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The Studies on the Results of Improving the Low yield Stands of Camellia oleifera by means of Grafting Clones and the Determination of It′s Clones

  • Received Date: 1995-03-24
  • During the period 1986~1993,30.13 ha of low-yield stands of Camellia oleifera were transformed by grafting clones at the Tongkou Forest Farm,Fujian Province. In this paper,the results of the 0.130 ha low-yield stands reformed in 1986 were analysed. The results showed that the annual average oil yield was 261.756 kg/hm2 during 1991~1994,6.76 times than that before transformation and 5.98 folds than the controls. M15,M75 8,M75 7,M84 excellent clones were selected once more in the light of transformation of grafting clones. Their average oil yield was 567. 000~716. 400 kg/hm2,the rate of oil was 7.26%~9.22%,23.28%~55.76% higher than those of the testing stands and the fruits were not harmed by the anthraconse. The results of compatibility testing of 10 clones and the mutual cross combination of 3 excellent clones(M43,M48,and M60)showed that the average setting ratios were 21.1% and 27.4%,4.4% and 10.7% higher than that of the controls. In the meantime the four optimum combinations(M43×M48,M48×M49,M48×M56,M48×M62)were selected. Their seting ratios were over 50%. All these showed that strong mating capability was the major characteristics of the excellent clones,and the variation existed in mating capability of strains. The mating capability of clones could be raised by selection.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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The Studies on the Results of Improving the Low yield Stands of Camellia oleifera by means of Grafting Clones and the Determination of It′s Clones

  • 1. Fujian Research Institute of Forestry Fuzhou 350012
  • 2. State owned Tongkou Forest Farm, Minhou County, Fujian Province
  • 3. Section of Afforestation Management of Fujian Provincial Forestry Department

Abstract: During the period 1986~1993,30.13 ha of low-yield stands of Camellia oleifera were transformed by grafting clones at the Tongkou Forest Farm,Fujian Province. In this paper,the results of the 0.130 ha low-yield stands reformed in 1986 were analysed. The results showed that the annual average oil yield was 261.756 kg/hm2 during 1991~1994,6.76 times than that before transformation and 5.98 folds than the controls. M15,M75 8,M75 7,M84 excellent clones were selected once more in the light of transformation of grafting clones. Their average oil yield was 567. 000~716. 400 kg/hm2,the rate of oil was 7.26%~9.22%,23.28%~55.76% higher than those of the testing stands and the fruits were not harmed by the anthraconse. The results of compatibility testing of 10 clones and the mutual cross combination of 3 excellent clones(M43,M48,and M60)showed that the average setting ratios were 21.1% and 27.4%,4.4% and 10.7% higher than that of the controls. In the meantime the four optimum combinations(M43×M48,M48×M49,M48×M56,M48×M62)were selected. Their seting ratios were over 50%. All these showed that strong mating capability was the major characteristics of the excellent clones,and the variation existed in mating capability of strains. The mating capability of clones could be raised by selection.

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