V.P. VAMSIDHAR*, A. PRASANTHI, Y. BALACHANDRA, N.V. SARALA AND M.V.S. NAIDU Department of Soil Science and Agricultural Chemistry, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT A field experiment was conducted on sandy clay loam soils at Wetland farm, ANGRAU, S.V. Agricultural College, Tirupati during rabi 2023-2024 in groundnut crop to study the effect of application of organic […]
G. SAI SRAVANTHI*, M. SATHISH RAHUL, Y. PRABHAVATHI AND S.K. NAFEEZ UMAR Institute of Agribusiness Management, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT India is one of the largest producers of red chilli in the world. Andhra Pradesh is the major state in the country which occupies larger area under red chilli cultivation. The current […]
SNEHALATHA*, P. RADHIKA, K.V. HARIPRASAD, V. DINESH KUMAR, P.DURAI MURUGAN AND M.S.V. CHALAM Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT A roving survey was carried out in castor cultivating areas of Ananthapuramu district during kharif, 2023 to know the incidence of sucking pests. From the selected district, different mandals, viz., Kanekal, Belguppa, Atmakur, Narpala, Uravakonda, Ananthapuramu, […]
B. DEBASREE*, M. RAJASRI, K. DEVAKI AND D. MOHAN REDDY Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Field screening of forty seven black gram (Vigna mungo L.) genotypes against spotted pod borer, Maruca vitrata was carried out during late rabi, 2023-24 under field conditions at S.V. Agricultural College, Tirupati, Andhra Pradesh. The genotypes were categorized based on the per cent […]
RAJESH*, S. MOHAN, S.J. NELSON and V. MURALITHARAN Department of Agricultural Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Lasioderma serricorne is a cosmopolitan, polyphagous and major insect pest of stored turmeric. TNAU Stack probe trap is recommended for detection and monitoring of insect pests in stored rice, wheat and turmeric. Practical studies were carried out […]
S. PADMAVATHI*, J. MANJUNATH, M. RAJASRI AND B.H. CHAITHANYA Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT A fixed plot survey was conducted to study the incidence of sucking insect pests and pink bollworm in cotton fields of Nandyal and Kurnool districts of Andhra Pradesh during 2023-2024 at monthly intervals. Among the sucking […]
B. KEERTHANA*, M.S.V. CHALAM, P. RADHIKA, P. LAVANYA KUMARI AND K. MANJULA Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT A study was carried out at the Department of Entomology, S.V. Agricultural College, Tirupati on the larval taxonomy of lepidopteran pest complex in castor. Four lepidopteran larvae viz., Spodoptera litura (Fabricius), Achaea janata (Linnaeus), Ergolis merione (Cram) and Conogethes […]
R. CHELSIA*, K. MANJULA, P.N. HARATHI AND M. GURIVI REDDY Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT The pathogenicity test of unformulated entomopathogenic fungal isolate Bb. Cd (Beauveria bassiana) (Balsamo) Vuillemin isolated from Chandragiri village were conducted against third instar Spodoptera litura (Fabricius) larvae maintained at three different temperatures viz, 15°C, 25°C and 35°C under laboratory […]
M. JAHNAVI*, T. LAKSHMI, M. SATHISH RAHUL AND Y. REDDIRAMU Department of Agril. Extension Education, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT The study was conducted to know the profile of cotton growers in light soils of Kurnool district of Andhra Pradesh over a randomly drawn sample of 120 cotton growers and the results revealed […]
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 […]