P. Ayyadurai
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View article: Assessment of Insect Pest Dynamics and Avoidable Yield Loss in Castor Hybrids under Protected and Unprotected Conditions in Tamil Nadu, India
Assessment of Insect Pest Dynamics and Avoidable Yield Loss in Castor Hybrids under Protected and Unprotected Conditions in Tamil Nadu, India Open
Field experiments were conducted during Kharif seasons of 2012, 2013 and 2014 to assess the incidence of major insect pests and quantify avoidable yield losses in castor (Ricinus communis L.) hybrids under protected and unprotected cultiva…
View article: Temporal Dynamics and Seasonal Incidence of Major Insect Pests in Castor (Ricinus communis L.) under Tropical Agro ecosystem of Tamil Nadu
Temporal Dynamics and Seasonal Incidence of Major Insect Pests in Castor (Ricinus communis L.) under Tropical Agro ecosystem of Tamil Nadu Open
An intensive four-year field study (2013–2017) was conducted at Tapioca and Castor Research Station, Tamil Nadu Agricultural University, to monitor the seasonal incidence and population dynamics of major insect pests infesting castor (Rici…
View article: Field Evaluation of Integrated Management Modules for Rugose Spiralling Whitefly (Aleurodicus rugioperculatus) in Coconut Ecosystem
Field Evaluation of Integrated Management Modules for Rugose Spiralling Whitefly (Aleurodicus rugioperculatus) in Coconut Ecosystem Open
An on-farm trial was conducted in Periyapudur village, Salem district, Tamil Nadu, to evaluate integrated management modules against rugose spiralling whitefly (RSW) (Aleurodicus rugioperculatus) infesting coconut palms. Three modules comb…
View article: Characterization of plant growth-promoting rhizobacteria from black pepper rhizosphere: Antinomic activity and field efficacy of Pseudomonas isolate KBPf16
Characterization of plant growth-promoting rhizobacteria from black pepper rhizosphere: Antinomic activity and field efficacy of Pseudomonas isolate KBPf16 Open
A random survey was undertaken to collect the rhizosphere soil samples from major black (Piper nigrum) pepper growing in highly elevated areas of Tamil Nadu to isolate and evaluate the native strains of Plant Growth Promoting Rhizobacteria…
View article: Soil temperature prediction based on ensemble tree bagger machine learning algorithm for agricultural decision making
Soil temperature prediction based on ensemble tree bagger machine learning algorithm for agricultural decision making Open
This study focuses on predicting surface soil temperature (ST) at a 5 cm depth, which significantly influences agricultural decisions such as sowing time, irrigation management and soil-plant-atmosphere dynamics. Machine learning (ML) algo…
View article: Performance of foxtail millet (Setaria italica (L.) P. Beauv.) based cropping system for rainfed agro ecosystems in Semi-Arid Tropics of India
Performance of foxtail millet (Setaria italica (L.) P. Beauv.) based cropping system for rainfed agro ecosystems in Semi-Arid Tropics of India Open
A field experiment was conducted during the Kharif seasons of 2020, 2021, and 2022 at the Centre of Excellence in Millets, Athiyandal, Thiruvannamalai, Tamil Nadu, to investigate the performance of foxtail millet (Setaria italica L.) based…
View article: Response of finger millet under organic nutrient management in sodic soil
Response of finger millet under organic nutrient management in sodic soil Open
Finger millet is a traditional food crop that holds immense significance due to its versatility, climate resilience, and higher nutritional value. Finger millet growers face challenges due to poor soil properties and environmental conditio…
View article: Trend Analysis of Blended Learning Research Output from Scopus: A Scientometric Study
Trend Analysis of Blended Learning Research Output from Scopus: A Scientometric Study Open
This research study is a scientometric analysis of blended learning research output indexed in Scopus from 2015 to 2023, revealing significant growth in publications and citation metrics. The analysis indicates an upward trend in records, …
View article: Integrated Crop Management Practices for Maximizing the Productivity of Horse Gram
Integrated Crop Management Practices for Maximizing the Productivity of Horse Gram Open
A Frontline demonstration was conducted to demonstrate the integrated crop management practices at ten locations of Dharmapuri district during Rabi season of 2020. The crop was cultivated by following the integrated crop management practic…
View article: Enhancing Blackgram (Vigna mungo L.) Productivity through Good Agricultural Practices in Tamil Nadu, India
Enhancing Blackgram (Vigna mungo L.) Productivity through Good Agricultural Practices in Tamil Nadu, India Open
Large scale pulse seed production demonstrations on black gram under the TN IAMP scheme conducted by Agricultural College and Research Institute, Tamil Nadu Agricultural University, Vazhavachanur, Tiruvannamalai district, Tamil Nadu, India…
View article: Evaluation of IPM Module for the Management of Key Insect Pests in Chilli
Evaluation of IPM Module for the Management of Key Insect Pests in Chilli Open
Chilli is a crop cultivated in tropical and subtropical regions of India, and the crop is attacked by a multitude of pests at different crop stages. The present study revealed that field experiments were laid out with three treatments, viz…
View article: Influence of IBA and NAA on Rooting of Terminal Cuttings of Chrysanthemum (Dendranthema grandiflora L.)
