Genetic Divergence Studies for Yield and Its Component Traits in Groundnut (Arachis Hypogaea L.)

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 […]

Correlation and Path Coefficient Analysis Among Early Clones Of Sugarcane (Saccharum Spp.)

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 […]

Character Association and Path Coefficient Analysis in Tomato (Solanum Lycopersicum L.)

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 […]

Survey on the Incidence of Sesame Leafhopper and Phyllody in Major Growing Districts of Southern Zone of Andhra Pradesh, India

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 […]

Effect of Organic Manures, Chemical and Biofertilizers on Potassium Use Efficiency in Groundnut

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 […]

A Study on Growth Pattern of Red Chilli in India and Andhra Pradesh

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 […]

Survey on the Incidence of Sucking Insect Pests in Rainfed Castor

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, […]

Screening of Black Gram, Vigna Mungo L. Genotypes Against Spotted Pod Borer, Maruca Vitrata (Geyer)

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 […]

Exploration on Status of Sucking Insect Pests and Pink Bollworm of Cotton in Nandyal and Kurnool Districts of Andhra Pradesh

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 […]

Studies on Chaetotaxy of Lepidopteran Pest Complex in Castor

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 […]