A. Ramanathan

Real Time PCR Based Quantification of Banana Bunchy Top Virus (BBTV) Titre in Banana cv. Grand Naine (Musa acuminata)

N. Tanuja, A. Ramanathan, S. Varanavasiappan, E. Kokila Devi, L. Arul, D. Sudhakar, S. Vanitha, K. Soorianathasundaram & K. K. Kumar · Advances in Research · 2019

Banana Bunchy Top Disease (BBTD) is one of the most severe viral diseases affecting major banana growing belts in India. Banana Bunchy Top Virus (BBTV) is transmitted by a black banana aphid (Pentalonia nigronervosa L Coquerel) in a persistent manner. BBTV virions are limited to...

Open access Research Article 10.9734/air/2019/v20i430163

Differential Biochemical Response among Banana (Musa spp.) Genotypes against Banana Bunchy Top Virus (BBTV)

N. Tanuja, A. Ramanathan, S. Vanitha, K. Soorianathasundaram & K. K. Kumar · Current Journal of Applied Science and Technology · 2019

Banana bunchy top virus (BBTV) is one of the major viruses causing high yield loss in bananas. The study was carried out to gain a better understanding of the host and virus interaction and to explore the adaptive mechanism and biochemical responses in banana cultivars viz., Rast...

Open access Research Article 10.9734/cjast/2019/v38i630416

Profiling Secondary Metabolites of Cocoa (Theobroma cacao L.) Endophytic Fungi Lasiodiplodia pseudotheobromae PAK-7 and Lasiodiplodia theobromae TN-R-3 and Their Antimicrobial Activities

M. Chaithra, S. Vanitha, A. Ramanathan, V. Jegadeeshwari, V. Rajesh, V. Hegde & E. Apshara · Current Journal of Applied Science and Technology · 2020

Aims: To determine the chemical composition of secondary metabolite of cocoa endophytic fungi L. pseudotheobromae PAK-7, L. theobromae TN-R-3 and their anti-oomycete activities. Statistical Design: Multivariate analysis. Place and Duration of Study: Department of Plant Pathology,...

Open access Research Article 10.9734/cjast/2020/v39i230496

Morphological and Molecular Characterization of Endophytic Fungi Associated with Cocoa (Theobroma cacao L.) in India

M. Chaithra, S. Vanitha, A. Ramanathan, V. Jegadeeshwari, V. Rajesh, V. Hegde & E. Apshara · Current Journal of Applied Science and Technology · 2020

Aim: To identify cocoa associated endophytic fungi through morphological and molecular techniques. Place and Duration of Study: Department of Plant Pathology, TNAU, Coimbatore, Tamil Nadu from April 2018 to November 2019. Methodology: Endophytic fungal isolates were isolated from...

Open access Research Article 10.9734/cjast/2019/v38i630447

Temperature Tolerance in the Five Field Strains of Trichogramma chilonis from Northern Districts of Tamil Nadu, India

B. Prabhu, Y. S. Johnson Thangaraj Edward, R. Vishnu Priya, A. Ramanathan & P. Jeyaprakash · International Journal of Environment and Climate Change · 2024

The egg parasitoid, Trichogramma chilonis is a potential egg parasitoid in the agricultural ecosystem, reducing many lepidopteran pest incidences. The laboratory strains of T. chilonis was significantly inferior to the ecotypes collected from fields in their parasitisation potent...

Open access Research Article 10.9734/ijecc/2024/v14i23984

Pesticide Tolerance in the Five Field Strains of Trichogramma chilonis from Northern Districts of Tamil Nadu, India

B. Prabhu, Y. S. Johnson Thangaraj Edward, R. Vishnu Priya, A. Ramanathan & P. Jeyaprakash · International Journal of Plant & Soil Science · 2024

The egg parasitoid, Trichogramma chilonis is a potential egg parasitoid in the sugarcane, reducing early shoot borer and internode borer population. The laboratory strains of T. chilonis was significantly inferior to the ecotypes collected from fields in their tolerance to insect...

Open access Research Article 10.9734/ijpss/2024/v36i34422