The breeding and cultivating techniques of Ligustrum robustum
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Abstract
The breeding and cultivating techniques of Ligustrum robustum were studied.The results show that the seeds stored in the sand in cellar can be sown in March 2 and sprouted in the last ten day of April with a germination rate of 80%, an annual and average plant height of 62.3cm and an average radical diameter of 0.58cm;as the asexual breed,the effect of cuttage in autumn is better and the survival rate of short branches of wild spikes reaches 43.7% being 13.7% and 38.7% higher than those in spring and summer;the survival rate of germinated short branches of cuttage in autumn is 88.5% being 46% and 73.7% higher than those in spring and summer.On the forest land returned from the cultivated land,its suitable cultivated distance of plantlets and rows is from 0.8m×1.5m to 0.6m×1.5m and its suitable cultivated density is 8325~11100 plantlets/hm2 while on the barren hill side and uncultivated land ,they are 0.6m×2m and 8325 plantlets/hm2 respectively.
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