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V. Sivakumar

Publications (17)

Assessment of Ginger Genotypes under Coconut Ecosystem for Quantitative and Qualitative Traits

V. Sivakumar, M. Kumar, R. Balakumbahan, K. Vanitha, D. Vidhya, S. Karthikeyan & R. Sudha · International Journal of Plant & Soil Science · 2023

Ginger is one of the major spice grown in subtropical hilly regions and ultivation of ginger under coconut ecosystem is gaining popular among the farmers. Coimbatore district, Pollachi region is one of the major coconut growing belt in Tamilandu. With this view an experiment was...

Open access Research Article 10.9734/ijpss/2023/v35i224170

Evaluation of Ginger (Zingiber officinale Rosc) Genotypes under Coconut Ecosystem

V. Sivakumar, M. Kumar, R. Balakumbahan, K. Vanitha, D. Vidhya, S. Karthikeyan & R. Sudha · International Journal of Environment and Climate Change · 2023

An experiment was conducted to evaluate the performance ginger genotypes under coconut ecosystem at Coconut Research Station, Aliyar Nagar, Tamil Nadu Agricultural University, and Coimbatore during the period from 2017- 18and 2018-19. The experiment was laid out in Randomized Blo...

Open access Research Article 10.9734/ijecc/2023/v13i103013

Removal of Congo Red Dye Using an Adsorbent Prepared from Martynia annua, L. Seeds

V. Sivakumar, M. Asaithambi, P. Sivakumar & N. Gopal · Chemical Science International Journal · 2014

Activated carbons M1 and M2 were prepared from the seeds of Martynia annua, L. using H2SO4 and H3PO4 as chemical activating agents respectively. In this study, utilization of these adsorbents for the removal of Congo red (CR) dye from aqueous solution was investigated. The physic...

Open access Research Article 10.9734/ACSJ/2014/6680

Nutri-hormonal Manipulation for Yield and Quality Improvement in Guava (Psidium guajava L.)

R. Ishwariya, V. Sivakumar, K. A. Shanmugasundaram, K. Vanitha, N. Seenivasan & I. Muthuvel · International Journal of Environment and Climate Change · 2023

Aims: To study the effect of nutrients and plant growth regulators through foliar spray on yield and quality characteristics of guava var. Arka Kiran. Study design:  Randomized Block Design (RBD). Place and Duration of Study: The experimental trial was conducted at a Farmer’s fie...

Open access Research Article 10.9734/ijecc/2023/v13i92657

Fertigation Studies in Moringa (Moringa oleifera Lam) under High Density Planting System for Leaf Biomass

R. Balakumbahan, V. Sivakumar & C. Ravindran · International Journal of Plant & Soil Science · 2023

A field experiment was conducted at Horticultural College and Research Institute, TNAU, Periyakulam to determine the effect of drip fertigation on the plant growth and leaf yield of moringa variety PKM -1 under high density planting system. The treatment consisted of 75,100, 125,...

Open access Research Article 10.9734/ijpss/2023/v35i133007

Effect of Clonal Variation on Oil Content and Oil Properties of Calophyllum inophyllum L: A Multi Purpose Tree

R. Anandalakshmi, V. Sivakumar, A. Vijayaraghavan, K. Suresh Kumar, C. Rajesh & S. Geetha · Asian Journal of Research in Agriculture and Forestry · 2021

Calophyllum inophyllum is a potential source of non-edible seed oil. Calophyllum oil is used as a biofuel and also for medicinal purposes. At the Institute of Forest Genetics and Tree Breeding, Coimbatore carried out a study in 2019, on five different clones of C. inophyllum  to...

Open access Research Article 10.9734/ajraf/2021/v7i130122

Standardization of Propagation Techniques in Annual Moringa (Moringa oleifera Lam.) for Enhancing Crop Uniformity

R. Balakumbahan, C. Ravindran & V. Sivakumar · Journal of Advances in Biology & Biotechnology · 2024

An investigation on annual Moringa, Moringa oleifera Lam., var., (PKM 1 and PKM2) with the objective of standardizing the method of vegetative propagation was carried out at Horticultural College and Research Institute, Periyakulam. the treatment consisted of three factors viz.,...

Open access Research Article 10.9734/jabb/2024/v27i71093

Impact of Selected Plant Growth Regulators on Rooting Response of Stem Cuttings of Psidium guajava L.

Vanitha K., M. Kumar & V. Sivakumar · International Journal of Plant & Soil Science · 2023

Guava can be propagated vegetatively through layering, cutting and grafting, in addition to seeds. Among the propagation techniques, cuttings have gained popularity because they produce results in a shorted span of time. Rooting is an essential step in the propagation of guava th...

Open access Research Article 10.9734/ijpss/2023/v35i244339

Performance of Strawberry Cultivars under different Growing Environments in Nilgiris

S. Karthikeyan, S. P. Thamaraiselvi, V. Sivakumar & D. Keisar Lourdusamy · International Journal of Environment and Climate Change · 2023

Strawberry, an important berry fruit crop with high value and nutritional properties is picking up in the South Indian conditions, especially in Tamil Nadu under temperate region of Nilgiris district. Since the fruit is directly consumed by the children and all group of categorie...

