我国银杏遗传变异研究之二——种仁营养成分和无机元素含量的变异

doi:10.11707/j.1001-7488.20020226

Scientia Silvae Sinicae ›› 2002, Vol. 38 ›› Issue (2): 157-161.doi: 10.11707/j.1001-7488.20020226

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STUDY ON GENETIC VARIATION OF GINKGO BILOBA Ⅱ. THE VARIATION OF CONTENT OF NUTRIENT SUBSTANCE AND MINERAL ELEMENT IN NUT AMONG AND WITHIN POPULATION

Lin MuJiu,Zhang Yunyue,Ma Changgeng

Forest Scientific and Technical Expand Station, Hunan Province Changsa 410007;Anhua Forestry Bureau, Hunan Province Anhua 413500;The Research Institute of Forestry, CAF Beijing 100091

Received:1999-05-21 Revised:1900-01-01 Online:2002-03-25 Published:2002-03-25

Abstract

Abstract:

The contents of starch, fat, protein, macro-and micro-elements of Ginkgo nuts collected from 42 trees located at 13 original regions in 9 provinces were determined. The results showed that differences among regions were higher than those among individuals within region, although the variation level for all the compositions and mineral elements were lower. Therefore, at present selection and application of high-yielding genotypes was a proper strategy to genetic improvement of Ginkgo biloba. Because increase of nut yield through individual selection within population will be achieved more easily and quickly than that for nut quality improvement in a short time.

Key words: Ginkgo biloba, Nutrient substance, Mineral element, Genetic variation

Lin MuJiu;Zhang Yunyue;Ma Changgeng. STUDY ON GENETIC VARIATION OF GINKGO BILOBA Ⅱ. THE VARIATION OF CONTENT OF NUTRIENT SUBSTANCE AND MINERAL ELEMENT IN NUT AMONG AND WITHIN POPULATION[J]. Scientia Silvae Sinicae, 2002, 38(2): 157-161.

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STUDY ON GENETIC VARIATION OF GINKGO BILOBA Ⅱ. THE VARIATION OF CONTENT OF NUTRIENT SUBSTANCE AND MINERAL ELEMENT IN NUT AMONG AND WITHIN POPULATION

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