GENETIC CONTROL AND SEASONAL VARIATION OF SOME ALKALOIDS IN REED CANARYGRASS

Abstract
In unclipped reed canarygrass, gramine content rose to a maximum at about seed shedding. With regular clipping the rise was more rapid and it continued into the fall. This difference was partially explained by the dilution effect of low levels of gramine in the stems in unclipped grass samples. The content of tryptamine alkaloids followed the same general pattern as that of gramine. The presence of tryptamine alkaloids in this reed canarygrass was controlled by a single dominant gene.

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