Pratheesh P. Gopinath
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View article: Designs for sensory experiments and product optimisation: A comprehensive review
Designs for sensory experiments and product optimisation: A comprehensive review Open
Research in the fields of postharvest technology and food and nutrition are rapidly advancing with sensory experiments playing a major role in assessing consumer preference. Understanding various design and analysis approaches for conducti…
View article: Balancing of Oxidative Stress and Antioxidant Accumulation in Finger Millet under High Temperature and Elevated CO₂ × Drought Stress Interactions
Balancing of Oxidative Stress and Antioxidant Accumulation in Finger Millet under High Temperature and Elevated CO₂ × Drought Stress Interactions Open
Aims: The study aimed to evaluate the oxidative stress responses and antioxidant regulation in four finger millet genotypes (GPU 28, ML 365, GPU 66, and GPU 67) under high temperature and elevated CO₂ x drought stress interaction. Study De…
View article: Effect of Colchicine on Morphological and Ornamental Traits of Gladiolus grandiflorus L.
Effect of Colchicine on Morphological and Ornamental Traits of Gladiolus grandiflorus L. Open
Gladiolus is one of the most important lucrative cut flower crops that is cultivated globally, valued for its diverse spike shapes, sizes and vibrant colour combinations. Gladiolus, with its inherent heterozygosity, is well-suited for poly…
View article: Screening rice varieties for enhanced nitrogen use efficiency and yield based on root trait evaluation
Screening rice varieties for enhanced nitrogen use efficiency and yield based on root trait evaluation Open
Nitrogen (N) fertilizers have played a significant role in enhancing rice yield over recent decades; however, their excessive use has also led to considerable negative environmental impacts. To achieve sustainable productivity, it is essen…
View article: Evolution of Chilli Pepper Breeding: From Conventional Methods to Cutting-Edge Genetic Improvements
Evolution of Chilli Pepper Breeding: From Conventional Methods to Cutting-Edge Genetic Improvements Open
Chilli pepper is an important spice crop, with high medicinal and culinary properties along with high levels of vitamins and antioxidants. Both conventional and non-conventional breeding methods have been adopted for the development of pro…
View article: Assessment of Genetic Diversity for Grain Iron and Zinc Contents among 123 Rice Germplasm Lines
Assessment of Genetic Diversity for Grain Iron and Zinc Contents among 123 Rice Germplasm Lines Open
Aims: This study evaluated 123 rice germplasm lines to assess genetic diversity for major biometric and grain iron and grain zinc contents and identify superior donor genotypes for biofortification breeding programmes. Study Design: comple…
View article: Seed priming with silicon dioxide and potassium nitrate alleviates the ill effects of water stress in chilli (Capsicum annuum L.) by suppressing reactive oxygen species (ROS) accumulation and improving antioxidant defence systems
Seed priming with silicon dioxide and potassium nitrate alleviates the ill effects of water stress in chilli (Capsicum annuum L.) by suppressing reactive oxygen species (ROS) accumulation and improving antioxidant defence systems Open
Deficit soil moisture is one of the most critical limiting factors affecting crop growth and overall productivity. Because of its low membrane integrity, high stomatal conductance and increased transpiring leaf surface, the essential solan…
View article: Allelopathic effects of bitter gourd (Momordica charantia L.) whole plant extract and dry biomass on germination and growth of vegetable cowpea, okra and amaranth
Allelopathic effects of bitter gourd (Momordica charantia L.) whole plant extract and dry biomass on germination and growth of vegetable cowpea, okra and amaranth Open
The study was carried out to evaluate the allelopathic potential of bitter gourd on vegetable crops such as vegetable cowpea, okra and amaranth. The research comprised a germination bioassay (September 2023 to October 2023), to assess the …
View article: Reproductive Barriers in Interspecific Capsicum Hybrids: A Comparative Study of F1 Interspecific Hybrids and Parental Lines
Reproductive Barriers in Interspecific Capsicum Hybrids: A Comparative Study of F1 Interspecific Hybrids and Parental Lines Open
Interspecific hybridization is a powerful technique for introducing new genes into cultivated crops like Capsicum, especially to integrate desirable traits from wild relatives. A common challenge, however, is the presence of reproductive b…
View article: Enhancing finger millet yield and grain quality through stale seedbed and live mulch strategies
Enhancing finger millet yield and grain quality through stale seedbed and live mulch strategies Open
Finger millet grains are highly nutritious and contain higher amount of mineral nutrients compared to other cereals and millets. However, weed infestation remains a major biological constraint that significantly reduces its productivity. T…
View article: Prospects of ready-mix herbicides for weed management in transplanted rice (Oryza sativa L.) in the southern laterites of Kerala, India
Prospects of ready-mix herbicides for weed management in transplanted rice (Oryza sativa L.) in the southern laterites of Kerala, India Open
View article: Sustainable Strategies for Enhancing Vegetative Propagation Efficacy and Yield in Sweet Basil (Ocimum basilicum L.)
