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Description
| - The aim of the present study was to learn how saturation of the vernalization requirement and apical development stage are related to frost tolerance in wheat. Mironovskaya 808, a winter variety with a long vernalization requirement, and Leguan, a spring variety without a vernalization requirement, were acclimated at 2°C at different stages of development. Mironovskaya 808 increased its frost tolerance more rapidly; it reached a higher level of tolerance and after a longer duration of acclimation at 2°C than was found in Leguan. The frost tolerance of Mironovskaya 808 decreased after saturation of its vernalization requirement, but before its shoot apex had reached the double ridge stage. The frost tolerance of Leguan decreased after the plants had reached the floret initiation stage. The results support the hypothesis that genes for vernalization requirement act as a master switch regulating the duration of low temperature induced frost tolerance.
- The aim of the present study was to learn how saturation of the vernalization requirement and apical development stage are related to frost tolerance in wheat. Mironovskaya 808, a winter variety with a long vernalization requirement, and Leguan, a spring variety without a vernalization requirement, were acclimated at 2°C at different stages of development. Mironovskaya 808 increased its frost tolerance more rapidly; it reached a higher level of tolerance and after a longer duration of acclimation at 2°C than was found in Leguan. The frost tolerance of Mironovskaya 808 decreased after saturation of its vernalization requirement, but before its shoot apex had reached the double ridge stage. The frost tolerance of Leguan decreased after the plants had reached the floret initiation stage. The results support the hypothesis that genes for vernalization requirement act as a master switch regulating the duration of low temperature induced frost tolerance. (en)
- Cílem bylo zjistit jak nasycení jarovizačního požadavku a různá fáze vývoje vzrostného vrcholu ovlivňují mrazuvzdornost pšenice. Mironovská 808, ozimá odrůda s dlouhou jarovizací a Leguán, jarní odrůda bez jarovizace byly otužovány při 2°C v různé fázi vývoje rostlin. Mironovská 808 zvyšovala mrazuvzdornost rychleji a dosahovala větší odolnost než Leguan. Mrazuvzdornost Mironovské 808 se snižovala po nasycení jarovizačního požadavku, ale dříve než dosáhla vývoj vzrostného vrcholu do fáze dvojitých hrbolků. Mrazuvzdornost Leguanu klesala až rostliny dosáhly fázi tvorby kvítků. Výsledky podporují hypotézu, že geny jarovizace působí jako přepínače, které regulují dobu trvání indukce mrazuvzdornosti chladem. (cs)
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Title
| - Relationships among Vernalization, Shoot Apex Development and Frost Tolerance in Wheat
- Relationships among Vernalization, Shoot Apex Development and Frost Tolerance in Wheat (en)
- Vztah mezi jarovizací, vývojem vzrostného vrcholu a mrazuvzdorností pšenice (cs)
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skos:prefLabel
| - Relationships among Vernalization, Shoot Apex Development and Frost Tolerance in Wheat
- Relationships among Vernalization, Shoot Apex Development and Frost Tolerance in Wheat (en)
- Vztah mezi jarovizací, vývojem vzrostného vrcholu a mrazuvzdorností pšenice (cs)
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skos:notation
| - RIV/00027006:_____/04:390!RIV06-GA0-00027006
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00027006:_____/04:390
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Frost tolerance, vernalization, apical development, cold acclimation, wheat (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Annals of Botany (London)
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Prášil, Ilja
- Prášilová, Pavla
- Pánková, Katerina
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issn
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number of pages
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