An analysis of seed development in Pisum sativum. XIX. Effect of mutant alleles at the r and rb loci on starch grain size and on the content and composition of starch in developing pea seeds

amidon amilosa amylose chemical composition composition chimique dimension dimensions embriones vegetales gene genes graine guisante madre maternal effects mere mothers mutant mutantes mutants mutation peas pisum sativum plant embryos pois seeds semilla size starch