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View article: Bacillus and Stenotrophomonas- The Predominant Culturable Endosymbiotic Bacterial Genus in Paracaccus marginatus
Bacillus and Stenotrophomonas- The Predominant Culturable Endosymbiotic Bacterial Genus in Paracaccus marginatus Open
The papaya mealybug being polyphagous in nature, adapted to a large number of host plants. The secondary endosymbiotic profile of mealybugs are specific to their host plants. The culturable endosymbiotic bacteria of papaya mealybug from fi…
View article: Influence of antibiotics on the fitness parameters of rugose spiraling whitefly, <i>Aleurodicus rugioperculatus</i> Martin (Hemiptera: Aleyrodidae)
Influence of antibiotics on the fitness parameters of rugose spiraling whitefly, <i>Aleurodicus rugioperculatus</i> Martin (Hemiptera: Aleyrodidae) Open
View article: Deciphering Biochemical Traits in Selected RILs of Mungbean [Vigna radiata (L.) Wilczek] against Bruchids (Callosobruchus maculatus F.)
Deciphering Biochemical Traits in Selected RILs of Mungbean [Vigna radiata (L.) Wilczek] against Bruchids (Callosobruchus maculatus F.) Open
Background: Mungbean [Vigna radiata (L.) Wilczek] is a vital pulse crop having a colossal nutritionary and gastronomic significance. The bruchid, Callosobruchus maculatus is recognised as the most heinous storage pest of leguminous crops t…
View article: Effect of temperature on brown planthopper Infestation in rice using hyperspectral remote Sensing
Effect of temperature on brown planthopper Infestation in rice using hyperspectral remote Sensing Open
View article: Seed Biopriming by Endophytes for Enhanced Field Performance of Hybrid Maize (Zea mays L.) COH(M) 8
Seed Biopriming by Endophytes for Enhanced Field Performance of Hybrid Maize (Zea mays L.) COH(M) 8 Open
Background: Endophytes are generally defined as symptomless fungal or bacterial microorganisms, which are associated with their host plants by colonizing the internal plant parts, which has made them as a valuble tool in improving crop per…
View article: Molecular Characterization of Fall Armyworm (Spodoptera frugiperda, J.E. Smith) Feeding on Rice (Oryza sativa L.) in Tamil Nadu
Molecular Characterization of Fall Armyworm (Spodoptera frugiperda, J.E. Smith) Feeding on Rice (Oryza sativa L.) in Tamil Nadu Open
The fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is an invasive insect pest of India native to the Western Hemisphere. The pest damages more than 350 plant species. FAW is genetically divided into two s…
View article: Artificial intelligence-powered expert system model for identifying fall armyworm infestation in maize (Zea mays L.)
Artificial intelligence-powered expert system model for identifying fall armyworm infestation in maize (Zea mays L.) Open
Maize (Zea mays L) is one of the most saleable cereal crops grown worldwide and a dominant staple food in many developing countries. The severe outbreak of fall armyworm in maize causes massive yield loss. Modern technologies, including sm…
View article: Trained neural network to predict paddy yield for various input parameters in Tamil Nadu, India
Trained neural network to predict paddy yield for various input parameters in Tamil Nadu, India Open
The major objective of the present study was to explore if Artificial Neural Network (ANN) models with back propagation could efficiently predict the rice yield under various climatic conditions; ground-specific rainfall, ground-specific w…
View article: Butterfly diversity in relation to host and nectar food plants in TNAU Botanical Garden, Coimbatore
Butterfly diversity in relation to host and nectar food plants in TNAU Botanical Garden, Coimbatore Open
Aim: The present study was undertaken to assess the food resources and butterfly diversity in Botanical Garden, Tamil Nadu Agricultural University. Methodology: The survey was conducted in targeted locality from September 2015 – October 20…
View article: Influence of volatiles emitted from watermelon bud necrosis virus (WBNV) infected watermelon plants over healthy plants
Influence of volatiles emitted from watermelon bud necrosis virus (WBNV) infected watermelon plants over healthy plants Open
Melon thrips, Thrips palmi Karny (Family: Thripidae; Order: Thysanoptera) is a polyphagous pest and mainly infest on Solanaceae, Cucurbitaceae and Leguminosae plants in tropical countries.An exploratory study was conducted to comprehend th…
View article: Incidence of Bitter Gourd gall midge and assessment of Farmers management practices
Incidence of Bitter Gourd gall midge and assessment of Farmers management practices Open
Two gall midge species viz., Lasioptera falcata and L. bryoniae are found to infest the bitter gourd causing galls in shoots and leaf petiole arresting further growth of the plant. The infestation of the gall midge was high in Coimbatore (…
View article: Effect of varied levels of NPK fertilizers on soil reaction and electrical conductivity
Effect of varied levels of NPK fertilizers on soil reaction and electrical conductivity Open
Imbalanced application of inorganic fertilizer generates undesirable over soil physicochemical properties to a great extent. Short term aerobic incubation experiment was implemented with soil samples (Typic Haplustert) collected from top s…
