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Volume 5 Issue 4
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Article Navigation >  Forest Research  > 1992 >  5(4): 474-477

Citation:
shu

Study on the Air Sowing of Seeds Mixed with Two Antagonistic Bacteria

  • 1.

    The Research Institute of Forestry, Guizhou Province

  • 2.

    The General Station of Forest Management, Guizhou Province

  • 3.

    The Forest Bureau of Fenggang County, Guizhou Province

  • 4.

    The Forest Bureau of Zunyi Prefecture, Guizhou Province

  • Received Date: 1992-03-04
  • Two preparations of antagonistic bacteria, Pseudomonas sp. (P751), Bacillus cereus Fr. (Bc 752)——NONGFENGJUN were mixed separately with the seeds of Pinus massoniana Lamb, on large scale cultivation pf air sowing. In 10 533 hm2 trial area, the result shows that the effect of NONGFENGJUN No.2 (P 751) is better that of No.1 (Bc 752). The effect of air sowing increased by an average of 39.5%, the averege seedling height by 31.0%, the average length of seedling needle by 14.0%, the average seedling number by area by 79.9% and the average incidence of diseases, Cercospora pini-densiflorae and dampping-off are reduced by 67.3%. The average effect of diseases control is 97.8%. The effect of Bc 752 is better than that of P 751, reducing the average incidence of diseases by 97.9%.
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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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Study on the Air Sowing of Seeds Mixed with Two Antagonistic Bacteria

  • 1. The Research Institute of Forestry, Guizhou Province
  • 2. The General Station of Forest Management, Guizhou Province
  • 3. The Forest Bureau of Fenggang County, Guizhou Province
  • 4. The Forest Bureau of Zunyi Prefecture, Guizhou Province
  • Received Date: 1992-03-04
  • Available Online: 2012-12-04

Abstract: Two preparations of antagonistic bacteria, Pseudomonas sp. (P751), Bacillus cereus Fr. (Bc 752)——NONGFENGJUN were mixed separately with the seeds of Pinus massoniana Lamb, on large scale cultivation pf air sowing. In 10 533 hm2 trial area, the result shows that the effect of NONGFENGJUN No.2 (P 751) is better that of No.1 (Bc 752). The effect of air sowing increased by an average of 39.5%, the averege seedling height by 31.0%, the average length of seedling needle by 14.0%, the average seedling number by area by 79.9% and the average incidence of diseases, Cercospora pini-densiflorae and dampping-off are reduced by 67.3%. The average effect of diseases control is 97.8%. The effect of Bc 752 is better than that of P 751, reducing the average incidence of diseases by 97.9%.

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