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Increase of the free proline level in water deficient leaves as a reaction to saline or cold root media



Increase of the free proline level in water deficient leaves as a reaction to saline or cold root media



Acta agron. hung, 19: 79-88. bibl. 16



Leaves of sweet peppers, peas and beans grown under optimum conditions contained a very low proportion of proline among their free amino acids. However, after 2-3 days of water deficiency the proline content of the leaves increased considerably. Large-scale accumulation of proline points to water deficiency in the leaves even if there is sufficient water in the root zone. By increasing the salt content of irrigation water physiological drought was induced.

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