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KMID : 0903619890300020137
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Journal of the Korean Society for Horticultural Science
1989 Volume.30 No. 2 p.137 ~ p.144
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Characteristics of in vitro Germination by different Pollen Nucleate Types of Horticultural Plants with Special Reference to Ornamental Species
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Abstract
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133 horticultural (particularly ornamental) species, comprising 49 families and 121 genera, were subjected to study the following characteristics of pollen germination responses;
Binucleate pollen germinated well in in vitro medium culture of 100% moisture with the cultural solution, and no germination was noted in 98%-moisture conditions without the solution medium. Trinucleate pollen, on the contrary, germinated fairly well in 98%-moisture conditions in which the binucleate did not germinate at all, and no germination occurred in the 100%-solution medium in which the binucleate usually germinated well. The both nucleate did not germinate in 100%-moisture conditions without the cultural medium.
The response of trinucleate pollen to 98% moisture in the pollen germination is due much likely to the higher respiration (oxygen requirement) in the process than the binucleate.
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