Sustainable Strategies for Enhancing Vegetative Propagation Efficacy and Yield in Sweet Basil (Ocimum basilicum L.) Open
Sweet basil (Ocimum basilicum L.) is an important aromatic, medicinal and culinary herb valued for pleasant fragrances and therapeutic properties. It is commonly used in perfumes, cosmetics, aromatherapy, flavoring, and herbal medicines. V…
View article: Comparative Evaluation of Physico-chemical and Nutritional Attributes of Black Rice and White Rice
Comparative Evaluation of Physico-chemical and Nutritional Attributes of Black Rice and White Rice Open
Aims: The primary aim of this study was to compare the nutritional composition and physico-chemical properties of indigenous Assam black rice with Swetha white rice, in order to evaluate the potential of black rice as a functional food sou…
View article: Allelopathic Influence of Leachates of Sesame Varieties on Germination and Growth of Weeds
Allelopathic Influence of Leachates of Sesame Varieties on Germination and Growth of Weeds Open
Background: Allelopathy is described as the interference to plant growth resulting from chemical interactions among plants and other organisms mediated through release of plant-produced bioactive secondary metabolites referred to as allelo…
View article: Integrated morphological and biochemical analysis of selected sesame (Sesamum spp.) species
Integrated morphological and biochemical analysis of selected sesame (Sesamum spp.) species Open
The study aimed to characterize wild relatives and traditional cultivars of sesame based on their morphology and biochemical properties, including crude protein, oil content, fatty acid profiles, and total phenol content. The study include…
View article: Understanding Waterlogging Stress in Cowpea: An Overview
Understanding Waterlogging Stress in Cowpea: An Overview Open
Waterlogging stress is a significant threat to the global agriculture, resulted in the 33% reduction in the average crop yield. It is predicted that annual daily precipitation will increase by 14% by 2050 in IPCC report. Increase in precip…
View article: Effect of Nitrogen Management on Growth and Yield of Diverse Nitrogen-efficient Genotypes of Rice (Oryza sativa L.) in the Southern Laterites of Kerala, India
Effect of Nitrogen Management on Growth and Yield of Diverse Nitrogen-efficient Genotypes of Rice (Oryza sativa L.) in the Southern Laterites of Kerala, India Open
A field experiment was conducted at the Department of Agronomy, College of Agriculture, Vellayani, Kerala, to evaluate the field performance of four nitrogen-efficient rice varieties (two short duration varieties and two medium duration ri…
View article: Effect of Intercropping and Nutrient Management on Weed Control and Yield in Cassava Based Production Systems
Effect of Intercropping and Nutrient Management on Weed Control and Yield in Cassava Based Production Systems Open
A field experiment was conducted to evaluate the effect of red gram intercropping and nutrient management practices in cassava on weed control and yields at the College of Agriculture, Vellayani during May 2022 to May 2023. The experiment …
View article: Identification of New Sources of Tolerance to Leaf Curl-mosaic Complex Disease in Chilli Pepper (Capsicum spp.)
