Author

Rajagopal Raj Kumar

Observed names: R. Raj Kumar, Rajagopal Rajkumar, Rajkumar Rajagopal

Institution: UPASI Tea Research Foundation

Observed institutions: Annamalai University, UPASI Tea Research Foundation

OpenAlex ID: A5112458885

Genetic diversity among south Indian tea germplasm (Camellia sinensis, C. assamica and C. assamica spp. lasiocalyx) using AFLP markers

2003 · T. Balasaravanan, P.K. Pius, et al. · Plant Science · 108

Influence of beneficial microorganisms during in vivo acclimatization of in vitro-derived tea (Camellia sinensis) plants

2010 · Jibu Thomas, D. Ajay, et al. · Plant Cell Tissue and Organ Culture (PCTOC) · 49

Genetic diversity of UPASI tea clones (Camellia sinensis (L.) O. Kuntze) on the basis of total catechins and their fractions

2005 · M. Saravanan, K.M. Maria John, et al. · Phytochemistry · 48

Agrobacterium tumefaciens-Mediated genetic transformation in tea (Camellia sinensis [L.] O. Kuntze)

2004 · S. Joseph Lopez, R. Raj Kumar, et al. · Plant Molecular Biology Reporter · 44

Variations in quality constituents of green tea leaves in response to drought stress under south Indian condition

2018 · Nalina Munivenkatappa, Saroja Sarikonda, et al. · Scientia Horticulturae · 36

Catechin and Catechin Fractions as Biochemical Markers to Study the Diversity of Indian Tea (Camellia sinensis (L.) O. Kuntze ) Germplasm

2009 · Ashu Gulati, Subramani Rajkumar, et al. · Chemistry & Biodiversity · 35

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Induction of γ irradiation for decontamination and to increase the storage stability of black teas

2007 · Jibu Thomas, R.S. Senthilkumar, et al. · Food Chemistry · 35

Growth and mineral distribution of Sesuvium portulacastrum l., a salt marsh halophyte, under sodium chloride stress

1994 · V. Venkatesalu, R. Raj Kumar, et al. · Communications in Soil Science and Plant Analysis · 20

A reliable technique to identify superior quality clones from tea germplasm

2004 · S. Joseph Lopez, Jibu Thomas, et al. · Food Chemistry · 15

Studies on radical scavenging activity of tea leaves and effect of additives on activities of black tea liquor

2009 · Maria J. Muthuiah, Jibu Thomas, et al. · International Journal of Food Science & Technology · 14

El Niño–Southern Oscillation (ENSO) Impact on Tea Production and Rainfall in South India

2020 · Esack Edwin Raj, Rajagopal Raj Kumar, et al. · Journal of Applied Meteorology and Climatology · 13

Photoassimilatory and Photorespiratory Behaviour of Certain Drought Tolerant and Susceptible Tea Clones

2003 · P.R. Jeyaramraja, R. Raj Kumar, et al. · Photosynthetica · 13

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Sodium chloride stress on organic constituents ofSesuvium portulacastrumL., a salt marsh halophyte

1994 · V. Venkatesalu, R. Raj Kumar, et al. · Journal of Plant Nutrition · 13

Influence of age after pruning on the levels of flavanols and other bioconstituents in tea (Camellia sinensis)

2005 · Jibu Thomas, Marimuthu Saravanan, et al. · Journal of the Science of Food and Agriculture · 12

Physiological and biochemical responses of micropropagated tea plants

2001 · S. Marimuthu, R. Raj Kumar · In Vitro Cellular & Developmental Biology - Plant · 12

Genetic diversity of Indian tea(Camellia sinensis(L.)Kuntze) germplasm detected using morphological characteristics.

2010 · Subramani Rajkumar, S. Karthigeyan, et al. · 8

Fertilizer nitrogen recovery in tea as influenced by nitrogen levels

1999 · R. Raj Kumar, S. Marimuthu, et al. · Communications in Soil Science and Plant Analysis · 5

Comparative Study on Quantification of Total Catechins Using UV-Vis Spectrophotometric Method and High Performance Liquid Chromatography Techniques

2021 · Sitharanjan Kalidass, Karuppannau Daiyarvijaya, et al. · Oriental Journal Of Chemistry · 4

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Biochemical Changes During Withering Process of CTC Black Tea Manufacture

2019 · Sitharanjan Kalidass, Karuppana Udaiyar Vijaya, et al. · Oriental Journal Of Chemistry · 4

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Relation of altered protein expression with chlorophyll fluorescence in tea under water stress

2003 · P. R. Jeyaramraja, Amal Jayakumar, et al. · Indian Journal of Plant Physiology · 4

Effect of a commercial plant growth regulator on the elemental content of tea plants

1991 · R. Raj Kumar, N. Palani · Communications in Soil Science and Plant Analysis · 2

Plant Growth Regulators for Crop Management in Tea

1995 · L. Manivel, R. Raj Kumar, et al. · HortScience · 1

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Works count: 23

Citation count: 495

H-index: 13

I10-index: 15