Management of Scriptothrip Dorsalis (Thysanoptera; Thripidae) in Chilli Crop

Shehnaz  Pathan; Abdul Waheed  Solangi; Jan Muhammad Marri; Sajjad Ali Khuhro; Abdul Ghani Lanjar

doi:10.38211/joarps.2023.04.02.111

Authors

Shehnaz Pathan Department of Plant Protection, Faculty of Crop Protection, Sindh Agriculture University, Tandojam-Pakistan
Abdul Waheed Solangi Department of Plant Protection, Faculty of Crop Protection, Sindh Agriculture University, Tandojam-Pakistan https://orcid.org/0000-0002-4139-921X
Jan Muhammad Marri Department of Agriculture, Supply & Prices Agriculture, Extension wing, Government of Sindh, Pakistan
Sajjad Ali Khuhro Department of Agriculture, Supply & Prices Agriculture, Extension wing, Government of Sindh, Pakistan
Abdul Ghani Lanjar Department of Plant Protection, Faculty of Crop Protection, Sindh Agriculture University, Tandojam-Pakistan

DOI:

https://doi.org/10.38211/joarps.2023.04.02.111

Keywords:

IPM, Chilli, Scriptothrip dorsalis, Color Sticky Traps and heights

Abstract

Chilli crop is drastically damaged by chilli thrip due to cryptic in nature and difficult to monitor the population till damge symptoms become visible. Simultaneously, this noxious pest mainly controlled by the use of chemicals, which lead to several problems. The main purpose of the present research is to monitor, manage and keep thrip population below economic thresh hold level (ETL) by using various colour (Yellow, Blue, Green & Whitesheets) sticky traps on various trap heights (30, 60,90 & 120 centimeters) were instlled in Randomized complete block design (RCBD) with three replications at fazal stop,Tandoallahyar during March, 2018 for the management of chilli thrip population efficiently. As a results of scouting experiment, it was confirmend that the yellow color sticky trap was significantly attracted highest number of Scirtothrips dorsalis than other sticky traps with significant differences (F=11.58; df=259, P<0.001), also the maximum thrips were captured on traps which were installed at 90cm height as compared to other heights. During management trial, the significant reduction in thrip population was recorded in IPM plots, t-test showed a significant difference (t=6.11, F=0.75; df=114, P<0.0001) in IPM and conventional plots. Since, the yellow color sticky trap attracted much more number of thrips at the height of 90cm. Thus, it is recommended as important components of IPM for the management of thrip in chilli agri-eco system

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