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- Title
The Cotton Stainer (Dysdercus koenigii): An Emerging Serious Threat for Cotton Crop in Pakistan.
- Authors
Ali Shah, Syed Ishfaq
- Abstract
The researchers and progressive farmers of cotton growers of Punjab, Pakistan had been worrying for six years from 2005 to 2010 for an obscure causing agent of the warts and internal lint damage (rotting) of cotton bolls. Consequently, a two years study was launched in 2010 and 2011 thoroughly aimed at investigating the actual causing insect pest of warts on the internal carpel wall of cotton bolls. The cotton stainer, Dysdercus koenigii F (Hemiptera: Pyrrhocoridae), dusky cotton bug, Oxycarenus spp. (Hemiptera: Lygaeidae) and stink bug (Hemiptera·' Pentatomidae) were considered as the suspected insect pests and were planned to be caged. A total of six observations were made with 7 days interval, with a total duration of 41 days for each of the experiments. In each observation 10 bolls were observed m which the highest average of 4.8 warts boll-1 were recorded at the 5th observation while lowest average 0.8 warts boll-1 were observed at the 2nd observation. Whereas, in control and dusky cotton bug cages, there were no warts and no damage was recorded throughout the course of experiments.
- Subjects
PAKISTAN; DYSDERCUS; COTTON diseases &; pests; COTTON bolls; INSECT pest control; AGRICULTURE
- Publication
Pakistan Journal of Zoology, 2014, Vol 46, Issue 2, p329
- ISSN
0030-9923
- Publication type
Article