Abstract
Greenhouse experiments were carried out to study the effect of boron (B) on certain biochemical constituents considering mung bean, Vigna radiata (L.) Wilczek as an experimental crop. B as boric acid (H3BO3) was applied at the concentrations of 0, 1, 2, 4, 8, 16 and 32 μg B g−1 soil. Lower applied doses of B up to 4 μg g−1 resulted in an increase in chlorophyll and carotenoid contents and decrease in stress indicators viz. total phenol content and soluble leaf protein content. Maximum increment in chlorophyll and carotenoid contents was observed at 4 μg g−1 B concentrations, while at this concentration (4 μg g−1) maximum decrease in total phenol content and soluble leaf protein content was observed. Reciprocal relationship between total chlorophyll contents and total phenol content was observed. Adverse effect on selected biochemical constituents beyond 4 μg g−1 B concentrations reflected the importance of efficient and appropriate use of boron in agronomic practices for mung bean.
Published Version
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