Effects of Light Quality on the Growth and Development of in Vitro CulturedGrape Plantlets Effects of Light Quality on the Growth and Development of in Vitro CulturedGrape Plantlets Effects of Different Light Qualities on Root Growth and Development of Test-tube Plantlets of Vitis vinifera L. Studies on the Photosynthetic Characteristics of Taro Test-tube Plantlets after Transplantation Studies on the Photosynthetic Characteristics of Taro Test-tube Plantlets after Transplantation A Study on the Rooting Method of Test-tube Plantlet by Air-culture and Its Application to Industrialized Micropropagation Effects of Different Light Qualities on Root Growth and Development of Test-tube Plantlets of Vitis vinifera L. Effects of nitrogen on growth and flowering of test-tube plantlets of Gomphrena globosa