1. Bartlett 巴梨
Origin and Distribution
Bartlett(2n=34), a chance seedling, discovered in Berkshire, England in 1770, is grown mainly in Shandong Peninsula, Liaodong Peninsula, and ancient riverbed of the Yellow River, etc.
Main Characters
Tree: moderately vigorous, productive, medium precocity. Leaf: 6.6cm×4.2cm in size, elliptical. Initial leaf: yellowish-green. Flower: white bud, small one tinged with light pink on edge, 5 to 8 flowers per cluster in average of 6.6; stamen number: 20 to 24, averaging 21.2; corolla diameter: 3.4cm. Fruit: matures in late August or early September in Xingcheng, Liaoning Province, 217g per fruit, 9.8cm long, 7.0cm wide, obtuse-pyriform, irregular, surface slightly uneven, greenish-yellow or yellow skin, few covered with red on the side exposed to the sun, relatively small core, 5 locules, flesh white, fine, melting after 7 to 10 days of storage, extremely juicy, sour-sweet, strongly aromatic; TSS 13.85%, TA 0.28%; excellent in quality; storage life short.
2. Clapp Favorite 茄梨
Origin and Distribution
Clapp Favorite (2n=34), originated from a cross between Flemish Beauty (female parent) and Bartlett (male parent) in the United States in 1860, is grown in Shandong Peninsula, ancient riverbed of the Yellow River, etc.
Main Characters
Tree: vigorous, productive, medium or late precocity, relatively hardy. Leaf: 8.8cm×5 .4cm in size, elliptical. Initial leaf: green. Flower: white bud tinged with pink on edge, 5 to 8 flowers per cluster in average of 6.9; stamen number: 23 to26, averaging 24.1; corolla diameter: 3.8cm. Fruit: matures in late Augustin Xingcheng, Liaoning Province, 7 to10 days earlier than Bartlett, 175g per fruit, 8.2cm long, 6.8cm wide, obtuse-pyriform or obovate, greenish-yellow skin covered with light red on the side exposed to the sun, medium core, 5 or 4 locules, flesh white, relatively fine, dense, turning to melting after 7 to 10 days of storage, juicy, sweet, aromatic; TSS 12.75%, TA 0.23%; quality good.
3. Conference 康佛伦斯
Origin and Distribution
Conference (2n=34), a seedling of Leon Leclerc de Laval, originated in the United Kingdom in 1894, is grown limitedly in Yantai, Shandong Province, etc.
Main Characters
Tree: moderately vigorous, productive, medium or late precocity, self-fertile. Leaf: 7.8cm×4.9cm in size, elliptical. Initial leaf: green. Flower: white bud, 6 to 9 flowers per cluster in average of 7.1; stamen number: 20 to 25, averaging 21.0; corolla diameter: 3.5cm. Fruit: matures in early September in Yantai, Shandong Province, 300g per fruit, narrow-necked pyriform, green skin, unevenly russet, relatively small core, 5 locules, flesh white, fine, dense and crisp, turning to melting after storage, juicy, sweet, aromatic; TSS 12.45%; quality good.
