Journal of Taiwan Agricultural Research

Author:Der-Nan Wang, Ruey-Heng Ueng, J-Jwo Huang and Shiow-Fenq Shyu

Abstract:

    In 1987, the researchers in Fengshan Tropical Horticultural Experiment Station of TARI made crosses between Solo No.1 (as female parent) and Sunrise (as male parent). The offspring’s were selfed for six generations. Comparison experiments between lines were made in 1994 and 1995. Regional adaptation tests were preformed in Chisun, Kaoshu, Sunsin and Liukuei in 1996 and 1997 respectively. A selected line of S84-19, favored by both the farmers and consumers, was named as Tainong No.6 by the Department of Agriculture and Forestry, Taiwan Provincial Government on March 31, 1998. Plants of Tainong No.6 was green stem and short (1.8cm) stems, dark green leaves, compact tree size, low fruiting position (66.9cm), very high yield (56.5fruits or 25.1kg per tree). It is very good for net house production. The female fruits are round and short pear-shaped from hermaphrodite plants, respectively. Fruit length and width are 12.1cm and 8.6cm, respectively, with an average weight of 445.7g per fruit and edible ratio of 69.3 %. The flesh is about 1.9cm thick in dark orange-red color. Total soluble solids concentration is 12 %. There is only 0.26% abnormal fruit found in hermaphrodite plants.

Key words:Carica papaya, L. (Papaya), Fruit breeding, Variety, Yield, Quality

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