Nair, K P V; Mammen, K V; Pillai, K B; Nair, S S
(Kerala Agricultural University, 1980)
Studies carried out at the Rice Research Station, Moncompu, Kerala,
during 1974-76 showed that in the Kuttanad rice tract, brown plant hopper
Nilaparvata /ugens (Stal.) is present in the field throughout the year with a ...