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R. G. Somkuwar

Publications (15)

Evaluating the Bio-efficacy of Phytosterols on Growth, Yield and Shelf Life of Thompson Seedless Grapes

R. G. Somkuwar, Sanjay Singh, P. B. Kakade & R.D. Nale · Journal of Experimental Agriculture International · 2025

The study investigates the bio-efficacy and phytotoxicity of a phytosterol-based solution containing stigmasterol and campesterol (0.01% w/w SL, branded as Brand) on Thompson Seedless grapevines. The key parameters assessed includes shoot length, leaf area, bunch weight, berry si...

Open access Research Article 10.9734/jeai/2025/v47i43372

Bio-efficacy Studies of Biostimulant (Budmaker) in Relation to Growth, Yield and Shelf-Life of Super Sonaka Grape under Sangli Location, India

R. G. Somkuwar, Sadashiv Landage, P. S. Gharate & P. B. Kakade · International Journal of Plant & Soil Science · 2025

Grape (Vitis vinifera L.) is a key crop in the Indian agricultural sector, with seedless varieties like Super Sonaka being highly valued for both domestic consumption and export due to their quality and market demand. However, the potential of these grapes is often limited by env...

Open access Research Article 10.9734/ijpss/2025/v37i45388

Bio-efficacy Studies of Biostimulant (Budmaker) in Relation to Growth, Yield and Shelf-life of Thompson Seedless Grape under Multilocation

R. G. Somkuwar, Sadashiv Landage & P. B. Kakade · Journal of Advances in Biology & Biotechnology · 2025

Grape cultivation is increasingly challenged by a range of abiotic stresses, including drought, salinity, excessive rainfall, high temperatures, intense solar radiation and rising atmospheric CO2 levels. These factors, largely affected by global warming, are posing significant th...

Open access Research Article 10.9734/jabb/2025/v28i32151

Bio-Efficacy Studies of Biostimulant (Budmaker) about Growth, Yield and Shelf-Life of Nanasaheb Purple Seedless Grape under Multilocation

R. G. Somkuwar, Sadashiv Landage, A. S. Jadhav & P. B. Kakade · Journal of Scientific Research and Reports · 2025

The study aims to assess the bio-efficacy of Budmaker on fruit yield, quality, leaf mineral content and key physiological and biochemical characteristics of the grapevine (Vitis vinifera L.) cv. Nanasaheb Purple Seedless. Budmaker, a biostimulant with protein hydrolysate, cytokin...

Open access Research Article 10.9734/jsrr/2025/v31i42940

Bio-efficacy Studies of Unique in Relation to Growth, Yield and Shelf Life of Super Sonaka Grape Variety Grown in Sangli Region of Maharashtra

R. G. Somkuwar, Sadashiv Landage, P. S. Gharate, P. S. Karande & P. B. Kakade · Archives of Current Research International · 2025

The effect of Unique (bio-stimulant) was studied on yield and quality of Super Sonaka, elongated grape variety by applying different doses through foliar sprays (20, 25 and 30 ml/L) at five key stages of growth (12-13 days after fruit-pruning, 23-25 days after fruit-pruning, at 7...

Open access Research Article 10.9734/acri/2025/v25i11041

Bio-efficacy Studies of Unique in Relation to Growth, Yield and Shelf Life of Nanasaheb Purple Seedless Grape Variety Grown under Multilocation

R. G. Somkuwar, Sadashiv Landage, A. S. Jadhav, P. S. Karande & P. B. Kakade · Journal of Advances in Biology & Biotechnology · 2025

Grape production, particularly seedless varieties like Nanasaheb Purple Seedless is highly valued for both domestic and export markets. However, environmental stresses such as drought and salinity often affect the quality and yield of grapes. This study explored the effectiveness...

Open access Research Article 10.9734/jabb/2025/v28i11903

Physico-chemical and Mineral Composition of White Seeded Raisin Varieties (Vitis vinifera L.) Grown under Semi-arid Condition

R. G. Somkuwar, A. K. Upadhyay, A. K. Sharma, P.S. Karande & R. D. Nale · Archives of Current Research International · 2024

Raisins (dried grapes) are preferred for their distinctive, delightful flavor, high nutritional content, and their potential to lower the risk of several serious and chronic conditions. The quality of raisins is crucial, as it has a direct impact on the health and well-being of t...

Open access Research Article 10.9734/acri/2024/v24i11949

Ampelographic Diversity Assessment of Local Grape Genotype Grown in India

R. G. Somkuwar, R. D. Nale, S. A. Ranpise & P.H. Nikumbhe · Journal of Scientific Research and Reports · 2024

Grapevine is well adapted to the agro climatic conditions of India, which makes it one of the major element of the Indian horticulture. However, there has been limited focus on assessing grapevine germplasm, and genetic resources have previously remained underutilized despite the...

