Role of introduction in the quality increase in different varieties and hybrids of cabbage crops

The results of investigation were presented on biochemical composition of cabbage plants of East-Asiatic species. The amount of different elements, ascorbic acid, chlorophyll, β-carotene, nitrates and others were determined in plants of celery and pekinese cabbages. The authors discuss a possibility of estimation of nitrate-accumulative capacity by vitamin C content. It was shown, that East-Asiatic cabbage species have great prospects for cultivation in Russia.