Influence of IBA and NAA on Rooting of Terminal Cuttings of Chrysanthemum (Dendranthema grandiflora L.) Open
The present investigation was conducted at the Agricultural College and Research Institute, Vazhavachanur, Tiruvannamalai to study the effect of Indole-3-Butyric Acid (IBA) and Naphthalene Acetic Acid (NAA) on the rooting of terminal cutti…
View article: Econometric Analysis and Intercropping Nutri-Cereals with Legumes (Urad Bean, Arhar) on Climate Resilience in North Eastern Zone of Tamil Nadu
Econometric Analysis and Intercropping Nutri-Cereals with Legumes (Urad Bean, Arhar) on Climate Resilience in North Eastern Zone of Tamil Nadu Open
Background: Nutri cereal - Legume intercrop systems are particularly beneficial in North Eastern Zone of Tamil Nadu, which are characterized by high levels of malnutrition, resource limitation and rainfall variability. These conditions are…
View article: Impact of Potassium Fertilization on Growth and Yield of Small Millets
Impact of Potassium Fertilization on Growth and Yield of Small Millets Open
Aims: To evaluate the impact of varying potassium application levels on the growth and yield of small millets and to assess the economic viability of potassium fertilization in small millet farming. Methodology: A split plot design experim…
View article: Effect of Ethyl Methane Sulphonate on Growth and Development of Mulberry (Morus sp.)
Effect of Ethyl Methane Sulphonate on Growth and Development of Mulberry (Morus sp.) Open
Ethyl methanesulfonate (EMS) is a genotoxic agent, it has been widely used as a model compound in experimental work to establish the receptiveness of the test system under examination. EMS induces damage to DNA by a direct mechanism, actin…
View article: Field Performance of Sesame Varieties under Rainfed Ecosystem in Southern Tamil Nadu, India
Field Performance of Sesame Varieties under Rainfed Ecosystem in Southern Tamil Nadu, India Open
In Pudukottai district, sesame is cultivated in 3,000 ha and farmers are predominantly growing very old sesame variety TMV 3. This variety is more susceptible to pest and diseases which leads to increased cultivation cost towards plant pro…
View article: Impact of organic farming training programmes on adoption in Dharmapuri district of Tamil Nadu, India
Impact of organic farming training programmes on adoption in Dharmapuri district of Tamil Nadu, India Open
The impact of organic farming training was studied in Dharmapuri district, Tamil Nadu. The chemical-based substances such as fertilizers, pesticides, growth regulators, and livestock feed additives were refrained in organic farming. This r…
View article: Maximization of Productivity and Water Saving through Alternate Wetting and Drying Irrigation (AWDI) in Rice under Tamil Nadu Irrigated Agriculture Modernization Project (TN IAMP) Aliyar Sub Basin Farmers of Tamil Nadu, India
Maximization of Productivity and Water Saving through Alternate Wetting and Drying Irrigation (AWDI) in Rice under Tamil Nadu Irrigated Agriculture Modernization Project (TN IAMP) Aliyar Sub Basin Farmers of Tamil Nadu, India Open
TN IAMP-II Aliyar sub basin scheme operated by Agricultural College and Research Institute (TNAU), Vazhavachanur, Tiruvannamalai, Tamil Nadu state has conducted large-scale front-line demonstrations on Alternate Wetting and Drying Irrigati…
View article: Demonstration of Ecological Engineering based Pest Management in Rice Oryza sativa L. through Farmers Participatory Approach
Demonstration of Ecological Engineering based Pest Management in Rice Oryza sativa L. through Farmers Participatory Approach Open
Background: Rice is one of the predominant cereal crop grown in Dharmapuri district of Tamil Nadu state, India in approximately 4000 hectares with a average productivity of 4500 kg/ha. Hoppers, stem borer, leaf folder, gall midge and ear h…
View article: Influence of Adjacent and Border Crops on the Incidence of Fall Armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in Maize
Influence of Adjacent and Border Crops on the Incidence of Fall Armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in Maize Open
Background: Maize is one of the predominant millets cultivated in an area of 6500 ha both under drip and open irrigation systems in Dharmapuri district. The infestation of invasive insect pest Spodoptera frugiperda poses major threat to ma…
View article: Damage of flower chafer beetle Oxycetonia versicolor Fabricius ((Scarabaeidae: Coleoptera) on brinjal in Dharmapuri district, Tamil Nadu
Damage of flower chafer beetle Oxycetonia versicolor Fabricius ((Scarabaeidae: Coleoptera) on brinjal in Dharmapuri district, Tamil Nadu Open
The occurrence of flower chafer beetle Oxycetonia versicolor Fabricius in brinjal has been studied in Dharmapuri district during 2018 - 19 and 2019 - 20. The survey was under taken in the major brinjal growing regions of Dharmapuri distric…
View article: Enhancing Chickpea Productivity through Cluster Frontline Demonstration
Enhancing Chickpea Productivity through Cluster Frontline Demonstration Open