Control of the Black Turfgrass Ataenius on a Golf Course Fairway in Ashland County, Oh, 1992

Insecticide and Acaricide Tests Pub Date : 1993-01-01 DOI:10.1093/iat/18.1.323a

K. Power, D. Shetlar, H. Niemczyk, M. Belcher

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Abstract

The study was located on a golf course fairway at Jeromesville. Insecticides and entomopathogenic nematodes were applied 29 Jun to plots 2.4 X 3.1 m arranged in RCB replicated 4 times. Granular insecticides were applied using a drop spreader and liquids using a CO2 sprayer with Teejet XR8006VS nozzles at 2.46 kg/cm2 pressure that delivered a volume of 407 liter/ha. Nematodes were applied with a CO2 sprayer using Teejet 8015 noziles at 3.87 kg/cm2 pressure that delivered a spray volume of 990 liter/ha. The experimental area was irrigated approximately 6.4 mm after all treatments were applied but before sprays had dried on the grass blades. BTA populations was ca. 40/0.1 m2, 60% 1st, 20% 2nd, 20% 3rd instars. Environmental conditions at time of treatment were: turf: level, dry, 1.6 cm height, 50% annual bluegrass, 30% perennial ryegrass, 20% annual bluegrass; thatch: dense, moist, 1.3 cm; soil: moist, 65°F at 2.54 cm and 67°F at 7.62 cm; weather: sunny, 64°F, wind 0-8 km/h; water: pH 6.65. Efficacy data were taken on 7 and 9 Jul (8 & 10 DAT) based on the number of live BTA larvae and pupae in 6, 10.8 cm diam samples from each plot. No phytotoxicity was observed.

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阿什兰县高尔夫球场球道上黑色草坪草Ataenius的控制，Oh, 1992

这项研究是在杰罗姆斯维尔的一个高尔夫球场球道上进行的。6月29日，在2.4 X 3.1 m的地块上施用杀虫剂和昆虫病原线虫，布置在重复4次的RCB中。颗粒状杀虫剂使用滴药喷雾器，液体使用CO2喷雾器，使用Teejet XR8006VS喷嘴，压力为2.46 kg/cm2，体积为407升/公顷。线虫使用Teejet 8015喷嘴进行CO2喷雾，压力为3.87 kg/cm2，喷雾量为990 l /ha。在施用所有处理后，但在喷雾剂在草叶上干燥之前，对试验区进行约6.4 mm的灌溉。种群数约为40/0.1 m2, 1龄占60%，2龄占20%，3龄占20%。处理时的环境条件为:草皮:平整、干燥、1.6 cm高、50%一年生蓝草、30%多年生黑麦草、20%一年生蓝草;茅草:浓密，潮湿，1.3厘米;土壤:湿润，2.54厘米65华氏度，7.62厘米67华氏度;天气:晴朗，64华氏度，风速0-8公里/小时;水:pH值6.65。分别于7月7日和9日(8日和10日)根据每个小区直径为6、10.8 cm的样本中BTA幼虫和蛹的活虫数进行药效测定。未观察到植物毒性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Insecticide and Acaricide Tests

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