TY  - BOOK
AU  - MAHINDRU, Naresh
TI  - Assessment of gains through insect pollination in sarson (Brassica campestris L.var. brown sarson ) and Raya (Brassica juncea L.)
U1  - T 633.85 M27A 
PY  - 1990///
CY  - Ludhiana
PB  - PAU
KW  - BRASSICA -- VARIETIES
KW  - ENTOMOLOGY
KW  - INSECTS
KW  - POLLINATION
KW  - POLLINATION BY INSECTS
KW  - RAYA
KW  - SARSON
N2  - 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
ER  -