Identification of New Sources of Tolerance to Leaf Curl-mosaic Complex Disease in Chilli Pepper (Capsicum spp.) Open
The identification of disease-tolerant genotypes is a necessity for sustainable management of chilli leaf curl-mosaic complex disease (ChiLCMC) that usually causes upto hundred percent yield loss in chilli. This study aimed to screen chill…
View article: Enhancing Crop Quality and Food Security through Fertigation and Foliar Feeding Strategies
Enhancing Crop Quality and Food Security through Fertigation and Foliar Feeding Strategies Open
Chilli (Capsicum annuum L.) is a vital crop in both domestic and international markets, cultivated across 4.18 lakh hectares in India with an annual production of 44.17 lakh tonnes. Despite its importance, productivity remains low (10.60 t…
View article: Foliar symptom-based disease detection in black pepper using convolutional neural network
Foliar symptom-based disease detection in black pepper using convolutional neural network Open
Black pepper is the most important and widely consumed spice in the world. Insects and diseases are the major concerns for black pepper production, among the many variables causing a decline in black pepper productivity. The major diseases…
View article: Temporal dynamics and prediction model of sheath blight in rice under prevailing weather conditions
Temporal dynamics and prediction model of sheath blight in rice under prevailing weather conditions Open
Aim: To study the effect of weather variables in the development of sheath blight in rice. Methodology: The nursery of rice cv. PR 121 was raised in last week of May in four consecutive kharif seasons 2019 to 2022 and one-month-old seedlin…
View article: Impact of Gametocides on Pollen Sterility and Growth Traits in Chilli (Capsicum annuum L.)
Impact of Gametocides on Pollen Sterility and Growth Traits in Chilli (Capsicum annuum L.) Open
This study, conducted at the College of Agriculture, Vellayani, Thiruvananthapuram during 2023-2024, investigated the effects of gametocides on pollen sterility and plant growth in two chilli varieties, Jwalamukhi and Ujwala. The experimen…
View article: Smallholder farmer’s preferences for sustained participation in high-value markets for black pepper in Kerala, India
Smallholder farmer’s preferences for sustained participation in high-value markets for black pepper in Kerala, India Open
The sustainability concerns of the developed world together with increased tourism activities and migration have stimulated the growth and expansion of domestic and international High Value Markets (HVMs) of black pepper. This study is an …
View article: Primary trader preferences for participating in high-value markets in Black Pepper- A choice analysis
Primary trader preferences for participating in high-value markets in Black Pepper- A choice analysis Open
Facilitating the integration of primary traders into modern agricultural value chains, known as high-value markets (HVMs), presents a promising avenue for improving the sustainability of black pepper value chains in Kerala. Due to increase…
View article: Constraints Faced by Members of Rice Group Farming: An Analysis Using Garrett Ranking Technique in Palakkad, Kerala, India
Constraints Faced by Members of Rice Group Farming: An Analysis Using Garrett Ranking Technique in Palakkad, Kerala, India Open
The study aimed to explore and rank the constraints experienced by members of Padasekhara Samithis, the collectives of paddy farmers in Kerala. The research focused on Palakkad district, which was chosen due to its high concentration of Pa…
View article: Dynamic Transformations in Fruit Color, Bioactive Compounds, and Textural Characteristics of Purple-Fleshed Dragon Fruit (Hylocereus costaricensis) Across Fruit Developmental Stages Under Humid Tropical Climate
Dynamic Transformations in Fruit Color, Bioactive Compounds, and Textural Characteristics of Purple-Fleshed Dragon Fruit (Hylocereus costaricensis) Across Fruit Developmental Stages Under Humid Tropical Climate Open
Purple-fleshed dragon fruit is gaining popularity worldwide due to its distinctive characteristics and health benefits. This climbing cactus, introduced to humid tropical climates, presents challenges in assessing fruit quality. The dynami…
View article: Impact on farm Income by Jalasamrudhi Project, Thiruvananthapuram, India
Impact on farm Income by Jalasamrudhi Project, Thiruvananthapuram, India Open
The study analysed the impact of the Jalasamrudhi watershed development programme on farm income. The data regarding the crops and income were collected from the Kattakada legislative constituency of the Jalasamrudhi Project, Thiruvanantha…
View article: Challenges in Sesame Production and Marketing: Insights from Kerala's Onattukara Region, India
Challenges in Sesame Production and Marketing: Insights from Kerala's Onattukara Region, India Open
Sesame is one of the nine major oilseeds grown in India, with cultivation spread across every state. Although sesame is grown in 11 districts in Kerala, the sesame cultivated in the Onattukara tract has unique characteristics. In Kerala, s…
View article: Productivity Enhancement in Blackgram (Vigna mungo L.) through Foliar Application of Potassium Salt of Active Phosphorus (PSAP)
Productivity Enhancement in Blackgram (Vigna mungo L.) through Foliar Application of Potassium Salt of Active Phosphorus (PSAP) Open
A field experiment was conducted at the Instructional Farm, College of Agriculture, Vellayani during December 2023 to March 2024, to assess the performance of blackgram in terms of yield. The field experiment was laid out in Factorial Rand…