Beet loj hlob teeb meem - Tswv yim rau Beet Seedlings poob lawm

Cov txheej txheem:

Beet loj hlob teeb meem - Tswv yim rau Beet Seedlings poob lawm
Beet loj hlob teeb meem - Tswv yim rau Beet Seedlings poob lawm

Video: Beet loj hlob teeb meem - Tswv yim rau Beet Seedlings poob lawm

Video: Beet loj hlob teeb meem - Tswv yim rau Beet Seedlings poob lawm
Video: yuav coj li cas kom luag nyiam 2024, Kaum ib hlis
Anonim

Lub caij txias beets yog cov qoob loo yooj yim loj hlob tab sis lawv tuaj yeem raug kev txom nyem los ntawm ntau yam teeb meem loj hlob beet. Feem ntau yog los ntawm kab, kab mob, lossis ib puag ncig kev ntxhov siab. Ib qho teeb meem zoo li no tshwm sim thaum cov nroj tsuag beet poob los yog wilting. Dab tsi yog qee qhov laj thawj rau beet cog wilting thiab puas muaj kev daws teeb meem?

Pab Kom Beet Seedlings ntog

Cov noob tuaj yeem ua tau leggy yog tias lawv pib nrog lub teeb pom kev deb dhau; cov beets stretch mus rau lub teeb, ua leggy. Qhov tshwm sim, tau kawg, yuav yog tias lawv tsuas tuaj yeem pab tsis tau lawv tus kheej thiab koj tau txais beets uas poob lawm.

Yog tias koj pom tias koj cov beet seedlings poob lawm, ib qho laj thawj ntxiv tuaj yeem yog cua, tshwj xeeb tshaj yog tias koj tawv lawv tawm sab nraud ua ntej hloov pauv. Khaws cov noob rau hauv qhov chaw tiv thaiv kom txog thaum lawv tawv thiab ntxiv dag zog. Tsis tas li ntawd, pib maj mam thaum hardening tawm. Pib los ntawm kev nqa cov yub tawm sab nraud rau ib mus rau ob teev thaum xub thawj hauv thaj chaw ntxoov ntxoo thiab tom qab ntawd maj mam ua hauj lwm mus txog ib teev ntxiv txhua hnub kom lawv tuaj yeem hloov kho lub hnub ci thiab qhov kub thiab txias sib txawv.

Beet Growing Problems

Wilting hauv beets yuav yogqhov tshwm sim ntawm kab kab mob los yog kab mob.

Muaj kab tuaj yeem cuam tshuam beets.

  • Flea Beetles - Cov kab flea (Phyllotreta spp.) tuaj yeem ua rau muaj kev puas tsuaj rau nplooj ntoo. Cov neeg laus dub me me, uas yog 1/16-rau 1/18th-nti (4 mus rau 3 ml.) ntev nrog cov ceg rov qab loj pub rau ntawm nplooj, tsim cov pits thiab qhov me me, tsis xwm yeem. Cov nroj tsuag yuav ces wilt raws li qhov tshwm sim.
  • Aphids - Aphids kuj nyiam noj ntawm nplooj. Ob lub txiv duaj ntsuab thiab turnip aphids (Myzus persicae thiab Lipaphis erysimi) txaus siab rau cov zaub ntsuab ntau npaum li peb ua. Tam sim no thoob plaws lub caij loj hlob, aphids nqus cov kua txiv hmab txiv ntoo los ntawm nplooj, ua rau nplooj daj thiab wilting.
  • Leafhoppers - Nplooj daj daj ua li ntawd, ua rau wilting nrog rau stunting ntawm kev loj hlob, yellowing thiab nws thiaj li tuag rov qab. Lawv cuam tshuam cov nplooj thiab crown ntawm beets. Tsis txhob cog rau hauv thaj chaw muaj kab mob, siv cov qoob loo tiv taus thiab siv tshuaj tua kab los tswj cov nplooj ntoo.

Wilting kuj yog tshwm sim los ntawm ntau yam kab mob.

  • Root rot complex – Cov hauv paus rot complex thawj zaug tshwm ntawm nplooj li liab me ntsis, ces daj, thiab thaum kawg wilting. Lub hauv paus nws tus kheej tuaj yeem tsim cov kab mob tsaus nti ntawm cov hauv paus hniav lossis txawm tias muag thiab rot. Tsis tas li ntawd, kev loj hlob ntawm cov kab mob dawb mus rau greyish xim av tuaj yeem tshwm sim ntawm cov hauv paus rotting.
  • Damping off – Damping tawm kab mob kuj tshwm sim ntawm beet nroj tsuag. Qhov no yog kab mob horticultural tshwm sim los ntawm ntau tuscov kab mob uas tua lossis tsis muaj zog cov noob lossis cov noob. Cov yub yuav tsim cov qia dub, wilt thiab thaum kawg tuag. Kev tiv thaiv zoo tshaj yog siv cov noob kho thiab xyaum ua qoob loo txhua xyoo.
  • Curly top disease - Kab mob sab saum toj ua rau cov nroj tsuag hluas tas sij hawm sai. Ua ntej, qhov kev sib tw nplooj yob sab hauv thiab blister thiab thicken. Tom qab ntawd, cov hlab ntsha o, cov nroj tsuag wilts thiab nws feem ntau tuag. Leafhoppers kis tus kab mob no. Siv kab npog kom cov nplooj hoppers tawm ntawm beets, cog cov qoob loo thaum ntxov thiab sau ntxov, thiab tswj cov nroj tsuag nyob ib ncig ntawm cov qoob loo beet uas ua los npog rau nplooj hoppers.
  • Koo thiab yas rot - Rhizoctonia cag thiab crown rot cuam tshuam rau cov hauv paus hniav ntawm cov nroj tsuag beet. Thawj cov tsos mob yog sudden wilting; daj ntseg; thiab qhuav, dub petioles ntawm lub crown. Cov nplooj wilted tuag thiab cov hauv paus hniav harbors cov kab mob uas yog xim av tsaus rau dub. Txhawm rau tiv thaiv tus kab mob no, pib nrog thaj chaw cog qoob loo zoo, tiled thiab muaj zaub mov txaus. Tig cov qoob loo nrog cov pob kws lossis cov qoob loo me me, tswj cov nroj tsuag thiab tsis txhob cog beets.
  • Verticillium wilt - Verticillium wilt kuj tseem ua rau cov nroj tsuag beet wilt. Thaum xub thawj, nplooj tig ib lub straw xim, nrog cov nplooj sab nrauv kom qhuav thiab wilting thaum cov nplooj ntoo ua deformed thiab twisted. Ib zaug ntxiv, tig cov qoob loo kom txo tau tus kab mob.

Kawg, tsis yog kab mob lossis kab tuaj yeem ua rau beets wilt. Thawj qhov uas yuav tsum xav txog yog tias cov nroj tsuag wilting yog seb nws puas tau txais dej txaus. Piv txwv li, dej ntau dhau tuaj yeem ua rauib tsob nroj rau wilt. Tiag tiag, yuav luag txhua qhov kev ntxhov siab ib puag ncig tuaj yeem ua rau wilting. Txawm hais tias beets yog lub caij txias qoob loo, lawv tseem tuaj yeem cuam tshuam los ntawm kev mob khaub thuas ntev ntev, vim tias Frost puas tuaj yeem ua rau beets rau wilt.

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