{"title":"棉花棉铃象鼻虫的防治，1990","authors":"Donald R. Johnson, G. Studebaker","doi":"10.1093/iat/18.1.228","DOIUrl":null,"url":null,"abstract":"\n Insecticides were applied on 24, 30, Aug and 3, 7, 12 Sep on ‘DPL 90’ cotton in Lonoke County, AR using a John Deere Hi-Cycle 6000 sprayer equipped with a CO2 powered system for spraying small plots. The sprayer was calibrated to deliver 10 gal/acre at 50 psi through TX-8 hollowcone nozzles on a 19-inch spacing. Plots were 9, 38-inch rows, 75 ft long arranged in a RCB design with 4 replications and a skip row between plots to discourage boll weevil movement between plots. Boll weevil ratings were made 4-5 DAT by examining 25 squares/plot for boll weevil damage. Bollworms were controlled using Bolstar 6 EC at 1.0 (AI)/acre in all plots. Plots were harvested using a John Deere 2-two picker, harvesting the center 2 rows of each plot.","PeriodicalId":13691,"journal":{"name":"Insecticide and Acaricide Tests","volume":"8 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Control of Boll Weevils in Cotton, 1990\",\"authors\":\"Donald R. Johnson, G. Studebaker\",\"doi\":\"10.1093/iat/18.1.228\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n Insecticides were applied on 24, 30, Aug and 3, 7, 12 Sep on ‘DPL 90’ cotton in Lonoke County, AR using a John Deere Hi-Cycle 6000 sprayer equipped with a CO2 powered system for spraying small plots. The sprayer was calibrated to deliver 10 gal/acre at 50 psi through TX-8 hollowcone nozzles on a 19-inch spacing. Plots were 9, 38-inch rows, 75 ft long arranged in a RCB design with 4 replications and a skip row between plots to discourage boll weevil movement between plots. Boll weevil ratings were made 4-5 DAT by examining 25 squares/plot for boll weevil damage. Bollworms were controlled using Bolstar 6 EC at 1.0 (AI)/acre in all plots. Plots were harvested using a John Deere 2-two picker, harvesting the center 2 rows of each plot.\",\"PeriodicalId\":13691,\"journal\":{\"name\":\"Insecticide and Acaricide Tests\",\"volume\":\"8 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Insecticide and Acaricide Tests\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1093/iat/18.1.228\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Insecticide and Acaricide Tests","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/iat/18.1.228","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Insecticides were applied on 24, 30, Aug and 3, 7, 12 Sep on ‘DPL 90’ cotton in Lonoke County, AR using a John Deere Hi-Cycle 6000 sprayer equipped with a CO2 powered system for spraying small plots. The sprayer was calibrated to deliver 10 gal/acre at 50 psi through TX-8 hollowcone nozzles on a 19-inch spacing. Plots were 9, 38-inch rows, 75 ft long arranged in a RCB design with 4 replications and a skip row between plots to discourage boll weevil movement between plots. Boll weevil ratings were made 4-5 DAT by examining 25 squares/plot for boll weevil damage. Bollworms were controlled using Bolstar 6 EC at 1.0 (AI)/acre in all plots. Plots were harvested using a John Deere 2-two picker, harvesting the center 2 rows of each plot.
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