Henrico Luís Bizão de Assis, P. Paiva, P. C. D. Silva, Gustavo Gondim de Morais
{"title":"氯虫腈在甘蔗种植沟和叶面喷雾中的防治效果","authors":"Henrico Luís Bizão de Assis, P. Paiva, P. C. D. Silva, Gustavo Gondim de Morais","doi":"10.15361/1984-5529.2019v47n3p278-282","DOIUrl":null,"url":null,"abstract":"Sugarcane borer ( Diatraea saccharalis ) is one of the most important insect pests in sugarcane crops in Brazil. Historically, this insect has been controlled with releases of parasitoid Cotesia flavipes . However, chemical control with diamides and insect growth regulators has been used to help in control of this pest. In this study, the effectiveness of the diamide chlorantraniliprole applied in the sugarcane planting furrow and foliar spray on sugarcane borer damage and production were assessed. The experiment was carried out in an experimental area of SP80-3280 sugarcane variety, planted in November 2016 in Uberaba (Brazil), followed a randomized block design with four treatments: control, chlorantraniliprole foliar (21 g ha ‒1 ), chlorantraniliprole furrow (105 g ha ‒1 ), and chlorantraniliprole furrow (105 g ha ‒1 ) + foliar (21 g ha ‒1 ), with five replicates (plots). Each experimental plot had six planting lines of 10 m long spaced 1.5 m (90 m 2 ). One chlorantraniliprole application in the planting furrow and foliar spray was performed in November 2016 and in March 2017, respectively. All plots were infested with D. saccharalis eggs in February and March 2017. In May 2017, the plant height, stalk diameter, and number of tillers were assessed. In October 2017, the mass of stalks, sugarcane borer holes, number and percentage of damaged internodes were evaluated. Chlorantraniliprole applied in the planting furrow did not reduce the damage caused by D. saccharalis . The spray of chlorantraniliprole reduced the damage of the sugarcane borer in about 52%. The chlorantraniliprole application did not affect the initial sugarcane development or its production. One chlorantraniliprole spray in sugarcane was not enough to avoid the D. saccharalis damage and other additional control measures should be used.","PeriodicalId":35044,"journal":{"name":"Cientifica","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2019-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Efficacy of chlorantraniliprole applied in sugarcane planting furrow and foliar spray to control of sugarcane borer\",\"authors\":\"Henrico Luís Bizão de Assis, P. Paiva, P. C. D. 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The experiment was carried out in an experimental area of SP80-3280 sugarcane variety, planted in November 2016 in Uberaba (Brazil), followed a randomized block design with four treatments: control, chlorantraniliprole foliar (21 g ha ‒1 ), chlorantraniliprole furrow (105 g ha ‒1 ), and chlorantraniliprole furrow (105 g ha ‒1 ) + foliar (21 g ha ‒1 ), with five replicates (plots). Each experimental plot had six planting lines of 10 m long spaced 1.5 m (90 m 2 ). One chlorantraniliprole application in the planting furrow and foliar spray was performed in November 2016 and in March 2017, respectively. All plots were infested with D. saccharalis eggs in February and March 2017. In May 2017, the plant height, stalk diameter, and number of tillers were assessed. In October 2017, the mass of stalks, sugarcane borer holes, number and percentage of damaged internodes were evaluated. Chlorantraniliprole applied in the planting furrow did not reduce the damage caused by D. saccharalis . The spray of chlorantraniliprole reduced the damage of the sugarcane borer in about 52%. The chlorantraniliprole application did not affect the initial sugarcane development or its production. 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引用次数: 0
摘要
甘蔗蛀虫(Diatraea saccharalis)是巴西甘蔗作物中最重要的害虫之一。从历史上看,这种昆虫一直是通过释放拟寄生物黄颡虫来控制的。然而,使用杀虫剂和昆虫生长调节剂进行化学防治已被用于帮助控制这种害虫。在本研究中,评估了在甘蔗种植沟和叶面喷雾中施用二酰胺氯硝苯胺对甘蔗蛀虫危害和产量的影响。该试验在2016年11月在乌得拉巴(巴西)种植的SP80-3280甘蔗品种的试验区内进行,采用随机区组设计,共有四个处理:对照、氯虫腈叶面处理(21 g ha-1)、氯虫脒沟处理(105 g ha-1。每个试验小区有六个10米长、间隔1.5米(90平方米)的种植线。分别于2016年11月和2017年3月在种植沟和叶面喷雾中施用了一次氯虫腈。2017年2月和3月,所有地块均被糖精D。2017年5月,对株高、茎径和分蘖数进行了评估。2017年10月,对秸秆质量、甘蔗蛀虫孔、受损节间数量和百分比进行了评估。在种植沟中施用氯虫脒并不能减少糖精引起的危害。喷洒氯虫腈可使甘蔗蛀虫的危害降低52%左右。氯虫脒的施用没有影响甘蔗的初始发育或生产。在甘蔗中喷洒氯虫腈不足以避免对D.saccharis的损害,应采取其他额外的控制措施。
Efficacy of chlorantraniliprole applied in sugarcane planting furrow and foliar spray to control of sugarcane borer
Sugarcane borer ( Diatraea saccharalis ) is one of the most important insect pests in sugarcane crops in Brazil. Historically, this insect has been controlled with releases of parasitoid Cotesia flavipes . However, chemical control with diamides and insect growth regulators has been used to help in control of this pest. In this study, the effectiveness of the diamide chlorantraniliprole applied in the sugarcane planting furrow and foliar spray on sugarcane borer damage and production were assessed. The experiment was carried out in an experimental area of SP80-3280 sugarcane variety, planted in November 2016 in Uberaba (Brazil), followed a randomized block design with four treatments: control, chlorantraniliprole foliar (21 g ha ‒1 ), chlorantraniliprole furrow (105 g ha ‒1 ), and chlorantraniliprole furrow (105 g ha ‒1 ) + foliar (21 g ha ‒1 ), with five replicates (plots). Each experimental plot had six planting lines of 10 m long spaced 1.5 m (90 m 2 ). One chlorantraniliprole application in the planting furrow and foliar spray was performed in November 2016 and in March 2017, respectively. All plots were infested with D. saccharalis eggs in February and March 2017. In May 2017, the plant height, stalk diameter, and number of tillers were assessed. In October 2017, the mass of stalks, sugarcane borer holes, number and percentage of damaged internodes were evaluated. Chlorantraniliprole applied in the planting furrow did not reduce the damage caused by D. saccharalis . The spray of chlorantraniliprole reduced the damage of the sugarcane borer in about 52%. The chlorantraniliprole application did not affect the initial sugarcane development or its production. One chlorantraniliprole spray in sugarcane was not enough to avoid the D. saccharalis damage and other additional control measures should be used.