Selection of media for hardwood cuttings container seedling-raising of triploid Clones of Populus tomentosa
2008
Zhang Pingdong | Wang Hongjing | Song Jinli
[Objective] The experiment was aimed to select effective and economical media for container seedling of triploid clones of Populus tomentosa that was carried out. [Method] The sandy loam, peat, perlite, vermiculite, riversand, sludge were taken as media of hardwood cutting and survival rate, seedling height were taken as indexes to select media for container seedling of triploid clones of Populus tomentosa. [Result] Different mixedmedia had great influence on survival rates of container seedlings. Taking peat and vermiculite with the proportion of 5:2 (M10) or peat, vermiculite with the proportion of 7:2 (M11) or sandy loam (M1) as media would generate higher cutting survival rate that was higher than 90.0%. There are significant difference in height increments of container seedlings. Taking sandy loam, peat and vermiculite with the proportion of 6:2:2（M5）or sandy loam (M1), seedling height of 60-days the seedling was over 37.0 cm. [Conclusion] According to cost analysis of nursery medium, the optimum medium for hardwood cuttings container seedling-raising of triploid clones of Populus tomentosa was sandy loam.
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