"Each plant species (cultivars) has typical germination season to optimise successful reproduction and survival. The reasons of this biological phenomenon is known, but during year somewhat like biological clock, which has influence on the level of seed germination exist. It is possible to conclude that within a year typical common curve of level (per cent) of seed germination exist. The cultivars have large differences within a year in a germination per cent, i.e. there is problem of determination of acceptable time of seed testing for commercial purposes. This physiological phenomenon in case, when fading effect of seed dormancy or other effect lowering seed germination (hard seed, inhibiting matters, etc) has large influence on germinative activity. This problem is also very important at wild species which are tested for special ecological activities."@en . "Bl\u00E1ha L., Gottwaldov\u00E1 P. (2007): Zm\u011Bny kl\u00ED\u010Divosti semen v pr\u016Fb\u011Bhu roku."@cs . "Gottwaldov\u00E1, Pavl\u00EDna" . "2"^^ . "Neuveden" . . . . "Bl\u00E1ha, L." . "Brno" . "6"^^ . "1"^^ . . . . . . "978-80-86908-04-5" . "[C52AA0325236]" . "RIV/26296080:_____/07:9P000886!RIV09-MZE-26296080" . . . "U v\u011Bt\u0161iny rostlinn\u00FDch druh\u016F existuje optim\u00E1ln\u00ED doba kl\u00ED\u010Den\u00ED, kter\u00E1 je regulov\u00E1na celou \u0159adou zn\u00E1m\u00FDch vliv\u016F. U zem\u011Bd\u011Blsk\u00FDch plodin je tato regulace d\u00EDky \u0161lecht\u011Bn\u00ED zna\u010Dn\u011B potla\u010Dena. V pr\u016Fb\u011Bhu roku v\u0161ak u semen lze zjistit pravidelnou periodicitu, tj. obdob\u00ED, kdy semena odr\u016Fd jednotliv\u00FDch plodin kl\u00ED\u010D\u00ED s r\u016Fznou rychlost\u00ED a vykazuj\u00ED i odli\u0161nou kl\u00ED\u010Divost, a to i v \u010Dasov\u00E9m obdob\u00ED, kdy ji\u017E nelze po\u010D\u00EDtat s dormanc\u00ED \u010Di s projevy druhotn\u00E9 dormance. I p\u0159es specifick\u00E9 vlastnosti ka\u017Ed\u00E9ho druhu a odr\u016Fdy je mo\u017Eno v obecn\u00E9 rovin\u011B vytipovat obdob\u00ED s maxim\u00E1ln\u00ED a obdob\u00ED s minim\u00E1ln\u00ED kl\u00ED\u010Divost\u00ED v pr\u016Fb\u011Bhu roku. U n\u011Bkter\u00FDch plodin m\u016F\u017Ee m\u00EDt obdob\u00ED minim\u00E1ln\u00ED kl\u00ED\u010Divosti i vliv na v\u00FDsledky testov\u00E1n\u00ED osiva. Rovn\u011B\u017E u semen plan\u00FDch druh\u016F rostlin, kde je kl\u00ED\u010Divost d\u00EDky cel\u00E9 \u0159ad\u011B vliv\u016F postupn\u00E1, m\u016F\u017Ee tento efekt m\u00EDt \u010Dasto podstatn\u00FD vliv na hodnocen\u00ED kvality semen."@cs . . "Changes of seed germination during the year"@en . "RIV/26296080:_____/07:9P000886" . "Bl\u00E1ha L., Gottwaldov\u00E1 P. (2007): Zm\u011Bny kl\u00ED\u010Divosti semen v pr\u016Fb\u011Bhu roku." . . "2007-01-01+01:00"^^ . . "Brno, hotel U koz\u00E1ka" . "P(QF3056)" . . . "Aktu\u00E1ln\u00ED poznatky v p\u011Bstov\u00E1n\u00ED, \u0161lecht\u011Bn\u00ED, ochran\u011B rostlin a zpracov\u00E1n\u00ED produkt\u016F" . "412031" . "germination; periodicity of germination; per cent of germinability during year biological clock; Earth cyclic physical phenomenons; acceptable time of seed testing"@en . "U v\u011Bt\u0161iny rostlinn\u00FDch druh\u016F existuje optim\u00E1ln\u00ED doba kl\u00ED\u010Den\u00ED, kter\u00E1 je regulov\u00E1na celou \u0159adou zn\u00E1m\u00FDch vliv\u016F. U zem\u011Bd\u011Blsk\u00FDch plodin je tato regulace d\u00EDky \u0161lecht\u011Bn\u00ED zna\u010Dn\u011B potla\u010Dena. V pr\u016Fb\u011Bhu roku v\u0161ak u semen lze zjistit pravidelnou periodicitu, tj. obdob\u00ED, kdy semena odr\u016Fd jednotliv\u00FDch plodin kl\u00ED\u010D\u00ED s r\u016Fznou rychlost\u00ED a vykazuj\u00ED i odli\u0161nou kl\u00ED\u010Divost, a to i v \u010Dasov\u00E9m obdob\u00ED, kdy ji\u017E nelze po\u010D\u00EDtat s dormanc\u00ED \u010Di s projevy druhotn\u00E9 dormance. I p\u0159es specifick\u00E9 vlastnosti ka\u017Ed\u00E9ho druhu a odr\u016Fdy je mo\u017Eno v obecn\u00E9 rovin\u011B vytipovat obdob\u00ED s maxim\u00E1ln\u00ED a obdob\u00ED s minim\u00E1ln\u00ED kl\u00ED\u010Divost\u00ED v pr\u016Fb\u011Bhu roku. U n\u011Bkter\u00FDch plodin m\u016F\u017Ee m\u00EDt obdob\u00ED minim\u00E1ln\u00ED kl\u00ED\u010Divosti i vliv na v\u00FDsledky testov\u00E1n\u00ED osiva. Rovn\u011B\u017E u semen plan\u00FDch druh\u016F rostlin, kde je kl\u00ED\u010Divost d\u00EDky cel\u00E9 \u0159ad\u011B vliv\u016F postupn\u00E1, m\u016F\u017Ee tento efekt m\u00EDt \u010Dasto podstatn\u00FD vliv na hodnocen\u00ED kvality semen." . "Bl\u00E1ha L., Gottwaldov\u00E1 P. (2007): Zm\u011Bny kl\u00ED\u010Divosti semen v pr\u016Fb\u011Bhu roku." . . "Changes of seed germination during the year"@en . . "Bl\u00E1ha L., Gottwaldov\u00E1 P. (2007): Zm\u011Bny kl\u00ED\u010Divosti semen v pr\u016Fb\u011Bhu roku."@cs . .