Open access Research Article 10.9734/jsrr/2024/v30i102467

Rootstock Influences Growth, Yield, Berry Physiochemical and Quality Wine Produced from Cabernet Sauvignon Grown in the Pune Region

R. G. Somkuwar, A. K. Sharma, Nilima Gobade, P. S. Gharate, Praveen Kumar Ausari & P. S. Karande · Journal of Scientific Research and Reports · 2024

The experiment was conducted to study the effect of rootstock on growth, yield, quality, and sensory evaluation of wine made from ‘Cabernet Sauvignon’ grapes. Among the rootstock’s, pruning weight was significantly higher in vines grafted on 110R rootstock. Days for buds sprout a...

Open access Research Article 10.9734/jsrr/2024/v30i102429

Leaf Area Index, Photosynthesis and Chlorophyll Content Influences Yield and Quality of Nanasaheb Purple Seedless Grapes under Semi-arid Condition

R. G. Somkuwar, P. B. Kakade, A. S. Jadhav, P. K. Ausari, P. H. Nikumbhe & N. A. Deshmukh · Journal of Scientific Research and Reports · 2024

Canopy management practices in grapes are crucial for achieving high-quality production. The study was conducted with different treatments of number of leaves above the bunch (10, 12, 14, 16, and >16 leaves).  Significant variation was recorded on photosynthetic activity, yiel...

Open access Research Article 10.9734/jsrr/2024/v30i92402

Leaf Retention Affects Photosynthetic Activity, Leaf Area Index, Yield and Quality of Crimson Seedless Grapes

R. G. Somkuwar, P. B. Kakade, J. K. Dhemre, A. S. Tutthe, P. H. Nikumbhe & N. A. Deshmukh · Journal of Advances in Biology & Biotechnology · 2024

The research was conducted at ICAR-National Research Centre for Grapes, Pune during October, 2023 to March, 2024 to investigates the effect of varying leaf retention on leaf area index (LAI), photosynthetic activities, yield and quality of Crimson Seedless grapes grafted on Dogri...

Open access Research Article 10.9734/jabb/2024/v27i91281

Leaf Area Influences Photosynthetic Activities, Raisin Yield and Quality in Manjari Kishmish Grape Variety

R. G. Somkuwar, P. B. Kakade, J. K. Dhemre, P. S. Gharate, N. A. Deshmukh & P. H. Nikumbhe · Archives of Current Research International · 2024

The ideal leaf area is essential for optimizing photosynthesis and resource distribution, which improves both yield and quality. Leaf retention is a cultural practice that involves maintaining definite number of leaves above the bunch to optimize photosynthetic efficiency and fru...

Open access Research Article 10.9734/acri/2024/v24i6817

Rootstock Influences Yield, Berry Composition and Wine Quality in Sauvignon Blanc Grown under Semi-Arid Condition

R. G. Somkuwar, A. K. Sharma, Nilima Gobade & Praveen Kumar Ausari · Journal of Advances in Biology & Biotechnology · 2024

The influence of rootstocks on yield, berry and wine quality and sensory evaluation of Sauvignon Blanc was studied during 2017-2020 on 7-year-old vines of Sauvignon Blanc at ICAR-National Research Centre for Grapes, Pune, India.  The vines grafted on seven different rootstocks (D...

Open access Research Article 10.9734/jabb/2024/v27i7999

Influence of Growing Region on Targeted Anthocyanin Profile, Color, Phenolics, and Antioxidant Activity of Grape Juice

R. G. Somkuwar, P. B. Kakade, A. S. Thutte, A. K. Sharma, Ahammed Shabeer T. P., Arthanareeswaran Karunambigai & Siddanna Thoke · Journal of Advances in Biology & Biotechnology · 2024

Influence of Growing Region on Targeted Anthocyanin Profile, Color, Phenolics, and Antioxidant Activity of Grape Juice cv. Manjari Medika (MM) were examined. The prevailing environmental conditions affect chemical composition or metabolites of grapes. The MM grape berries were ha...

Open access Research Article 10.9734/jabb/2024/v27i6869

Physio-Biochemical Characterization of Grape Germplasm from Leh Grown Under Tropical Condition of India

R. D. Nale, S. A. Ranpise, R. G. Somkuwar & P.H. Nikumbhe · Journal of Advances in Biology & Biotechnology · 2024

Thirteen grape germplasm collected from local region of Leh district of Jammu and Kashmir were evaluated for physicochemical and biochemical characters for its suitability under tropical climate of India which has functional and nutritional value. Data on various vegetative, frui...

Open access Research Article 10.9734/jabb/2024/v27i101441