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首页> 外文期刊>Journal of Nematology, with Annual of Applied Nematology >Effects of a commercial formulation of Paecilomyces lilacinus strain 251 on overseeded bermudagrass infested with Belonolaimus longicaudatus.
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Effects of a commercial formulation of Paecilomyces lilacinus strain 251 on overseeded bermudagrass infested with Belonolaimus longicaudatus.

机译：淡紫色拟青霉菌株251的商业制剂对长双歧杆菌侵染的过高的百慕大草的影响。

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摘要

Belonolaimus longicaudatus is an important parasite of both warm-season bermudagrass and winter overseed grasses used on golf courses in the southeastern United States. Field trials were conducted to study the effects of a commercial formulation of Paecilomyces lilacinus strain 251 applied to overseed grasses during the winter and early spring on population density of B. longicaudatus and bermudagrass health in late spring after bermudagrass broke dormancy. These studies found that P. lilacinus reduced numbers of B. longicaudatus in most cases, but not below damaging levels. Multiple applications of 1x1010 spores/m2 were generally more effective than 2x1010 spores/m2 in reducing nematode numbers and improving turf roots. These results indicate that application of this formulation of P. lilacinus strain 251 to overseeded turf in the spring may be a useful integrated pest management tool for B. longicaudatus on bermudagrass, but is not sufficient as a stand-alone nematode management tactic.
机译：Belonolaimus longicaudatus是美国东南部高尔夫球场使用的暖季百慕大草和冬季有种子草的重要寄生虫。进行了田间试验，研究了在冬季和早春施用于播种过的草的淡紫色拟青霉菌株251的商业配方对长春芽孢杆菌打破休眠后的长枝芽孢杆菌种群密度和春末芽孢杆菌健康的影响。这些研究发现，在大多数情况下，丁香假单胞菌减少了长双歧杆菌的数量，但没有低于破坏水平。通常，多次施用1x10 10 孢子/ m 2 比2x10 10 孢子/ m 2 更有效线虫数量和改善草皮根。这些结果表明，在春季将这种丁香假单胞菌菌株251的配方施用于过播种的草皮可能是在百慕大草上的长双歧杆菌的有用的综合害虫管理工具，但不足以作为单独的线虫管理策略。

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