ESTIMATION OF LOSS IN SEED-YIELD OF LINSEED CAUSED BY THE BUDFLY, DASYNEURA LINI BARNES AS AFFECTED BY TWO DIFFERENT DATES OF SOWING

摘要

A field experiment was conducted in the farm of birsa agricultural university, Ranchi in paired plot design during 2004-05 to assess the loss in yield caused by budfly, Dasyneura lini Barnes infesting linseed var. Neelum. the results revealed that late sown (16th Nov.) crop was found to be suffered from loss in seed yield as higher as 56.22 percent (i.e. 8.02 q/ ha) as against the substantially lower loss in seed yield to the tune of 24.47 percent (i.e. 3.54 q/ ha) recorded from the early sown (1st November) crop due lo attack of budfly (D. lini) in the agro climatic condition of Ranchi (Jharkhand).