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Journal of the American Pomological Society

American Pomological Society

Volume 47 Number 2 Article 4
Year 1993 Month 4
Title: Evaluation of Lychee (Litchi chinensis Sonn.) Cultivars
Authors: E.C. Winston and P.J. O'Farrell
Abstract:
Thirty-eight lychee (Litchi chinensis Sonn.) cultivars were evaluated between 1970-1991 on the Atherton Tableland of North Queensland for regularity of cropping, yield, and fruit characteristics.

Fruit were harvested between early Novem ber and late January. Mean annual yields ranged from < 0.1 to 58 kg/tree. 'Bengal' (58 kg/tree), 'Haak Yip' group (23), 'Souey Tung' (19) and Tai So' group (27) were the heaviest croppers. Neither minimum monthly temperatures, devia tion from normal minimum, number of days within minimum < 12°C, or heat units during June, July or August (winter) appeared related to yield, although all cultivars failed to crop in a year of no winter cold period when daily minimum temperatures were 1.1, 2.3 and 1.2°C above normal in June, July And August respectively.

Mean fruit weights ranged from 11.3 g ('Groff) to 34.2 g ('Chacapat'), with 9 lines i.e. 'Bengal,' 'Brewster,' 'Chacapat,' 'Fay Zee Siu,' 'Kiamana,','Peerless,' 'Sampao Kaow, 'Sang' and the 'Tai So' group averaging > 20 g. Three cul tivars, 'Kiamana,' 'Kwa Lok' and 'Salathiel' gave > 752j flesh recovery. 'Salathiel' consistently dis played > 90% "chicken tongue" (aborted seed). Recommended early cultivars are: 'Souey Tung,' 'Fay Zee Siu' (Synonym-'Yook Ho Pow') and 'Tai So,' mid-season: 'Haak Yjp,' 'Kwai Mai Pink'; and late season: 'Wai Chee,' 'Luk Lai' and possibly 'Salathiel.'

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