Abstract

Summary Seeds of green gram were subjected to presowing soaking in 20 PPM chloramphenicol and riboflavin and their combination in petridishes for 24 hrs in a luminosity of 1000 Lux at 25 °C ± 1 after which the seedlings were transferred to distilled water and allowed to grow for a period of one week. The inhibition of growth by chloramphenicol was reversed by riboflavin. 14C incorporation into amino acids was studied. Serine, tryptophan and tyrosine were heavily labelled with riboflavin treatment. Leucine, phenylalanine and cystine were not labelled in chloramphenicol inhibited growth and were labelled in riboflavin treated seedlings.

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