Abstract:Lignin is a phenolic biopolymer that limits the intake potential and energy availability of forage crops. In order to understand the lignification process, enzymatic and biochemical studies were conducted at four different growth stages of tall fescue (Festuca arundinacea Schreb.). An increase in phenylalanine ammonia lyase and tyrosine ammonia lyase activity was observed with advancement of growth from first node palpable stage to third node palpable stage with a decrease at spikelet emergence stage. Cinnamoy… Show more
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