Effect of Intercropping with Mustard with Onion and Garlic on Aphid Population and Yield

  • PK Sarker Department of Zoology, University of Rajshahi, Rajshahi-6205
  • MM Rahman Department of Zoology, University of Rajshahi, Rajshahi-6205
  • BC Das Department of Zoology, University of Rajshahi, Rajshahi-6205
Keywords: Intercropping, onion, garlic, agronomic benefits

Abstract

Field experiments were conducted to study the effect of intercropping of mustard (Brassica napus, Var. Bari Sarisha-7) with onion (Allium cepa L.) and garlic (Allium sativum L.) on aphid [Lipaphis erysimi (Kaltenbach)] population and yield. Intercropped with these two medicinal as well as spice crops reduced the aphid population significantly (P < 0.05). Mustard blocks intercropped with garlic gave highest cost-benefit ratios (1:2.07 and 1: 2.96) than onion intercropped blocks. Sole mustard blocks produced lowest cost-benefit ratios (1:1.65 and 1:2.06).

Key words: Intercropping, onion, garlic, agronomic benefits.

doi: 10.3329/jbs.v15i0.2200

J. bio-sci. 15: 35-40, 2007

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Sarker, P., Rahman, M., & Das, B. (1). Effect of Intercropping with Mustard with Onion and Garlic on Aphid Population and Yield. Journal of Bio-Science, 15, 35-40. https://doi.org/10.3329/jbs.v15i0.2200
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