Growth and yield of nethouse cauliflower production under three shade levels
2000
Wirat Phuwiwat(King Mongkut's Institute of Technology Ladkrabang, Bangkok (Thailand). Faculty of Agricultural Technology. Department of Horticulture)
Effects of 3 shade levels, 39.47, 58.09 and 73.54 percent on growth and yield of the Contra 291 cauliflower (Brassica oleracea var. botrytis) under nethouse production was conducted and compared to the full sun plants. It was shown that as the shade level was increased the quantum received by the cauliflower plants gradually decreased. The cauliflower plants adapted to the reduced light by increasing plant height, leaf area per plant and the leaf chlorophyll content. Consequently, the cauliflower grown under 58.09 percent shade level showed the highest in flower diameter and the flower fresh and dry weights which significantly better than the sun-grown plant and the cauliflower grown under 73.54 percent shade level.
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