受微生物和土壤改良剂影响的穿刺短体线虫（科布）种群
Pratylenchus penetrans (Cobb) Populations as Influenced by Microorganisms and Soil Amendments.
作者信息
Walker J T
出版信息
J Nematol. 1969 Jul;1(3):260-4.
Numbers of Pratylenchus penetrans in sterilized soil decreased significantly 2 weeks after the addition of 1% w/w (700 ppm N) nonsterile soybean meal (SBM), or sterilized SBM in combination with selected microorganisms. Sterilized SBM had no effect on nematode populations in steamed soil. Bacteria and fungi in the presence of SBM were more effective than the actinomycetes tested, causing up to 96-100% reduction in nematode populations. Simpler nitrogenous compounds included KNO, Ca(NO), NHNO, (NH)CO, urea, and peptone, decreased nematode populations with variable effectiveness when added to steamed soil at 700 ppm N; KNO was the most nematicidal.
在添加1%（w/w，相当于700 ppm氮）的未灭菌豆粕（SBM）或灭菌SBM与选定微生物的组合后2周，灭菌土壤中穿刺短体线虫的数量显著减少。灭菌SBM对蒸制土壤中的线虫种群没有影响。在SBM存在的情况下，细菌和真菌比所测试的放线菌更有效，可使线虫种群数量减少高达96%-100%。较简单的含氮化合物，包括硝酸钾（KNO₃）、硝酸钙[Ca(NO₃)₂]、硝酸铵（NH₄NO₃）、碳酸铵[(NH₄)₂CO₃]、尿素和蛋白胨，当以700 ppm氮添加到蒸制土壤中时，对线虫种群数量有不同程度的减少作用；硝酸钾的杀线虫效果最佳。
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