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山核桃与薄壳山核桃种间杂交F1代果实及苗木性状变异分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年03期
Page:
29
Column:
研究简报
publishdate:
2011-06-13

Article Info:/Info

Title:
Genetic analysis on fruits and seedlings characters variation of F1 between Carya cathayensis and C. illinoensis
Author(s):
WANG Nianjin1 CHEN Jun1 JIANG Junma2LIU Rongchang2 YAO Xiaohua3 WANG Kailiang3WANG Guocai4
1. Forest Bureau of Chun′an County, Chun′an 311700, China;2. Xuyuan Forest Farm of Chun′an County, Chun′an 311701, China;3. The Research Institute of Subtropical Forestry,CAF, Fuyang 311400, China;4. Wangfuxiang Forest Station of Chun′an County, Chun′an 311715,China
Keywords:
Carya cathayensis Carya illinoensis interspecific hybridization F1 generation character variation
Classification number :
S722
DOI:
10.3969/j.jssn.1000-2006.2011.03.030
Document Code:
A
Abstract:
The main characters of fruits and seedlings of F1 obtained by hybridization between male parent Corya illinoensis and female parent Carya cathayensis were examined. The results showed that characters of F1 were significantly different from that of control in terms of weight and size of fruit and seed, height and diameter of seedlings growth. The weight, height and diameter of fruits were higher than the control by 291 %, 72 %, 110 %, respectively. And the weight, height and diameter of seed were higher than the control by 309 %,813 %,124 %, respectively. The average height and diameter of 3 years old seedlings were higher than the control by 181 % and 197 %. And it could achieve 292 % and 3281 % after having planted for 2 years. Therefore, It was effective to increase fruit size and improve characters through interspecific hybridization. Seedlings with double embryos in F1 generation accounted for 10 % which was 5 times higher than the control.

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Last Update: 2011-06-13