Ntsuab dos

Cov dos ntsuab tau cog rau ntau pua xyoo hauv ntau hom thiab tsim tawm thoob ntiaj teb. Tuam Tshoj yog tus tsim khoom tseem ceeb. Cov dos ntsuab feem ntau hu ua bunched los yog caij nplooj ntoos hlav dos, zaub xam lav dos, los yog scallions. Each refers to a densely planted, mild flavored, immature bulb onion of the commonAllium pabhom.

Ntau yam ntawm cov cultivars niaj hnub no yog hybrids ntawmAllium pabthiabAllium fistulosum(Ib qho Japanese bunching dos), uas tuaj yeem tsim cov noob los yog cov nroj tsuag tsis muaj noob. Hnub-ntev (luv-hnub lossis ntev-hnub ntau yam nyob ntawm cov sij hawm ntawm hnub ci) cuam tshuam rau kev loj hlob, xws li kev loj hlob thiab qhov loj me.

CEEB TOOM

Cov dos ntsuab yuav tsum tau cog rau hauv cov huab cua me me nrog zoo - cov av loamy thiab yuav tsum tau siv dej tsis tu ncua thaum lub sijhawm txhim kho. Vim yog cov hauv paus hniav ntiav, cov nroj tsuag tsis tuaj yeem sib tw nrog cov nroj tsuag. Cov nroj tsuag kuj muaj kev cuam tshuam rau cua, lawg puas, thiab txias txias.

Thaum dos ncav cuag los ntawm ib lub hlis twg - mus txog ib nrab ntawm ib nti hauv txoj kab uas hla thiab saum ncav cuag 6 mus rau 8 ntiv hauv qhov siab, sau pib ntawm tes. Cov dos ntsuab tau sau thiab muab tso rau hauv pawg. Vim yog perishability siab, bunches yuav tsum tau txias tam sim ntawd. Sab saum toj feem ntau trimmed rau kev lag luam specifications.

Kab Tsuag & Kab Mob
Kab ntawm kev txhawj xeeb suav nrogcov kab mob tua kab mob, cov kab mites, click beetles, cutworms, leafminers, leek npauj, nematodes, dos maggots,thiabthrips. Cov dos ntsuab tau raug rau cov kab mob xws liCov kab mob mos rot, noob rot, damping tawm, downy mildew, grey pwm, dos daj dwarf kab mob, xeb, smut, Southern blight, twister, dawb hau, thiabxav.

Cia & Ntim
Kev pom zoo cia kub yog 32℃F nrog cov av noo siab (95 mus rau 100%) kom muaj dej noo, xim, thiab tag nrho cov khoom zoo. Cov dos ntsuab yog rhiab rau ethylene thiab tuaj yeem tawm ntawm lawv tus kheej tsw, uas tuaj yeem ua rau muaj kev phom sij rau lwm cov txiv hmab txiv ntoo thiab zaub.

Siv: North Carolina State Extension, Oregon State University, US Food & DrugAdministration/University of California, Davis Western Institute for Food Safety & Security.

INSPECTOR'S INSIGHTS

• Cov dos ntsuab yuav tsum tsis pub tshaj 24 ntiv tes los yog tsawg dua 8 ntiv tes ntev; txoj kab uas hla yuav tsum tsis txhob tsawg dua .25 ntiv tes lossis ntau dua 1 nti
• Rau cov qhab nia discoloration raws li kev puas tsuaj thaum cuam tshuam rau thaj tsam ntawm ntau dua 20% lossis thaum muaj kev cuam tshuam rau cov khoom zoo nkauj
• Kev lwj tuaj yeem cuam tshuam rau saum lossis qhov muag teev; txhua tus nqi yog scorable tiv thaiv 2% kam rau kev lwj.

Tau qhov twg los: Tom Yawman, International Produce Training