Influence of nitrogen phosphorus and potassium deficiency on free amino acid content and growth of sapota Manilkara achras Forsberg plants

Gowda V. Nache, . and Vijayakumar N., . (1996) Influence of nitrogen phosphorus and potassium deficiency on free amino acid content and growth of sapota Manilkara achras Forsberg plants. [Proceedings Paper]

Essential nutrient elements perform a specific metabolic role in the plant system. When they are in limited supply there will be a disruption in the metabolic process of the plant including change in amino acid metabolism and accumulation. To elucidate the effect of nitrogen phosphorus and potassium deficiency on growth and free amino acid content in sapota plants sand culture experiments were conducted. Nitrogen deficient plants had higher serine glutamic acid methionine and lower aspartic acid threonine and valine content. While phosphorus deficient plants showed higher levels of arginine aspartic acid threonine serine glutamic acid leucine lysine and histidine and low methionine content. The deficiency of potassium appeared to cause appreciable increase in phenylalanine and decreased level of arginine. The dry weight of plant decreased two fold in nitrogen and phosphorus deficient conditions while there was no change in potassium deficient plants

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Abstract

Essential nutrient elements perform a specific metabolic role in the plant system. When they are in limited supply there will be a disruption in the metabolic process of the plant including change in amino acid metabolism and accumulation. To elucidate the effect of nitrogen phosphorus and potassium deficiency on growth and free amino acid content in sapota plants sand culture experiments were conducted. Nitrogen deficient plants had higher serine glutamic acid methionine and lower aspartic acid threonine and valine content. While phosphorus deficient plants showed higher levels of arginine aspartic acid threonine serine glutamic acid leucine lysine and histidine and low methionine content. The deficiency of potassium appeared to cause appreciable increase in phenylalanine and decreased level of arginine. The dry weight of plant decreased two fold in nitrogen and phosphorus deficient conditions while there was no change in potassium deficient plants

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. mal SB 359 I61 1996 Vol. 1 Call Number
AGROVOC Term:	Nitrogen
AGROVOC Term:	Phosphorus
AGROVOC Term:	Potassium
AGROVOC Term:	Amino acids
AGROVOC Term:	Mineral deficiencies
AGROVOC Term:	Manilkara achras
AGROVOC Term:	Nutrients
AGROVOC Term:	Metabolic disorders
AGROVOC Term:	Seedlings
AGROVOC Term:	Humidity control
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:14
URI:	http://webagris.upm.edu.my/id/eprint/11925

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