Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Breeding of a New Late-season Pear Cultivar 'Mansoo' with Large Sized High Quality and Long Storability

저장력 강한 고품질 대과 만생종 배 '색수(晩秀)' 육성

  • Kim, Whee-Cheon (Fruit Tree breeding Division, National Horticultural Research Institute) ;
  • Hwang, Hae-Sung (Fruit Tree breeding Division, National Horticultural Research Institute) ;
  • Shin, Il-Sheob (Fruit Tree breeding Division, National Horticultural Research Institute) ;
  • Shin, Yong-Uk (Fruit Tree breeding Division, National Horticultural Research Institute) ;
  • Lee, Don-Kyun (Fruit Tree breeding Division, National Horticultural Research Institute) ;
  • Kang, Sang-Jo (Fruit Tree breeding Division, National Horticultural Research Institute) ;
  • Moon, Jong-Youl (Korea Fruit Growers Association) ;
  • Kim, Jung-Ho (Korea Fruit Growers Association)
  • Received : 2001.02.20
  • Accepted : 2001.03.02
  • Published : 2001.03.31
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Abstract

'Mansoo' is a late-season pear cultivar with extra large and high quality fruit of long storability, which was released by National Horticultural Research Institute in 1995. The cultivar originated from the cross between 'Danbae' and 'Okusankichi' at Suwon in 1978, had been under regional adaptability test at nine areas in the name of 'Wonkyo Na-15' for 4 years since 1992. It was vigorous in tree growth and upright in tree shape. Its flower bud is easily maintained, resulting in higher productivity than 'Danbae' and 'Okusankichi'. It bloomed a day later than 'Niitaka', and showed cross-compatibility with 'Niitaka', 'Chojuro' and some other varieties. Harvesting time of 'Mansoo' is late October in Suwon. The fruit shape is oblate and skin color is light yellowish brown. The fruit weighed 600-700 g and has 12-13% soluble solids content. The flesh is soft, juicy, and has negligible grit. It is resistant to black leaf rot (Alternaria kikuchiana Tanaka).

'만수' 품종은 농촌진흥청 원예연구소에서 1995년에 육성한 대과 고품질 저장력 강한 만생종 배 신품종이다. 이 품종은 1978년에 '단배'에 '만삼길'을 교배하여 얻은 교배실생 가운데 '78-26-46'이 대과 고감미 육질유연한 계통으로 유망하여 1989년에 1차 선발되었다. 1992년부터 '원교 나-15호'로 4년간 9개 지역에서 지역적응시험을 거쳐 최종 선발 명명되었다. '만수'는 수세가 강하고 직립형이며, 꽃눈 유지가 쉬워 '단배'나 '만삼길'보다 수량성이 높다. 개화 시기는 '신고'보다 1일 늦고 '신고', '장십랑' 및 기타 주요 재배품종과 교배친화성이다. '만수'의 숙기는 수원에서 10월 하순이다. 과실모양은 편원형이고 과피색은 담황갈색이며 과중은 600-700g, 당도 $12-13^{\circ}Bx$이다. 육질은 부드럽고 과즙이 풍부하며 석세포가 적다. 이 품종은 검은무늬병에 저항성이다.

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