Studia nad kariologią i rozwojem pyłku kilku odmian Medicago saliva L. Cz. I [Studies on karyology and pollen development in several varieties of Medicago sativa L. Part I] | Zendy

K. Bijok | Zendy; E. Adamkiewicz | Zendy; L. Grygorczyk | Zendy

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Studia nad kariologią i rozwojem pyłku kilku odmian Medicago saliva L. Cz. I [Studies on karyology and pollen development in several varieties of Medicago sativa L. Part I]

Author(s) -

K. Bijok,

E. Adamkiewicz,

L. Grygorczyk

Publication year - 2015

Publication title -

acta agrobotanica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.4

H-Index - 9

eISSN - 2300-357X

pISSN - 0065-0951

DOI - 10.5586/aa.1971.020

Subject(s) - pollen , meiosis , biology , medicago sativa , botany , division (mathematics) , mother cells , genetics , gene , arithmetic , mathematics

At the stage of diakinensis and metaphase of the first meiotic division, conjugating chromosomes in the form of bivalents were always observed. At the pre-meiotic stage some of .the mother pollen cells underwent degeneration (in 'Australian' var. 17% in 'Warminska' 20%, in 'Kleszczewska' 23%, in 'Grimma' 30% and in 'Miechowska' 40%). In the degenerating mother pollen cells no meiotic division were observed. In the surviving mother pollen cells, meiotic division were found to be normal. The mature pollen grains were trinucleate

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