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Comparative Study on Germination of Bretschneidara sinensis Seeds Treated with Solution Extracted from Forest Litter and Other Methods

  • Received Date: 2012-02-20
  • Experiments of germination of Bretschneidara sinensis seeds were conducted by the methods of field and indoor experiments by which the seeds were soaked in different solutions extracted from late-leaves forest litter, or treated with different growth hormones, or treated under different temperatures. The results are as follows: (1)Based on comparison, there were differences in germination rate among different solutions extracted from forest litter, but it was not so obvious. The highest percentage (69.2%) of germination was made by distilled water. The order of germination rate is distilled water>solution extracted from forest litter of Bretschneidara sinensis communities>solution extracted from forest litter of Castanopsis fabri communities. (2)According to the results of all the experiments, the solution of 200 mg·L-1 GA3 made the highest germination rate (80.0%) in which the seeds were soaked for 12 h. (3)The germination rate of nursery was very close to the experiment result made in indoor, but the highest percentage (70.4%) of germination is made by the alcohol solution extracted from forest litter of Bretschneidara sinensis communities. (4) Analysis of experiments showed that the optimal temperature for seed germination was 20℃ 25℃ and the highest percentage of seeds germination appeared at the 10th day to 26th day; besides, the seed germinating continued for 32 days. (5) The rate of seed decay was the highest at the time 7th-14th day during germination, and the seed decay would be postponed with the temperature rising,but the germination rate would be also lower.
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Comparative Study on Germination of Bretschneidara sinensis Seeds Treated with Solution Extracted from Forest Litter and Other Methods

  • 1. Garden Department, Hebei Professional College of Political Sciences and Law, Shijiazhuang 050061, Hebei, China
  • 2. Department of Life Science and Environmental Science of Gannan Normal University, Ganzhou 341000, Jiangxi, China
  • 3. College of Art and Landscape of Jiangxi Agricultural University, Nanchang 330045, Jiangxi, China

Abstract: Experiments of germination of Bretschneidara sinensis seeds were conducted by the methods of field and indoor experiments by which the seeds were soaked in different solutions extracted from late-leaves forest litter, or treated with different growth hormones, or treated under different temperatures. The results are as follows: (1)Based on comparison, there were differences in germination rate among different solutions extracted from forest litter, but it was not so obvious. The highest percentage (69.2%) of germination was made by distilled water. The order of germination rate is distilled water>solution extracted from forest litter of Bretschneidara sinensis communities>solution extracted from forest litter of Castanopsis fabri communities. (2)According to the results of all the experiments, the solution of 200 mg·L-1 GA3 made the highest germination rate (80.0%) in which the seeds were soaked for 12 h. (3)The germination rate of nursery was very close to the experiment result made in indoor, but the highest percentage (70.4%) of germination is made by the alcohol solution extracted from forest litter of Bretschneidara sinensis communities. (4) Analysis of experiments showed that the optimal temperature for seed germination was 20℃ 25℃ and the highest percentage of seeds germination appeared at the 10th day to 26th day; besides, the seed germinating continued for 32 days. (5) The rate of seed decay was the highest at the time 7th-14th day during germination, and the seed decay would be postponed with the temperature rising,but the germination rate would be also lower.

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