Effect of environmental characteristics on Pythium and Mesocriconema spp. in golf course greens in Alabama
Effect of environmental characteristics on Pythium and Mesocriconema spp. in golf course greens in Alabama
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DOI：
10.1139/w05-005
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发表时间：
2005-04-01
影响因子：
2.8
通讯作者：
Bowen, KL
中科院分区：
文献类型：
--
作者：
Allen, TW;Han, DY;Bowen, KL
环境对腐霉属和中丝线虫属种群的作用。在亚拉巴马中东部的5个高尔夫球场进行了调查。每4至5周从5个高尔夫球场的每个球场的3个高尔夫果岭收集土壤样品。还收集了环境数据，包括空气和土壤温度、pH值和相对湿度。采用稀释平板法和筛分-糖浮选法测定腐霉属和中丝线虫属的种群数量。每个月都有。还鉴定了4个月的腐霉分离物。腐霉属随着采样前土壤温度和环境空气温度的降低，种群数量增加（P < 0.05）。腐霉属种群数量在冬季最高，春季最低。在一些地方，中丝线虫属的种群。随着土壤酸度的增加和腐霉种群数量的增加，随着采样前环境温度的升高，各浓度组间差异有显著性（P < 0.05）。4个月内分离到8种腐霉，其中喙腐霉是最常见的分离菌。结果表明，腐霉属和中丝线虫属。喜欢不同的土壤环境。
The role the environment has on populations of Pythium and Mesocriconema spp. was investigated at 5 golf course locations in east central Alabama. Every 4 to 5 weeks soil samples were collected from 3 golf greens on each of the 5 golf courses. Environmental data, including air and soil temperature, pH and relative humidity, were also collected. Dilution plating and a combined sieving and sugar flotation procedure were conducted to determine the populations of Pythium and Mesocriconema spp. for each month. Isolates of Pythium from 4 months were also identified. Pythium spp. populations increased as soil temperature and ambient air temperature prior to sampling decreased (P < 0.05). Pythium spp. populations were highest in the winter and lowest in the spring. At some locations, populations of Mesocriconema spp. increased as soil acidity and populations of Pythium spp. decreased (P < 0.05) and as ambient air temperature prior to sampling increased (P < 0.05). Eight species of Pythium were isolated from 4 months, with Pythium rostratum being the most commonly isolated. Results suggest that Pythium and Mesocriconema spp. prefer different soil environments.