Study on Geographic Variation of Morphology and Economic Character of Fruit and Seed of Sapindus mukorossi

SHAO Wen-hao; DIAO Song-feng; DONG Ru-xiang; JIANG Jing-min; YUE Hua-feng

The morphological characters of fruit, seed and kernel oil content of Sapindus mukorossi in 7 producing areas were investigated. The results of variance analysis showed that the degrees of characters variation were different among individuals in these producing areas, but most characters had wide range of variation in most producing areas, so individual selection was effective. However, all characters had significant differences among producing areas. The producing area of Xixia County of He'nan Province had obvious differentiation from the others, and with bigger fruits and seeds. The oil content of kernel, with the smallest variation coefficient, had no obvious correlation with geographical factors of different producing areas. In contrast, the seed weight and kernel rate had larger variation coefficient among different producing areas, and they had significant positive correlations with the size of fruits and seeds. So it is feasible to raise oil content by selecting big fruits and seeds. Cluster and correlation analysis showed that, to a certain degree, there was a variation trend that the fruit size, seed size and kernel rate grew larger in the low-latitude producing areas than in the high-latitude producing areas. Therefore, selecting high oil content individuals should be carried out mainly in high-latitude producing area, and focused on these individuals with big fruits and seeds.

1. Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, Zhejiang, China

Received Date: 2012-10-29

Abstract: The morphological characters of fruit, seed and kernel oil content of Sapindus mukorossi in 7 producing areas were investigated. The results of variance analysis showed that the degrees of characters variation were different among individuals in these producing areas, but most characters had wide range of variation in most producing areas, so individual selection was effective. However, all characters had significant differences among producing areas. The producing area of Xixia County of He'nan Province had obvious differentiation from the others, and with bigger fruits and seeds. The oil content of kernel, with the smallest variation coefficient, had no obvious correlation with geographical factors of different producing areas. In contrast, the seed weight and kernel rate had larger variation coefficient among different producing areas, and they had significant positive correlations with the size of fruits and seeds. So it is feasible to raise oil content by selecting big fruits and seeds. Cluster and correlation analysis showed that, to a certain degree, there was a variation trend that the fruit size, seed size and kernel rate grew larger in the low-latitude producing areas than in the high-latitude producing areas. Therefore, selecting high oil content individuals should be carried out mainly in high-latitude producing area, and focused on these individuals with big fruits and seeds.

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Reference (20)

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Study on Geographic Variation of Morphology and Economic Character of Fruit and Seed of Sapindus mukorossi

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