Karnam Venkatesh
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View article: Agro-morphological trait diversity of barnyard millet germplasm for utilization in crop genetic improvement
Agro-morphological trait diversity of barnyard millet germplasm for utilization in crop genetic improvement Open
Barnyard millet is a small grain cereal classified as a minor millet, which is highly nutritious and adaptable to various agro-climatic zones and harsh environments. To understand the agro- morphological diversity, a study was conducted us…
View article: Morphological and Molecular Identification of Jamun Gall Whitefly <i>Rusostigma eugeniae</i> (Maskell)
Morphological and Molecular Identification of Jamun Gall Whitefly <i>Rusostigma eugeniae</i> (Maskell) Open
Whiteflies have become increasingly devastating in the horticultural sector due to the changing climate. Globally, the whitefly genus Rusostigma comprises four species; out of which only Rusostigma eugeniae (Maskell) is known from India. P…
View article: Deep Learning-Based Defect Detection for Light Aircraft with Unmanned Aircraft Systems (UAS)
Deep Learning-Based Defect Detection for Light Aircraft with Unmanned Aircraft Systems (UAS) Open
Aircraft safety and maintenance have long relied on manual inspections, which are time-consuming and prone to human error. This paper presents a deep learning-based automated defect detection system that uses Unmanned Aircraft Systems (UAS…
View article: Assessment of Growth Performance of Carp Species and Cucumber Plant (Cucumis sativus) Cultured in a Recirculating Aquaponic System
Assessment of Growth Performance of Carp Species and Cucumber Plant (Cucumis sativus) Cultured in a Recirculating Aquaponic System Open
A 140-day experiment was conducted to identify the most effective species combination of indigenous carps (Catla catla, Labeo rohita) and exotic carps (Cyprinus carpio, Ctenopharyngodon idella) integrated with cucumber plant (Cucumis sativ…
View article: Comparative Growth Performance of Indian Major Carps and Exotic Carps in an Aquaponics System with Cucumber (Cucumis sativus)
Comparative Growth Performance of Indian Major Carps and Exotic Carps in an Aquaponics System with Cucumber (Cucumis sativus) Open
The present study was conducted to reveal the best species combination of indigenous carps (Catla catla, Labeo rohita) and exotic carps (Cyprinus carpio, Ctenopharyngodon idella) with the cucumber plant (Cucumis sativus) in an aquaponic sy…
View article: Nano urea’s environmental edge and economic efficacy in boosting wheat grain yield across diverse Indian agro-climates
Nano urea’s environmental edge and economic efficacy in boosting wheat grain yield across diverse Indian agro-climates Open
The gradual increase in the consumption of mineral nitrogen is leading to heightened levels of harmful air pollutants, particularly N2O emissions from the agriculture sector. A potential solution to address the issues arising fr…
View article: Imprints of Soil Microbial Activity Accredited to Residue-Management and Tillage Practices for Boosting Rice and Wheat Production
Imprints of Soil Microbial Activity Accredited to Residue-Management and Tillage Practices for Boosting Rice and Wheat Production Open
The sustainable productivity of rice–wheat cropping systems relies on soil health, and soil health can be positively influenced by treating previous crop residues using conservation tillage practices. The present study examined the impact …
View article: Decoding Antixenotic Mechanism of Resistance in Cassava Genotypes against Whitefly, <i>Bemisia tabaci</i> (Gennadius)
Decoding Antixenotic Mechanism of Resistance in Cassava Genotypes against Whitefly, <i>Bemisia tabaci</i> (Gennadius) Open
Screening 375 cassava genotypes at Tapioca and Castor Research Station, Salem, India against whitefly, Bemisia tabaci (Gennadius) revealed eight highly resistant genotypes namely, Me 743, Me 650, Me 637, Me 739, Me 148, Me 874, Me 25, and …
View article: Exploring Heterosis in Kharif Sorghum Landraces (Sorghum bicolor (L.) Moench) for Yield and its Associated Traits
Exploring Heterosis in Kharif Sorghum Landraces (Sorghum bicolor (L.) Moench) for Yield and its Associated Traits Open
The extent of heterosis was evaluated through Line x Tester analysis for twenty-seven hybrids, derived from 9 kharif landrace lines and 3 grain sorghum variety testers.Heterosis levels varied across all traits examined for each cross.Signi…
View article: Development of Dibble Mechanism for Tractor Operated Two Row Semi – Automatic Vegetable Transplanter
Development of Dibble Mechanism for Tractor Operated Two Row Semi – Automatic Vegetable Transplanter Open
Vegetables play a crucial role in daily human nutrition, and India ranks second in vegetable production globally. Despite this, manual transplantation is prevalent in India, characterized by labor-intensive practices. The study aimed to ad…
View article: Effect of Foliar Nutrition and Growth Regulators on Growth, Quality and Economics of Greengram (Vigna radiata L.)
