Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094

September 2013 Vol. 2(9): pp. 242-245

Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

Preference of food plants by adult of the desert locust schistocerca gregaria (forsk.) (orthoptera: acrididae)

1Shu’aibu*, T. , 1kutama. A.S., 2Umar, S.  and 3Maryam, T.A.,

 

1Department of Biological Sciences, Federal University Dutse, Nigeria.

2Department of Biological Sciences, College of Arts and Science, Kano

3Department of Science Laboratory Technology, Kano State Polytechnic, Kano

*Corresponding Author’s: Email:elgwaramee@yahoo.com

Accepted 25 September, 2013

 

Abstract

A study on Desert locust (Schistocerca gregaria) was conducted to find out the preference values for ten different food plants belonging to five different families by adult of S. gregaria around Usmanu Danfodio University, Sokoto main campus. Grasshoppers (Schistocerca gregaria) were collected in the field and starved for 24 hours period after which different types of food plants were introduced to the cage and preference value of each plant by Schistocerca was examined. Based on the preference values, the plants were categorized into four, Vigna unguiculata showing the highest average preference value (40.9 %) constituted category A. The food plants in the second category B were Lactuca sativa (14.5%) and Zea mays (186.5%). The third category, C include C. dactylonA. hyviridusA. gayanus, and O. sativa with 92.5, 99.5, 100 and 110 percent average preference values, respectively. The fourth category D comprised of plants with least average preference values such as S. occidentalis (71.0 %), S. bicolar (71.5%) and S. officinarum (73.0%). This study suggest that this grasshopper being primarily a grass feeder preferred plants belonging to family leguminosae when mixed with other plants families i.e. Campositae, Poaceae, Amaranthaceae, Papilionaceae, which may be affected by their succulence and palatability apart from their nutritive values and the presence of odd substances. Therefore, there is need for adequate control of this pest against damage caused to crop plants in future.

 

Keywords: Food plants, S. gregaria, preference, leguminosae, locust.

 

 

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