Intergeneric Hybridization in Cichorieae, VIII. Morphology and fertility of F4 individuals of Paraixeris derticulata×Crepidiastrum platyphyllum

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概要

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• 1) Morphology and fertility of about 100 individuals were investigated with special reference to the relation between the fertility and the morphology, or the meiotic behaviors.2) The external morphology is quite divergent, but the general appearance of the F4 population is said to be Paraixeris-type.3) There are no definite relations between the external morphology and the ertility.4) The correlation between the pollen fertility and the rate of achene setting is small (r=0.20). The low fertility of the pollen is correlated with the multivalents and the low rate of achene setting with the prematurely separating bivalents.5) The fertility was much restored in F4 in spite of an increase of meiotic irregularities.

• 日本遺伝学会の論文

著者

• Ono Humihiko

  Biological Laboratory

関連論文

• Intergeneric Hybridization in Cichorieae, IX. Considerations on cytological and morphological features of F4 individuals of Paraixeris denticulate× Crepidiastrum platyphyllum with special reference to fertility
• Intergeneric Hybridization in Cichorieae, VIII. Morphology and fertility of F4 individuals of Paraixeris derticulata×Crepidiastrum platyphyllum

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