Effect of Foliar Nutrition and Growth Regulators on Growth, Quality and Economics of Greengram (Vigna radiata L.) Open
Aim: Foliar nutrition is aimed to eliminate the problems of fixation and immobilization of nutrients. Hence, foliar application of plant growth hormones is being recognized as a significant way of fertilizing modern agriculture, especially…
View article: Boosting wheat yield, profitability and NUE with prilled and nano urea in conservation tillage
Boosting wheat yield, profitability and NUE with prilled and nano urea in conservation tillage Open
Rice–wheat production in the Indo-gangetic plains (IGPs) of India faces major concerns such as depleting resources, rice residue burning, excessive fertilizer use, and decreasing nitrogen use efficiency. These issues threaten sustainable c…
View article: Characterization and Expression Analysis of<i>Nitrate Reductase 6-1ABD</i>Gene in Hexaploid Bread Wheat Under Different Nitrogen Regime
Characterization and Expression Analysis of<i>Nitrate Reductase 6-1ABD</i>Gene in Hexaploid Bread Wheat Under Different Nitrogen Regime Open
Nitrate reductase (NR) is the key rate-limiting enzyme of the nitrogen (N) assimilation process in plants, which has not been characterized in bread wheat under nitrogen stress, especially with respect to their homeologues. Total 9 NR s we…
View article: Unraveling the Interplay of Different Traits and Parameters Related to Nitrogen Use Efficiency in Wheat: Insights for Grain Yield Influence
Unraveling the Interplay of Different Traits and Parameters Related to Nitrogen Use Efficiency in Wheat: Insights for Grain Yield Influence Open
Enhancing Nitrogen Use Efficiency (NUE) in wheat to optimize grain yield is a significant challenge. To address this challenge, a comprehensive study was conducted to investigate various morphological, biochemical, molecular parameters, an…
View article: Agro-morphological Characterization of Proso millet Germplasm for Utilization
Agro-morphological Characterization of Proso millet Germplasm for Utilization Open
Aims: In this study, 634 accessions of proso millet were evaluated to assess phenotypic diversity using morpho-agronomic traits, aiming to identify specific donors for desired traits.
Study Design: Augmented design.
Place and Duration of…
View article: Nitrogen uptake and remobilization from pre- and post-anthesis stages contribute towards grain yield and grain protein concentration in wheat grown in limited nitrogen conditions
Nitrogen uptake and remobilization from pre- and post-anthesis stages contribute towards grain yield and grain protein concentration in wheat grown in limited nitrogen conditions Open
Background In wheat, nitrogen (N) remobilization from vegetative tissues to developing grains largely depends on genetic and environmental factors. The evaluation of genetic potential of crops under limited resource inputs such as limited …
View article: Physiological indices, productivity and profitability assessment at varying nitrogen levels of wheat under conservation agriculture
Physiological indices, productivity and profitability assessment at varying nitrogen levels of wheat under conservation agriculture Open
Conservation agriculture (CA) is a promising management practice adopted by spring wheat growers in the Indo-Gangetic plains (IGPs) of India, particularly in areas where residue burning is prominent. Effective nitrogen management is essent…
View article: Assessment of variability in sorghum [Sorghum bicolor (L.) Moench] germplasm for agro-morphological traits
Assessment of variability in sorghum [Sorghum bicolor (L.) Moench] germplasm for agro-morphological traits Open
Sorghum [Sorghum bicolor (L.) Moench] is an important staple food crop of the semi-arid tropics. Phenotypic characterization of conserved gene bank accessions is necessary for their effective utilization for crop improvement. In this study…
View article: Nitrogen Uptake and Remobilization from Pre- and Post-Anthesis Stages Contributes Towards Grain Yield and Protein Concentration in Wheat Nam Rils Grown in Limited Nitrogen Condition
Nitrogen Uptake and Remobilization from Pre- and Post-Anthesis Stages Contributes Towards Grain Yield and Protein Concentration in Wheat Nam Rils Grown in Limited Nitrogen Condition Open
View article: International Year of Millets 2023: Opportunity for Enhancing the Use of Indian Millets Germplasm
International Year of Millets 2023: Opportunity for Enhancing the Use of Indian Millets Germplasm Open
The global as well as Indian agriculture has witnessed tremendous growth in food production in the recent decades to meet the growing population, however it is also facing challenges such as climate change and malnutrition. Millets provide…
