Analysis on Factors Affectting Graft Survival and Growth of Fraxinus mandshurica

The optimal time of graft was in the middle and the last ten-day of May.The best method was tongue grafting,followed by cleft grafting and approach grafting.The graft survival rate with apical bud(97.2%)was significantly higher than that of axillary bud(43.1%).The graft survival rate of female(87.2%)was higher than that of male(79.2%),the both difference was very significant.The graft growth of the male was higher than that of female in that year,the difference was also very significant.The survival rate of grafting at 1m on stock was similar to that on at 0.1m,the difference was no significant.

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