Fig. 2

Nitrate reductase, alanine and aspartate aminotransferase, glutamate synthase and glutamate dehydrogenase activity in leaves (A-E) of wheat (Triticum aestivum L.) plants raised using sand substrate (25 DAS) treated with leachates of fresh leaves and flowers of Tagetes erecta L. Data followed by same letters are not significantly different at p < 0.05.