2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Yog tias koj yug ua ntej xyoo 1990, koj nco ntsoov ib lub sijhawm ua ntej noob tsis muaj noob. Niaj hnub no, seedless watermelon yog nrov heev. Kuv xav tias ib nrab kev lom zem ntawm kev noj cov txiv tsawb yog nchuav cov noob, tab sis tom qab ntawd dua kuv tsis yog poj niam. Txawm li cas los xij, cov lus nug uas kub hnyiab yog, "Qhov twg cov txiv hmab txiv ntoo tsis muaj noob tuaj ntawm yog tias lawv tsis muaj noob?" Thiab, tau kawg, cov lus nug ntsig txog, "Yuav ua li cas koj loj hlob txiv lws suav tsis muaj noob?".
Noob Noob Noob Noob Noog Los Ntawm Qhov Twg?
Ua ntej tshaj, cov noob tsis muaj noob tsis muaj noob tsis muaj noob. Muaj qee qhov me me, yuav luag pob tshab, cov noob yuav pom nyob rau hauv melon; lawv yog unremarkable thiab edible. Qee zaum, koj yuav pom cov noob "tseeb" hauv ntau yam tsis muaj noob. Seedless ntau yam yog hybrids thiab muab tau los ntawm ib tug complex txheej txheem.
Hybrids, yog koj nco, tsis yug los ntawm noob. Koj tuaj yeem xaus nrog mutt ntawm cov nroj tsuag nrog kev sib xyaw ntawm qhov zoo. Nyob rau hauv cov ntaub ntawv ntawm seedless watermelon, cov noob yog sterile. Qhov zoo tshaj plaws analogy yog hais tias ntawm ib tug mule. Mules yog tus ntoo khaub lig ntawm nees thiab nees luav, tab sis mules yog tsis muaj menyuam, yog li koj tsis tuaj yeem yug mules ua ke kom tau ntau dua mules. Qhov no yog raws nraim li cas nrog seedless watermelons. Koj yuav tsumyug ob niam txiv cog los ua hybrid.
Txhua yam nthuav dav seedless watermelon info, tab sis nws tseem tsis tau teb cov lus nug ntawm yuav ua li cas loj hlob seedless watermelons tsis muaj noob. Yog li, cia peb mus rau qhov ntawd.
Seedless Watermelon Info
Seedless melons hu ua triploid melons thaum cov noob txiv ntoo zoo tib yam hu ua diploid melons, lub ntsiab lus, cov txiv hmab txiv ntoo ib txwm muaj 22 chromosomes (diploid) thaum lub noob tsis muaj noob muaj 33 chromosomes (triploid).
Tau tsim cov noob tsis muaj noob, cov txheej txheem tshuaj siv los ua ob npaug ntawm cov chromosomes. Yog li, 22 chromosomes tau muab ob npaug rau 44, hu ua tetraploid. Tom qab ntawd, paj ntoos los ntawm diploid muab tso rau ntawm poj niam paj ntawm cov nroj tsuag nrog 44 chromosomes. Cov noob taum muaj 33 chromosomes, triploid lossis seedless watermelon. Seedless watermelon yog sterile. Cov nroj tsuag yuav dais txiv hmab txiv ntoo nrog translucent, nonviable noob los yog "qe."
Seedless Watermelon Loj hlob
Seedless watermelon loj hlob zoo ib yam li cog noob ntau yam nrog ob peb txawv.
Ua ntej tshaj plaws, cov noob txiv ntoo tsis muaj noob muaj lub sijhawm nyuaj dua germination dua li lawv cov khub. Direct sowing ntawm seedless melons yuav tsum tshwm sim thaum cov av yog tsawg kawg yog 70 degrees F. (21 C.). Qhov zoo tshaj plaws, cov noob txiv ntoo tsis muaj noob yuav tsum tau cog rau hauv tsev cog khoom lossis zoo li qhov kub ntawm 75-80 degrees F. (23-26 C.). Direct seeding nyob rau hauv kev lag luam lag luam yog nyuaj heev. Overseeding thiab ces thinning yog ib qho kev daws teeb meem, raws li cov noob khiav los ntawm 20-30 xees ib lub noob. Qhov novim li cas cov txiv hmab txiv ntoo tsis muaj noob yuav kim dua li cov txiv ntoo ib txwm muaj.
Thib ob, ib qho pollinizer (diploid) yuav tsum tau cog rau hauv thaj teb nrog cov noob tsis muaj noob lossis triploid melons. Ib kab ntawm pollinizers yuav tsum alternated nrog txhua ob kab ntawm seedless ntau yam. Hauv kev lag luam, nruab nrab ntawm 66-75 feem pua ntawm cov nroj tsuag yog triploid; tus so yog cov paj ntoos (diploid) nroj tsuag.
Yuav kom loj hlob koj tus kheej cov noob tsis muaj noob, pib nrog kev hloov pauv lossis pib cov noob hauv qhov sov sov (75-80 degrees F. lossis 23-26 degrees C.) ib puag ncig hauv cov av tsis muaj menyuam. Thaum tus khiav yog 6-8 ntiv (15-20.5 cm.) ntev, cov nroj tsuag tuaj yeem hloov mus rau lub vaj yog tias av temps tsawg kawg yog 70 ° F. lossis 21 ° C. Nco ntsoov, koj yuav tsum loj hlob tsis muaj noob thiab noob. watermelons.
khawb qhov hauv av rau kev hloov pauv. Muab ib lub noob txiv hmab txiv ntoo tso rau hauv thawj kab thiab hloov cov noob tsis muaj noob rau hauv ob qhov tom ntej. Txuas ntxiv mus stagger koj cov nroj tsuag, nrog ib-seeded ntau yam rau txhua ob seedless. Dej cov noob cog rau hauv thiab tos, txog 85-100 hnub, kom cov txiv hmab txiv ntoo siav.
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