00523nam a22001577a 4500003000400000008004100004082001800045100001600063245016400079260003900243300000900282650004000291650001200331650001100343650001100354OSt251202b        |||||||| |||| 00| 0 eng d  a632.951bA81M  aAshok Kumar  aManagement of Mustard Aphid (Lipaphis erysimi Kalt.) Through Varietal Selection, Botanical and Chemical Insecticides in Brassica Crop Under Late Sown Condition  a.- Pusa, Samastipurb: RAUc, 2006  a47p.  aEntomology and Agricultural Zoology  aMustard  aThesis  aM. Sc.