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Secondary metabolites and nutrient balance in casuarinas: An insight into Protein Competition Model (PCM)
ISSN: 0976 - 7614
Publisher: author
Secondary metabolites and nutrient balance in casuarinas: An insight into Protein Competition Model (PCM)
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Biology and Life Sciences
ARTICLE-FACTOR
1.3
Article Basics Score: 2
Article Transparency Score: 2
Article Operation Score: 3
Article Articles Score: 2
Article Accessibility Score: 2
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International Category Code (ICC):
ICC-0402
Publisher: Journal Of Advanced Laboratory Research In Biology Society..
International Journal Address (IAA):
IAA.ZONE/097651707614
eISSN
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0976 - 7614
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Abstract
The total phenolics, total condensed tannins (TCT), nitrogen (N) and total protein (TP) in needles of Casuarina equisetifolia and Casuarina junghuhniana were studied to understand the carbon-nutrient balance (CNB) and the growth-differentiation balance (GDB) hypotheses. The carbon-nutrient balance (CNB) hypothesis postulates that phenolic levels in plants are determined by the balance between carbon and nutrient availability1. The growth-differentiation balance (GDB) hypothesis2 considers factors that limit growth and differentiation. The production of phenolics dominates when factors other than photosynthate supply are suboptimal for growth (e.g., under nutrient limitation). Resource-based theories assume that the synthesis of defensive compounds is constrained by the external availability of resources and internal trade-offs in resource allocation between growth and defense. It is stated that growth processes dominate over the produ...
