Journal of Taiwan Agricultural Research

Author:Hui-Ling Lo, Chen-Yu Lin*, San-Tai Wang, and Chien-Ya Hong

Abstract:

To breed a new Chinese kale hybrid with early mature and heat-tolerance, plant type, canopy, leaf shape, number of branching, growth period, and heat tolerance were evaluated in the Fengshan Tropical Horticulture Experiment Branch, Taiwan Agricultural Research Institute. Two heat-tolerant inbred lines, ‘Bao Xin Mei Kale’ and ‘Bai Hua Te Da Xin’, were selected as female and male parents, respectively. A new hybrid 16-1232 was selected after extensive comparison and field trials. The content of total sugar in 16-1232 was significantly higher than that of control cultivar ‘Chui Chun’ in either fresh or heated plants. Due to higher sugar content, 16-1232 tastes slightly sweeter. Acid analysis revealed that 16-1232 had higher l-malic acid and citric acid, and lower nitrate compared to the controls. The nutrition contents of edible Chinese kale provide an invaluable reference for breeders and consumers. The newly developed 16-1232 has been named Chinese kale ‘Fengshan No. 1’ after being approved by the council of Taiwan Agricultural Research Institute. F1 hybrid produces edible leaves with early maturity and shows heat-tolerance, which will be suitable for growing in high temperature and humid environments. ‘Fengshan No. 1’ can be harvested 40 d after sowing or 20 d after transplanting. Due to the characters of less fiber, delicate taste and slightly sweet flavor, ‘Fengshan No. 1’ would be widely accepted by consumers.

Key words:Edible leaves used, Chinese kale, ‘Fengshan No. 1’

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