Himachal Journal of Agricultural Research

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Lignin Associated Anatomical Changes at Different Growth Stages of Tall Fescue (Festuca arundinacea Schreb.)


Affiliations
1 Department of Chemistry and Biochemistry, College of Basic Sciences, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India
 

Lignin is a phenolic heteropolymer that limits the nutrient availability in ruminants from forages by acting as physical barriers to microbial enzymes and interfering with the cell wall polysaccharides digestion. Maule staining of Tall fescue internode sections was done at four different growth stages. The staining of internodal sections revealed progressive increase in lignification from first node palpable stage to spikelet emergence stage. Maximum lignin deposition was observed at spikelet emergence stage and minimum at first node palpable stage. A shift in colour from yellow to red has been observed from first node palpable stage to spikelet emergence stage suggesting an increase in syringyl (S) lignin deposition.

Keywords

Lignin, Festuca Arundinacea, Maule Staining, Anatomical Change.
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  • Lignin Associated Anatomical Changes at Different Growth Stages of Tall Fescue (Festuca arundinacea Schreb.)

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Authors

Siddhartha Singh
Department of Chemistry and Biochemistry, College of Basic Sciences, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India
Neelam Sharma
Department of Chemistry and Biochemistry, College of Basic Sciences, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India

Abstract


Lignin is a phenolic heteropolymer that limits the nutrient availability in ruminants from forages by acting as physical barriers to microbial enzymes and interfering with the cell wall polysaccharides digestion. Maule staining of Tall fescue internode sections was done at four different growth stages. The staining of internodal sections revealed progressive increase in lignification from first node palpable stage to spikelet emergence stage. Maximum lignin deposition was observed at spikelet emergence stage and minimum at first node palpable stage. A shift in colour from yellow to red has been observed from first node palpable stage to spikelet emergence stage suggesting an increase in syringyl (S) lignin deposition.

Keywords


Lignin, Festuca Arundinacea, Maule Staining, Anatomical Change.

References