The Efficacy of Sterilizing Agents, Copper Oxychloride, Vegetable Oil and Agrowipe (Botanic Neem Extract) against Crown Gall Disease of Roses in Kericho, Kenya

Abstract

The experiments were conducted at ]ames Finlay Kenya, flowers division Tarakwet farm in Kericho county from Ianuary 2016 to December 2016 to study Article Inf" the efficacy of copper oxychloride 1.0 g/L, hydrogen peroxide 1.0 mL/L, dettol 0.5 mL/L and 1,0 mL/L, agrowipe undiluted and fresh fri undiluted as control Volume 2' Issue 4' October 2020 agents of crown gall disease in roses. Crown gall causes losses of between Received 3 03 MaY 2020 75-95% on susceptible rose varieties hence the need to develop effective control Accepted : 18 August 2020 strategies. Results showed plots treated with agrowipe and fresh fri had higher Published; 05 October 2020 yield of roses, which were of better quality, longer, heavier and also inhibited do,-_. M33472/AFIB5_Z_3_Z0Z0_115421 growth of crown gall tumors and fresh crown gall growths compared to copper oxychloride at 1.0 g/L and untreated control. Dettol at 0.5 mL/L, 1.0 mL/L and hydrogen peroxide 1.0 mL/L had moderate yield of roses and crown gall control, Similar results were observed in the pot trials. Agrowipe and fresh fri effectively controlled crown gall diseases hence were recommended for use in controlling crown gall disease in roses in Kenya. Keywords: Agrowipe, Crown gall, Control agents, Tumor, Roses © 2020 African]ournal of Biological Scicnccs.This is an open access articlc under tho CC BY liccnsc (l1ttp5I/ /crcativccomm0ns.org/ liccnscs/by/ 4.0/), which permits unrestricted usc, distribution, and reproduction m any medium, provided you give appropriate credit to the original auti'\or(s) and thesource, provide a link to die Creative Commons license, and indicate it changes were made