View article: Response of contrasting bread wheat genotypes for heat and drought stress tolerance for rhizospheric soil properties
Response of contrasting bread wheat genotypes for heat and drought stress tolerance for rhizospheric soil properties Open
Aim: The study aimed at investigating differential response of contrasting bread wheat genotypes for heat and drought stress towards changes in chemical and microbial components of rhizospheric soil for developing climate resilient wheat v…
View article: Sustainable intensification of maize and wheat cropping system through pulse intercropping
Sustainable intensification of maize and wheat cropping system through pulse intercropping Open
View article: Environmentally Sound Alternative Cropping Systems For Rice-Wheat Systems In North West India
Environmentally Sound Alternative Cropping Systems For Rice-Wheat Systems In North West India Open
Continuous cultivation of Rice-Wheat Cropping System (RWCS) in Indo-Gangetic Plains of India is showing declining factor productivity coupled with many environmental problems. Diversifying the RWCS is one of the environmental friendly opti…
View article: Integration of Dual Stress Transcriptomes and Major QTLs from a Pair of Genotypes Contrasting for Drought and Chronic Nitrogen Starvation Identifies Key Stress Responsive Genes in Rice
Integration of Dual Stress Transcriptomes and Major QTLs from a Pair of Genotypes Contrasting for Drought and Chronic Nitrogen Starvation Identifies Key Stress Responsive Genes in Rice Open
View article: Has the wheat improvement programme succeeded in elating productivity growth across production environments of India?
Has the wheat improvement programme succeeded in elating productivity growth across production environments of India? Open
The mean yield of the released and pre-released bread wheat varieties was examined for the period 1990-2020 to study progress in yield enhancement under ten diverse production environments of India. Productivity growth was examined in two …
View article: Nitrogen Challenges and Opportunities for Agricultural and Environmental Science in India
Nitrogen Challenges and Opportunities for Agricultural and Environmental Science in India Open
In the last six decades, the consumption of reactive nitrogen (N r ) in the form of fertilizer in India has been growing rapidly, whilst the nitrogen use efficiency (NUE) of cropping systems has been decreasing. These trends have led to in…
View article: Additional file 1 of Integration of Dual Stress Transcriptomes and Major QTLs from a Pair of Genotypes Contrasting for Drought and Chronic Nitrogen Starvation Identifies Key Stress Responsive Genes in Rice
Additional file 1 of Integration of Dual Stress Transcriptomes and Major QTLs from a Pair of Genotypes Contrasting for Drought and Chronic Nitrogen Starvation Identifies Key Stress Responsive Genes in Rice Open
Additional file 1: Supplementary Table 1: All differentially expressed genes identified under N-W+, N + W- and N_W- treatments compared to optimal input supply (N + W+) in root and shoot tissues of IR64 and N22. Supplementary Table 2: Comp…
View article: Exogenous melatonin improves seedling vigor and drought tolerance in wheat
Exogenous melatonin improves seedling vigor and drought tolerance in wheat Open
Wheat ( Triticum aestivum L.), being a principal staple cereal crop for about 36% of the world population is of prime importance. However, due to its wide agro ecological adaptations it is subjected to various climatic vagaries and hence p…
View article: Integration of Dual Stress Transcriptomes and Major QTLs&nbsp;From a Pair of Genotypes Contrasting for Drought and Chronic Nitrogen Starvation Identifies Key Stress Responsive Genes in Rice
Integration of Dual Stress Transcriptomes and Major QTLs From a Pair of Genotypes Contrasting for Drought and Chronic Nitrogen Starvation Identifies Key Stress Responsive Genes in Rice Open
We report here the genome-wide changes resulting from low N (N-W+), low water (N+W-) and dual stresses (N-W-) in root and shoot tissues of two rice genotypes, namely, IR 64 (IR64) and Nagina 22 (N22), and their association with the QTLs fo…
View article: Effect of Rice Residue Retention and Foliar Application of K on Water Productivity and Profitability of Wheat in North West India
Effect of Rice Residue Retention and Foliar Application of K on Water Productivity and Profitability of Wheat in North West India Open
The rice–wheat cropping system being the backbone of food security in South-Asia has resulted in soil health deterioration, declining water table, and air pollution affecting livability index of the region. The effect of rice residue reten…