov no txo qis susceptibility ntawm koj cov ntoo rau pecan qia kawg blight. Qhov sib nrug ntawm cov ntoo kom deb txaus kom muaj huab cua zoo yog qhov tseem ceeb hauv kev zam cov kab mob thiab. Thiab, dua, ua kom tsim nyog txau kom koj cov ntoo muaj txiaj ntsig tiv thaiv txhua yam kab mob, kab mob, thiab kab mob.
Tsis txhob cuam tshuam cov txiv hmab txiv ntoo poob los ntawm qia kawg blight ntawm pecan nrog rau lwm yam teeb meem uas ua rau cov txiv ntoo poob ntawm tsob ntoo ntxov ntxov, xws li shuck dieback on Success and Success hybrids.
Pom zoo:
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