Determination of age-age correlation and optimum selection age through juvenile selection efficiency in pinus densiflora S. et Z.

• 발행기관: 한국육종학회
• 저자명: 한상억(Sang Urk Han) 손성인(Sung In Sohn) 김종한(Jong Han Kim) 전계상(Gae Sang Jhun)
• 간행물 정보: 『한국육종학회지』Vol.23 No.2, 67~72쪽, 전체 6쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1991.06.30

영문 초록

Open-pollinated progeny test was established with 58 families of Pinus densiflora plus trees. Heights of 1,2,5,6,8,11,13, and 14 years after planting were measured and analyzed statistically. Heritability was 0.72 at age 1 but gradually decreased to 0.15 at age 14. Genetic and phenotypic correlation based on the log of the ratio of the two ages (LAR) was expressed as simple regression with statistical significance (r²=0.8617, 0.8573). Genetic age-age correlation was bit lower than phenotypic age-age correlation. When the mature age of P. densiflora was assumed as 30 years best efficient selection age was 11 years after planting with efficiency (E) of 1.23.

목차

ABSTRACT

INTRODUCTION

MATERIALS AND METHODS

RESULTS AND DISCUSSION

적요

LITERATURE CITED