Synopsis
Individual endosperm genes which affect the amylose fraction of corn starch were found to vary in effect due to inherent difference of source stocks. Double and triple recessive combinations of these genes have varying effects on amylose content. The ae gene is involved in the higher amylose endosperm combinations although it shows no corresponding effect on the pollen starch.
Synopsis
Extensive selection on the basis of laboratory analyses is necessary when transferring high amylose characters from source stocks into agronomically sound amylomaize hybrids. The effects of various gene combinations on the amylose‐amylopectin ratio of corn starch are discussed. Amylose content is shown to be influenced considerably by modifying factors interacting within the various endosperm genotypes.
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