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  • Colchicine was chosen for polyploidy induction in 2 cultivars of Callistephus chinensis Ness. ´Gerda´and ´Armida´. Application was done by the immersion of swollen seeds into a solution of colchicines.The second method was dropping colchicine solution on the apex between cotyledonous leaves. Considerable changes in the morphology of leaf blade were found. Leaf index of diploid plants was closely around 1.5, in the case of polyploid plants it was around 1.05-1.1. The most successful variants of induction in cv.´Armida´ were 0.3% of colchicine concentration and 6 and 18 h. of incidence on swolen seed. In the cv. ´Gerda´the most successful combination was 0.1% colchicine and 6 h.of incidence and 0.05 % and 18 h. The fertility fall down in tetraploidy generation C0 and C1 considerably.
  • Colchicine was chosen for polyploidy induction in 2 cultivars of Callistephus chinensis Ness. ´Gerda´and ´Armida´. Application was done by the immersion of swollen seeds into a solution of colchicines.The second method was dropping colchicine solution on the apex between cotyledonous leaves. Considerable changes in the morphology of leaf blade were found. Leaf index of diploid plants was closely around 1.5, in the case of polyploid plants it was around 1.05-1.1. The most successful variants of induction in cv.´Armida´ were 0.3% of colchicine concentration and 6 and 18 h. of incidence on swolen seed. In the cv. ´Gerda´the most successful combination was 0.1% colchicine and 6 h.of incidence and 0.05 % and 18 h. The fertility fall down in tetraploidy generation C0 and C1 considerably. (en)
  • Pro vyvolání polyploidie byl aplikován kolchicin na 2 odrůdy čínských aster, ´Armida´a ´Gerda´. Kolchicin byl aplikován na naklíčená osiva nakapáváním roztoku na růstový vrchol ve fázi děložních listů. Byly shledány změny v morfologii listů. Listový index diploidních rostlin byl kolem 1.5 a u polyploidních mezi 1.05 až 1.1. Nejúspěšnější variantou indukce u cv. ´Armida´ byla aplikace 0.3% concentrace kolchicinu na naklíčená semena po dobu 6 a 18 hod. U cv.´Gerda´ byla nejúspěšnější kombinací aplikace 0.1% koncentrace kolchicinu po dobu 6 hod. a 0.05% koncentrace po dobu 18 hod. Fertilita byla nižší u tetraploidních rostlin v C0 a C1 koncentraci. (cs)
Title
  • Results of polyploidy induktion in Callistephus chinensis Nees.
  • Results of polyploidy induktion in Callistephus chinensis Nees. (en)
  • Výsledky indukované polyploidie u Callistephus chinensis Nees. (cs)
skos:prefLabel
  • Results of polyploidy induktion in Callistephus chinensis Nees.
  • Results of polyploidy induktion in Callistephus chinensis Nees. (en)
  • Výsledky indukované polyploidie u Callistephus chinensis Nees. (cs)
skos:notation
  • RIV/62156489:43510/04:00001481!RIV/2005/MSM/435105/N
http://linked.open.../vavai/riv/strany
  • 93;95
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  • Z(MSM 435100002)
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  • 584562
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  • RIV/62156489:43510/04:00001481
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  • Callistephus;colchicine;leaf index;plant fertility;polyploidy;stomata (en)
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  • [33034A18035C]
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  • Lednice
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  • Brno
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  • International conference on Horticulture Post-Graduate Study System and Conditions in Europe. Proceedings of Abstracts
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  • Kobza, František
  • Hanzelka, Petr
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http://linked.open...n/vavai/riv/zamer
number of pages
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  • Mendelova zemědělská a lesnická univerzita v Brně
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  • 80-7157-799-5
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  • 43510
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