|Table of Contents|

Effect of Rootstock Age and Grafting Time on the Survival Rate of Walnut(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年20期
Page:
30-33
Research Field:
Publishing date:

Info

Title:
Effect of Rootstock Age and Grafting Time on the Survival Rate of Walnut
Author(s):
SHEN Nan-nan1; 2; ZHANG Ling1; 2; LI Mei-mei1; 2; LI Bao-guo1; 2; QI Guo-hui1; 2; NIU Bao-qing3; ZHANG Xue-mei1; 2
1.College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000；
2.The Center of Walnut Engineering Technology of Hebei,Lincheng,Hebei 054300；
3.The Forestry Bureau of Xuanhua County,Xuanhua,Hebei 075100
Keywords:
walnut; graft; tree-age; grafting time; survival rate
PACS:
S 664.116
DOI:
-
Abstract:
Taking ‘Lyuling’walnut variety as material,the influence of rootstock in different ages and grafting time on walnut graft survival rate and shoot growth were studied,in order to provide reference to improve the graft survival rate of walnut trees in poor quality.The results showed that,the graft survival rates of walnut rootstocks of 4-5 year-old,6-10 year-old and 11-20 year-old,flourishing trees more than 20 year-old and small old trees more than 20 year-old were 90.00%,86.42%,79.62%,70.17% and 38.60% respectively,the graft survival rates of 4-5 year-old rootstocks and 6-10 year-old rootstock were significantly higher than that of other treatments,there had no significantly different between the graft survival rates of 11-20 year-old rootstocks and flourishing trees elder than 20 year-old,but graft survival rates of 11-20 year-old rootstocks was significantly higher than that of small old trees elder than 20 year-old；the graft survival rates were 47.21%,65.43%,80.62%,85.69%,78.89%,48.01% respectively in 6 different grafting times,the graft survival rates in April 30-th was significantly higher than that in April 26-th and May 6-th,the graft survival rate of the 3 periods were significant higher than those of April 20-th,April 18-th and May 10-th,the graft survival rate of April 20-th was significantly higher than that of April 18-th and May 10-th;The new shoot growth length of 6 grafting periods were 131.11 cm,141.03 cm,132.73 cm,131.90 cm,87.50 cm respectively,and there had no significant difference.

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Last Update: 2014-11-19