EVALUATION OF BLACKGRAM GENOTYPES FOR RESISTANCE AGAINST THRIPS AND WHITEFLYIN RELATION TO LEAF CURL AND YELLOW MOSAIC VIRUS.

M. RESHAD ABDULRAHIMZAI*, N.C. VENKATESWARLU, K.V. HARI PRASAD and G . MOHAN NAIDU Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati – 517502, Chittor Dt., A.P., India ABSTRACT A field experiment was conducted to screen the blackgram genotypes at dry land farm, S.V. Agricultural College,Tirupati during rabi2018-19 for identification of resistance source for utilization in […]

MANAGEMENT OF LEAFHOPPER (Orosius albicintus) OF SESAMUM WITH CERTAIN INSECTICIDES.

T. VENKATRAMANA REDDY*, K.V. HARI PRASAD, M.S.V. CHALAM and K. VISWANATH Department of Entomology,S.V. Agricultural College, ANGRAU, Tirupati-517502, Chittoor Dt., A.P, India ABSTRACT A field experiment was carried out during Kharif 2018 at dry land farm, S.V. Agricultural College, Tirupati to assess theefficacy of certain insecticides against leafhopper (Orosius albicintus) of sesame. Results on efficacy […]

EFFECT OF CASTOR GENOTYPES WITH DIFFERENT BLOOMS ON GROWTH AND DEVELOPMENT OF CASTOR SEMILOOPER, Parallelia algira (LINNAEUS)

M. MUNESWARI*, K. V. HARI PRASAD, N.C. VENKATESWARLU AND V. UMAMAHESH, Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati-517502, Chittoor Dt. A.P, India ABSTRACT Effect of castor genotypes with different blooms on growth and development of castor semilooper, Parallelia algira was studied using neonate larvae. Biological parameters such as egg duration, larval duration, pupal duration, […]

INFLUENCE OF THERMAL INDICES ON PHENOLOGY OF RAINFED LOWLAND RICE

G. NAVEEN*, V. UMAMAHESH, A. R. NIRMAL KUMAR and Y. REDDI RAMU Department of Crop physiology, S.V. Agricultural College, ANGRAU, Tirupati – 517502, Chittoor Dt., A.P., India ABSTRACT A field experiment was carried out during kharif, 2018 on sandy clay loam soils of wet land farm of S. V. Agricultural College, Tirupati, Acharya, N. G. […]

BIO DIVERSITY OF PLANTHOPPERS IN SORGHUM CROP-ECOSYSTEMS OF SOUTHERN AND SCARCE RAINFALLZONES OF ANDHRAPRADESH.

L. GEETHANJALI*, M. S. V. CHALAM, S. R. KOTESWARA RAO and G. MOHANNAIDU Department of Entomology, S.V. Agricultural College, ANGRAU, Tirupati – 517502, Chittoor Dt., A.P., India ABSTRACT Six planthopper species were collected, identified and described from sorghum crop ecosystem of southern and scarce rainfall zones of Andhra Pradesh. The planthopper fauna collected from sorghum […]

A STUDY ON GROWTH PERFORMANCE OF CROP INSURANCE SCHEMES IN ANDHRA PRADESH AND INDIA.

M. MARY SHARON*, B. APARNA, S.RAJESWARI and B. RAVINDRA REDDY Department of Agricultural Economics, S.V.Agricultural College, ANGRAU, Tirupati-517 502, Chittoor Dt., A.P., India ABSTRACT Agriculture is an important sector of the Indian economy, accounting for 15.87 per cent of the nation’s GDP, about half of the population still relies on agriculture. It is varied, diversified […]

SPECIES COMPOSITION OF PREDACEOUS COCCINELLIDS IN PULSESAND GROUNDNUT CROPECOSYSTEMS OF CHITTOOR DISTRICT, ANDHRAPRADESH.

T. VASISTA*, M. S. V. CHALAM, K. V. HARI PRASAD and G . MOHAN NAIDU Department of Entomology, S. V. Agricultural College, Tirupati- 517 502, Chittoor Dt., A.P., India ABSTRACT A survey was conducted in ten major pulse and groundnut growing mandals of Chittoor district of Andhra Pradesh. From each mandal five villages were selected […]

CULTURAL AND MORPHOLOGICAL VARIABILITY IN ISOLATES OF Sclerotium oryzae, THE RICE STEM ROT PATHOGEN.

Y. VANI*, R. SARADA JAYALAKSHMI, P. MADHUSUDHAN and V. LAKSHMI NARAYANA REDDY Department of plant pathology, S. V. Agricultural College, ANGRAU, Tirupati – 517 502, Chittoor Dt., A.P., India ABSTRACT Twelve isolates of Sclerotium oryzae (Catt). causing stem rot of rice were collected from major rice growing areas in Andhra Pradesh, India. Variability among these […]

YIELD AND ECONOMICS OF SWEET CORN(ZEAMAYS L.)AS INFLUENCED BY ZINC AND IRON FORTIFICATION.

ABDUL SHAKOOR KARRIMI*, A. PRATAP KUMAR REDDY, Y. REDDIRAMU AND V. UMAMAHESH Department of Agronomy, S.V Agricultural College, Tirupati, ANGRAU, Andhra Pradesh, India. ABSTRACT A field experiment was conducted during kharif, 2017 to study theyield and economics of Sweet corn(Zea mays L.) as influenced by zinc and Iron fortification. Higher yield of sweet corn was […]

EFFECT OFBEEJAMRUTHAON SEED GERMINATION, VIGOURAND ENZYMEACTIVITY IN BLACKGRAM SEEDS.

Y. BHARGAVI, P. SUDHAKAR*, V.RAJA RAJESWARI AND T.GIRIDHARA KRISHNA Department of Crop Physiology, S.V. Agricultural College, ANGRAU, Tirupati-517502, Chittoor Dt.,Andhra Pradesh ABSTRACT The experiment was carried out at Dept. Of Crop Physiology, S.V. Agricultural College, Tirupati in a complete randomised design with three seed treatments viz., seed soaked in beejamrutha, water and a control (without […]