Open access Research Article 10.9734/ijecc/2023/v13i123757

Histological Studies in Vegetative and Reproductive Mango Buds

M. Kumar, K. Vanitha, V. Sivakumar & K. A. Shanmugasundaram · International Journal of Plant & Soil Science · 2022

The present study was conducted on ten mango cultivars namely Alphonso, Bangalora, Kalepad, Himayuddin, Sendura, Mulgoa, Neelum, Rumani, Banganapalli and Swarnarekha and seasons are main and off-season at Kanyakumari and Tenkasi.  The stem along with bud sample was collected duri...

Open access Research Article 10.9734/ijpss/2022/v34i242613

Integrated Crop Management Practices in Ridge Gourd Hybrid COH 1 for Increasing Yield and Income under Cuddalore District of Tamil Nadu, India

K. Sundharaiya, N. Sriram, V. Sivakumar & G. Sathish · International Journal of Plant & Soil Science · 2022

Front line demonstration on integrated crop management practice in ridge gourd (Luffa acutangula Roxb.) hybrid COH – 1was conducted at Cuddalore District of Tamil Nadu during 2021-2022 to increase the yield and income of the farming community. Totally ten progressive farmers were...

Open access Research Article 10.9734/ijpss/2022/v34i2231446

Influence of Perennial Rootstocks and PKM1 Scion on Nutritional Content of Grafted Moringa (Moringa oleifera Lam.)

T. Sumathi, L. Pugalendhi, P. Irene Vethamoni, V. Sivakumar, R. Balakumbahan, M. Elavarasan, J. E. Adeline Vinila, B. Muralidharan & M. Kumar · International Journal of Plant & Soil Science · 2023

The investigation was undertaken at Horticultural College ad Research Institute, Coimbatore to identify the graft compatibility of seven perennial moringa rootstocks for PKM 1 Moringa scion under drought condition. Among the seven rootstocks, moolanur moringa is identified as the...

Open access Research Article 10.9734/ijpss/2023/v35i244306

Standardization of Organic Production Systems for Lettuce and Pokchoi in Nilgiris

S.P. Thamaraiselvi, S. Karthikeyan, P. Raja, C. Cinthia Fernandaz & V. Sivakumar · International Journal of Environment and Climate Change · 2025

An experiment was conducted to standardize the cultivation of Lettuce (Lactuca sativa) and Pokchoi under organic production system at Horticultural Research Station, Ooty during 2022-23. These exotic vegetables are grown for salad purpose for different dishes and consumed as raw...

Open access Research Article 10.9734/ijecc/2025/v15i14696

Effects of Drying and Storage on Anthocyanin Content and Antioxidant Activity in Hibiscus Tea Infusions

Thamaraiselvi, S.P, S. Karthikeyan, M. Ganga, M. Visalakshi, C. Cinthia Fernandaz, V. Sivakumar & K. Padmadevi · Journal of Advances in Biology & Biotechnology · 2025

Hibiscus rosa-sinensis is one of the traditional flowers used in tropics for ornamental gardens and for its curative health benefits. All parts of hibiscus are reported to possess significant medicinal values and the flowers especially are rich source of anthocyanin pigments. Ant...

Open access Research Article 10.9734/jabb/2025/v28i11930

Studies on the Upper Leaf Necrosis in Orientalliliums

S. Karthikeyan, S. P. Thamaraiselvi, M. Ganga, M. Jawaharlal, M. Visalakshi & V. Sivakumar · International Journal of Plant & Soil Science · 2023

Oriental Lilium is one of the commercial bulbous flower crops grown for its cut flower and ornamental value. Upper leaf necrosis is a nutrition disorder that is specific to certain conditions and often misconceived with other disorders. The symptoms of upper leaf necrosis occur o...

Open access Research Article 10.9734/ijpss/2023/v35i234276

Integrated Crop Management Practices on Yield and Economics of Brinjal at Tiruvallur District of Tamil Nadu, India

G. Sathish, K. Sundharaiya, C. Tamilselvi, V.A. Vijayashanthi, P. Yogameenakshi, P.Arul Arasu, V. Sivakumar & I. Geethalakshmi · Journal of Scientific Research and Reports · 2024

The present study highlights the Integrated crop management in brinjalfor their yield and economics. A field experiments was in tiruvallur district of ICAR-Krishi Vigyan Kendra during 2017-2018.  The implementation of scientific technology through optimal resource utilization is...

Open access Research Article 10.9734/jsrr/2024/v30i62031

Genetic Analysis of Avocado (Persea americana L.) Genotypes for Fruit and Nutritive Traits

K. Sundharaiya, T. Thangaselvabai, T. Arumugam, S. Nagaraj, G. Sathish, M. Karuthamani & V. Sivakumar · International Journal of Plant & Soil Science · 2022

Avocado (Persea americana Mill.) or butter fruit is one the important nutritious sub tropical fruit native to Central America. Fruits are rich in nutrients, vitamins and phytochemicals. Fruit pulp is rich in fat and low in sugar content. Avocado exhibits wider variability due to...

Open access Research Article 10.9734/ijpss/2022/v34i630878