Lampson, Lyla J.

Parker, Steven P.

Undetermined

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Chemical Controls/New ProductsEFFICACY OF ECOZIN (AZADIRACrlTTN) +OIL AGAINSTOBLIQUEBANDED LEAFROLLERLylaJ. Lampson1 andSteven P. Parker2Sampson Research&Consulting54738Day RoadMilton-Freewater, OR 978622AMVAC1231Magnolia DriveWalla Walla, WA 99362Six combinations of leafroller/leafminer products with or without Ecozin(3% EC) +0.5% JMS Stylet-oil were applied by airblast sprayer on two year oldRed Delicious apples for control of obliquebanded leafroller (Choristoneurarosaceana) (OBLR), Treatments and-application dates are shown below:-Table 1. Treatment rates andapplication dates. .TreatmentDipel 2XAgri-mek + JMS Stylet-oilComply 40WPEcozin 3% EC +JMS Stylet-oilDipel 2X+Ecozin 3% EC +JMS Stylet-oilEcozin 3% EC +JMS Stylet-oilNeemix 4.5 +JMS Stylet-oilSuccess + JMSStylet-oilSuccessEcozin 3% EC +JMS Stylet-oilUntreated checkRate per acre2 lb/A10 fl oz/A-0.5%4oz/AlOfloz/A0.5% oil2 lb/A10 fl oz/A0.5%lOfloz/A0.5%6.67floz/A0.5%6floz/0.5%Date(s) Applied26Apr, 20May,24 Jun, 12 Jul,17Aug, 31Aug26Apr26 Apr 199810May 199824 Jun, 12 Jul,17 Aug, 31 Aug26Apr, 20May,24 Jun, 12 Jul17 Aug, 31 Aug26Apr, 20 May,24 Jun, 12 Jul,17 Aug, 31 Aug26Apr, 20May,24 Jun, 12 Jul17 Aug, 31 Aug26Apr20 May24 Jun, 12 Jul,17 Aug, 31 AugOverwintering leafroUer numbers were low but by the summer generationlarval numbers averaged over 12larvae per tree in the four untreated checkreplicates. As shown in Table 2, over the course of the season the Dipel +Ecozin +oil combination performed the best overall against OBLR, withSuccess +Ecozin +oil close behind. Dipel by itself, Comply/Ecozin +oil andEcozin +oil were intermediate in performance, and Neemix +oil the poorestperformer against-OBLR,73#~#~##Egg~*-#—i-j——jLarvaeLarvaeLarvaemassesLarvaeLarvaeLarvaeLarvaeTREATMENTS26Apr11May24May23Jun12Jul26Jul30Aug—15Sep~Dipel2X(6x)+2.0a2.5a1.5a0.2ab1.5ab28.8ab5.5b3.8abAgn-mek+oil(lx)Comply40WP(2x)2.5a6.0a4.5aoTabI57bWFl10\2bc"12.0abc+Ecozin+oil(4x)Dipel2X+Ecozin1.8a0.8a0.0a"~OJ0!05aWlL8a28T+oil(6x)Ecozin+oil(6x)2.8a3.0a5.5a0.2ab5Uab2(L2a19.2cd17.2be^Neemix+oil(6x)2.2a3.0aUiWcTTTbc76\0b24.0cd2L27Success(2x)+oil2.0a0.2a0.0a0.2ab02azTa"58"F(lx) +Ecozin+oil(4x)6.8abUntreated2.0a2.0a2.5a1.2be16.8c73.7b34.5d40.8d"Meansinthesamecolumnfollowedbythesameletternotsignificantlydifferent(p=0.05,Fisher'sProtectedW—W*—l••'''i.»—^.—-..—•-.-,mi-min-iiiinn—nEFFICACY OF ECOZIN (AZADIRACHTIN) + OIL AGAINSTOBLIQUEBANDED LEAFROLLERLylaJ. Lampson1 and Steven P. Parker2Pesticides Used in Trial:TRADE NAMEAgri-mek (Novartis)Comply (Novartis)Dipel 2X (Abbott)Ecozin (AMVAQNeemix (W. R. Grace)Success (Dow)75COMMON NAMEAbamectinFenoxycarbBacillus thuringiensisAzadirachtinAzadirachtinSpinosad

Efficacy of Ecozin (Azadiracrlttn) + oil against obliquebanded leafroller

https://ir.library.oregonstate.edu/downloads/fb494g71b

Efficacy of Ecozin (Azadiracrlttn) + oil against obliquebanded leafroller

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