G. RAMYA RISHITHA*, I. PARAMASIVA, M.S.V. CHALAM AND P. MADHUSUDAN Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT The level of insecticide resistance acquired by field collected brown plant hopper populations, Nilaparvatha lugens after 24 hours and 72 hours exposure to four insecticides thiamethoxam, pymetrozine, dinotefuran, and acephate was studied in comparison with the laboratory […]
P.V. MADHUSUDHAN*, M. SHANTHI PRIYA, I. SUDHIR KUMAR AND N.V. SARALA Department of Genetics and Plant Breeding, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Combining ability for yield and yield attributing traits was studied in 60 crosses made by using Line × Tester mating design involving 30 lines and 2 testers which were evaluated along […]
R. BHARGAVI*, K. RAGHAVENDRA CHOWDARY, T. LAKSHMI AND G.L. SIVA JYOTHI Department of Agricultural Extension Education, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT The present investigation was carried out in Chittoor district of Andhra Pradesh. The study was purposively conducted in the Chittoor district as it is the hub for many Agri and allied sector […]