000 00782nam a2200169Ia 4500
008 170101s2002 xx 000 0 und d
082 _aT 633.859.7 D38C
100 _aDhaliwal, Lakhvir Kaur
245 0 _aCrop-weather-aphid interaction in raya (Brassica juncea L.) under ... environments
250 _aDept. of Agronomy & Agrometeorology
260 _aLudhiana
_bP. A. U.
_c2002
300 _a29cm. 119l
520 _aCrop-weather-aphid interactions in raya (Brassica juncea L.) under different hydro-thermal environments were studied to establish the empirical relationships between meteorological elements and aphid population.The correlation between aphid population and
650 _aRAYA -- DISEASES AND PESTS
653 _aRAYA -- DISEASES AND PESTS
942 _2ddc
_cT
999 _c116997
_d116997