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Abstract
A nondestructive measurement technique for predicting the developmental stage of young embryos was devised and used to study developmental patterns of 2 Phaseolus crosses. While selfed P. coccineus Lam. produces normal seeds, P. coccineus × P. vulgaris L. aborts embryos when the seeds reach 10 mm in length. Seed growth of the interspecific cross was reduced with respect to days after pollination. Other characteristics of the interspecific cross included reduced pod length, an increased (pod length)/(number seeds per pod) ratio, reduced embryo fresh weight, and an increased volume of liquid endosperm. Between the self and the cross, pod thickness did not differ, and thus can be used to predict developmental stage of young embryos.
in
HortScience