Aerial Application Control of the Sugarcane Borer, 1992:

L. M. Rodriguez, J. Skias, A. Younis, T. E. Reagan
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Abstract

Insecticides were applied to first ratoon sugarcane (4 replications) at Palo Alto Plantation, Donaldsonville, LA, for season-long control of SCB. Each treatment was applied in water using an Ag Cat with swaths of 14.5 m (8 rows) wide delivering 18.7 liters of finished product/hectare. The 1st application was made when 60% of the stalks showed visible internodes, and >5% of stalks sampled contained live larvae present in the leaf sheaths (the Louisiana State University-recommended threshold). The 1st treatment was applied on 28 Jul; the 2nd on Aug 16, when SCB infestation in the Asana XL treatment exceeded the economic threshold. SCB damage was estimated by examining 15 plants at 5 locations in each plot (75 stalks). The number of bored internodes, exit holes and total number of internodes were counted (Oct 9) and statistically analyzed using Analysis of Variance and mean separation by LSD (0.05) tests.
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甘蔗螟虫的空中施用控制,1992;
在美国洛杉矶Donaldsonville的Palo Alto种植园,对第一代甘蔗(4个重复)施用杀虫剂,以控制SCB的整个季节。每种处理都使用14.5米(8行)宽的Ag Cat水处理,每公顷产出18.7升成品。第一次施用时,60%的秸秆显示出可见的节间,并且超过5%的秸秆样本含有叶鞘内的活幼虫(路易斯安那州立大学推荐的阈值)。第一次治疗于7月28日进行;第二次发生在8月16日,Asana XL处理的SCB侵染超过了经济阈值。通过检查每个小区5个地点的15株植物(75茎)来估计SCB的危害。统计钻孔节间数、出孔数和节间总数(10月9日),采用方差分析和LSD(0.05)平均分离进行统计学分析。
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