TY  - BOOK
AU  - BAKHETIA, D.R.C
TI  - Standardization of screening technique for aphid-resistance in rapeseed and mustard
U1  - T 633.84 B16S 
PY  - 1975///
CY  - Ludhiana
PB  - P.A.U
KW  - MUSTARD -- DISEASES AND PESTS
KW  - APHID
KW  - ENTOMOLOGY
KW  - MUSTARD
KW  - RAPE (PLANT -- DISEASES AND PESTS)
KW  - REPESEED
N2  - Optimum levels of the aphid population per plant were found to be 10, 20, 20 and 30 apterae and 1 ml and 3ml (apterae +nymphs) for cotyledonary, 2-ieaf, 4-leaf, 6-leaf, flower-bud initiation and flowering stages respectively The plants of BSH 1 succumbed
ER  -