Biologia plantarum 41:591-595, 1998 | DOI: 10.1023/A:1001852718888
Changes in leaf mineral composition and chloroplast proteins induced by K-deficiency and increased UV-B radiation
- 1 School of Biological Sciences, Madurai Kamaraj University, Madurai, India
Solar UV-B radiation increased to 20 % over ambient level at Madurai was given to cowpea (Vigna unguiculata L. cv. Pusa-152) seedlings sufficiently supplied by potassium (0.88 mM K2SO4) and K-deficient (0.05 mM K2SO4). Leaf mineral composition was significantly changed due to both increased UV-B radiation and K-deficiency imposed independently or jointly for 12 d. A severe reduction in 23 kDa chloroplast protein was seen only in seedlings encountered combined stress.
Keywords: cadmium; calcium; chromium; copper; iron; lead; magnesium; manganese; nickel; potassium; sodium; zinc
Subjects: cadmium, K-deficiency, UV-B; calcium, K-deficiency, UV-B; chromium, K-deficiency, UV-B; copper, K-deficiency, UV-B; iron, K-deficiency, UV-B; K-deficiency, UV-B, mineral composition; lead, K-deficiency, UV-B; magnesium, K-deficiency, UV-B; manganese, K-deficiency, UV-B; mineral composition of leaf, K-deficiency, UV-B; nickel, K-deficiency, UV-B; potassium, UV-B; sodium, K-deficiency, UV-B; UV-B, K-deficiency, mineral composition; zinc, K-deficiency, UV-B
Published: May 1, 1998 Show citation
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Premkumar, A., & Kulandaivelu, G. (1998). Changes in leaf mineral composition and chloroplast proteins induced by K-deficiency and increased UV-B radiation. Biologia plantarum, 41(4), 591-595. doi: 10.1023/A:1001852718888
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