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Effect of Potassium on Proline Accumulation in Maize during Wilting
Author(s) -
MUKHERJEE ILABANTA
Publication year - 1974
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1974.tb03708.x
Subject(s) - wilting , potassium , proline , chemistry , agronomy , horticulture , biology , biochemistry , amino acid , organic chemistry
Leaf discs from maize ( Zea mays ) grown at high as well as low level of potassium, were treated with different concentrations of KC1 for 2 h in light before exposing to wilting conditions. An enhanced accumulation of free proline effected by wilting was observed in potassium treated discs. Although proline accumulation was much less in leaf discs exposed to short‐term severe wilting conditions than in those exposed to long‐term mild wilting conditions, the effect of potassium was still evident. Under long‐term mild wilting conditions, the enhanced effect was greater in leaf discs from plants grown at high level of potassium than in those from plants grown at low levels of potassium. Treatment with NaCl instead of KC1 did not lead to extra accumulation of proline.