Chawanapong, M. and Jumroenma, K. and Prachuabmoh, O. and Jamornmarn, S. (1988) Sorghum shoot fly management. Documentation. Kasetsart University, Bangkok (Thailand).
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Abstract
Sorghum shoot fly, Atherigona soccata Rondani (muscidae: Diptera) is an important pest of sorghum in the seedling stage. The larvae of the fly feed within the growing point of the young shoot causing deadheart symptom. Field studies were carried out at the National Corn and Sorghum Research Center, Nakhonratchasima Province, in 1986-1987. The results of the estimation of yield and economic losses caused by different levels of shoot fly infestation of three recommended sorghum varieties, Uthong 1, KU 439 and KU 8501, by using carbofuran granule at the planting time at 1.9 kg. ai/ha showed that the sorghum damaged at 1, 2, 3 and 4 weeks old could produce effective tiller 14.18, 71.77, 82.44 and 77.78 % respectively. There was a significant positive correlation between percentage deadhearts and yield losses. For each 1 % increase in deadhearts, there was about 0.63 % in yield losses. Efficacy of some insecticides was evaluated in the field for the control of shoot fly on the sorghum KU 439 showed that the infestation in untreated plot was highest when the plant was two weeks old. For reducing shoot fly attack and for improving the grain yield at an infestation level of 75 % ranged from 50 % to 75 % at this growth stage, a single spray application of carbosulfan at 0.25 kg. ai/ha at one week old of sorghum in the farmer field and applying terbufos granule at sowing at 1.9 kg. ai/ha in the experimental field were effective in controlling this pest.
| Item Type: | Monograph (Documentation) |
|---|---|
| Uncontrolled Keywords: | pests of plants, Atherigona soccata, Infestation, Sorghum bicolor, RP9317 |
| Author Affiliation: | Corn and Other field crops insect pests research group, Entomology and zoology division, Department of Agriculture, Department of entomology, Kasetsart University, Thailand |
| Subjects: | Plant Protection |
| Divisions: | Sorghum |
| Depositing User: | Mr B Krishnamurthy |
| Date Deposited: | 26 Sep 2014 10:33 |
| Last Modified: | 26 Sep 2014 10:33 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/13339 |
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