Phenotypic Diversity of Hybrids Progenies of Seabuckthorn and Selection
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1.
State Key Laboratory of Tree Genetics and Breeding,Research Institute of Forestry,Chinese Academy of Forestry,Beijing 100091,China
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2.
Experimental Center of Desert Forestry,Chinese Academy of Forestry,Dengkou 015200,Inner Mongolia,China
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Received Date:
2011-02-20
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Abstract
In order to improve both the economic value and ecological adaptability of seabuckthom, Chinese Seabuckthorn (Hippophae rhamnoides ssp.sinensis) as female parent was crossed with Russian and Mongolian Seabuckthom (H.rhamnoides ssp. Mongolica) as male parent. The cross pollination was started in 2002.It was found that the phenotypic variations of hybrids progenies were obvious. The most important economical indices, such as numbers of thorns, 100-berry weight and berry yields, were found having the biggest phenotypic variations extent. Three hybrid individual trees were selected in 2009. Experimental results indicated that the selected 3 hybrids were significantly larger than the male parents in height and fewer thorns than the female parents. The 100-berry weight and berry yields of superior hybrids arrived respectively 26.33~29.33 g, and 2.00~ 2.50 kg, compared with female parent Chinese Seabuckthorn, improved by 31.34%~46.30%, 66.67%~108.33%. The hybrid progenies had an important variation law that the stems, having bigger growth quantities, had smaller berries and seeds, the phenomena were consistent with appearance characteristics of male and female parents.
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Proportional views
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