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Pollen Tube Growth and Embryo Development in Interspecific Crosses of Cucurbita

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概要 Pollen tube growth and seed production were investigated in a diallel involving three cultivated species (Cucurbita moschata, C. maxima, C. pepo) and a PM line selected from a cross between C. pepo x ...C. moschata in order to study the relationship between pollen tube growth and cross compatibility. All species combinations produced seeds with an embryo except one combination, C. pepo x C. maxima. The PM line, ‘PM 143’ showed similar results to C. moschata cv. ‘Seoul-Dadagi’ in pollen tube growth, fruit set and seed production in interspecific crosses. There were reciprocal differences in pollen tube growth, fruit set and seed production in C. moschata x C. maxima, PM x C. maxima and C. maxima x C. pepo. The differences in seed production between reciprocal crosses seem a result of the differences in pollen tube growth and in embryo development after fertilization.続きを見る

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登録日 2012.08.01
更新日 2021.02.05

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