P. SUSMITHA*, A. PRASANNA RAJESH, M. REDDI SEKHAR AND SK. NAFEEZ UMAR Department of Genetics and Plant Breeding, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Mahalanobis D2 statistic was used to quantify the genetic diversity among 30 advanced breeding lines of groundnut for fifteen traits. Based on Tocher’s method of clustering, the genotypes were grouped […]
PAVANI*, K.R. TAGORE, R.P. VASANTHI AND T. RAGHAVENDRA Department of Genetics and Plant Breeding, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT This study was conducted to determine the contribution of different traits to cane yield in sugarcane (Saccharum spp.). Nineteen early sugarcane clones were evaluated in a randomized block design with three replications at Agricultural Research […]
S.P. SHRUTHI*, M. SHANTHI PRIYA, B. SANTHOSH KUMAR NAIK AND P. KARTHIK REDDY Department of Genetics and Plant Breeding, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Thirty tomato genotypes were assessed in a randomized block design with three replications at S.V. Agricultural College, Tirupati, during rabi 2023-24, to assess the character associations between yield, Yield attributing and […]
PREETHI*, K. SUNIL KUMAR, K. MANJULA AND P. SRIVALLI Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT The present investigation was conducted to study the incidence of sesame phyllody disease in major sesame growing areas in Southern Zone of Andhra Pradesh (Y.S.R, Tirupati and Nellore districts) which revealed that the sesame phyllody incidence […]
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 […]
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 […]
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 […]
G. BHAVITHA*, P. BALA HUSSAIN REDDY, K. RAGHAVENDRA CHOWDARY, S. UJWALA RANI AND T. LAKSHMI Department of Agricultural Extension Education, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Onion is one of India’s most highly watched agricultural commodities. Onion prices have a direct impact on the average person’s consumption basket. After China, India is second in […]
K. REDDEMMA*, T. LAKSHMI, K. RAGHAVENDRA CHOWDARY AND K. NAVYA JYOTHI Department of Agricultural Extension Education, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT Agriculture plays a vital role in India’s economy, employing over 54.60 per cent of the workforce and contributing to 18.80 per cent of the Gross Value Added (GVA) in 2021–22. However, farmers […]
G. SREEKANTH*, B. SANDHYA RANI, P. MAHESWARA REDDY, A. PRASANTHI, V. CHANDRIKA AND G. KARUNA SAGAR Department of Agronomy, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT A field experiment entitled “Bio-efficacy of pre and post emergence herbicides on weed dynamics and productivity of blackgram (Vigna mungo L.)” was conducted at Wetland Farm, S.V. Agricultural College, Tirupati […]
V. SRINIVAS, S. RAHMAN, W. PRATYUSHA AND S. GOPALAKRISHNAN* International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru 502 324, Telangana, India. ABSTRACT This study highlights the potential of 26 different strains of beneficial microorganisms, including 19 Streptomyces sp. (CAI-13, CAI-17, CAI-21, CAI-24, CAI-26, CAI-68, CAI-78, CAI-85, CAI93, CAI-121, CAI-127, CAI-140, CAI-155, KAI-26, KAI- 27, KAI-32, […]
K. HARSHAVARDHAN*, T. LAKSHMI, K. RAGHAVENDRA CHOWDARY AND K. NAVYA JYOTHI Department of Agricultural Extension Education, S.V. Agricultural College, ANGRAU, Tirupati-517 502. ABSTRACT The present study was carried out to know the profile of KVK-DAMU beneficiary farmers in Kurnool and Kadapa districts of Andhra Pradesh over a purposively drawn sample of 120 respondents. The results […]