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Assessment of gains through insect pollination in sarson (Brassica campestris L.var. brown sarson ) and Raya (Brassica juncea L.)

By: Material type: TextTextPublication details: Ludhiana PAU 1990Edition: EntomologyDescription: 58, 25LSubject(s): DDC classification:
  • T 633.85 M27A
Summary: Apis dorsata A. florea, A. mellifera and Andrena spp were major flower visitors of these crops at Ludhiana. Their proportion in the samples was 474, 25.7, 21.6 and 5.1 per cent on sarson and 514, 200, 23 7 and 48 per cent on raya, respectively Intensive p
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Apis dorsata A. florea, A. mellifera and Andrena spp were major flower visitors of these crops at Ludhiana. Their proportion in the samples was 474, 25.7, 21.6 and 5.1 per cent on sarson and 514, 200, 23 7 and 48 per cent on raya, respectively Intensive p

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