View article: Histological study of anomalous growth in the stem of Momordica charantia infested with Lasioptera bryoniae Schiner
Histological study of anomalous growth in the stem of Momordica charantia infested with Lasioptera bryoniae Schiner Open
Gall formation due to attack of the larvae of Lasioptera bryoniae Schiner is common on the stem of Momordica charantia. Histological changes have been studied. Isolated patches of secondary meristematic centres develop throughout the proli…
View article: Appraisal of soil nutrient status in rice ecosystem using nutrient index in Thondamuthur Block, Coimbatore
Appraisal of soil nutrient status in rice ecosystem using nutrient index in Thondamuthur Block, Coimbatore Open
Geo referenced soil survey was undertaken in rice growing areas of Thondamuthur Block, Coimbatore district of Tamil Nadu. The main aim of this study was to carry out the evaluation of soil fertility and fertilization practices being follow…
View article: An integrated approach for identification of <i>Frankliniella schultzei</i> (Trybom)
An integrated approach for identification of <i>Frankliniella schultzei</i> (Trybom) Open
The blossom thrips Frankliniella schultzei (Trybom) (Thysanoptera: Thripidae) is a vector of tospoviruses and cause severe yield loss in several horticultural and agricultural crops. A study was conducted to identify the thrips species ass…
View article: Melon thrips <i>Thrips palmi</i> karny association with bud necrosis disease in water melon
Melon thrips <i>Thrips palmi</i> karny association with bud necrosis disease in water melon Open
View article: Behavioral response of parasitoid Acerophagus papayae Noyes and Schauff to papaya mealybug Paracoccus marginatus on different host plants
Behavioral response of parasitoid Acerophagus papayae Noyes and Schauff to papaya mealybug Paracoccus marginatus on different host plants Open
View article: Dynamic Changes in Soil Physico-Chemical Properties with the Application of Inorganic Fertilizers
Dynamic Changes in Soil Physico-Chemical Properties with the Application of Inorganic Fertilizers Open
Imbalanced application of inorganic fertilizer generates undesirable over soil physicochemical properties to a great extent.Short term aerobic incubation experiment was implemented with soil samples (Typic Haplustert) collected from top so…
View article: Assessment of Spatial Variability of Soil Nutrient Status in Rice Ecosystem Using Nutrient Index in Anaimalai Block, Coimbatore
Assessment of Spatial Variability of Soil Nutrient Status in Rice Ecosystem Using Nutrient Index in Anaimalai Block, Coimbatore Open
Geo referenced soil survey was undertaken in rice growing areas of Anaimalai Block, Coimbatore district of Tamil Nadu.The main aim of this study was to carry out the evaluation of soil fertility and fertilization practices being followed b…
View article: Seasonal incidence of melon thrips (Thrips palmi Karny) and Watermelon bud necrosis virus (WBNV) in Watermelon (Citrullus lanatus)
Seasonal incidence of melon thrips (Thrips palmi Karny) and Watermelon bud necrosis virus (WBNV) in Watermelon (Citrullus lanatus) Open
Watermelon bud necrosis virus (Buniyaviridae; Tospovirus) is the major production constrains in watermelon and it is transmitted by Thrips palmi Karny. A study was conducted during summer 2019 in Tamil Nadu, India to understand the influen…
View article: Genetic variability in segregating generations of greengram (<i>Vigna radiata L.</i>Wilczek) for quantitative traits.
Genetic variability in segregating generations of greengram (<i>Vigna radiata L.</i>Wilczek) for quantitative traits. Open
Variability studies were carried out in the present study for eight quantitative traits such as days to first flowering, plant height, number of clusters per plant, number of pods per cluster, total number of pods per plant, number of seed…
View article: Biology and life table parameters of Myzus persicae Sulzer (Hemiptera: Aphididae) in cauliflower, Brassica oleracea var. botrytis
Biology and life table parameters of Myzus persicae Sulzer (Hemiptera: Aphididae) in cauliflower, Brassica oleracea var. botrytis Open
Aphid complex was a serious problem in cruciferous vegetables causing about 50 to 67 per cent of yield loss. Among which Myzus persicae was the first one to appear in both the cropping seasons and remained till the harvest. The experiment …
View article: Morphological and Biochemcal basis of Gall Midge <i>Lasioptera bryoniae</i> (Schiner) resistance in Bitter gourd
Morphological and Biochemcal basis of Gall Midge <i>Lasioptera bryoniae</i> (Schiner) resistance in Bitter gourd Open
Twenty-two germplasms of Bitter gourd (Momordica charantia) was screened for their resistance against bitter gourd gall midge Lasioptera bryoniae. Total number of maggots/gall was correlated with length and width of the gall. Gall midge in…
View article: Combined traditional and modern methods for identification of melon thrips <i>Thrips palmi</i> Karney: The vector of <i>Watermelon bud necrosis virus</i> (Tospovirus: Buniyaviridae)
Combined traditional and modern methods for identification of melon thrips <i>Thrips palmi</i> Karney: The vector of <i>Watermelon bud necrosis virus</i> (Tospovirus: Buniyaviridae) Open
Thrips palmi is a highly polyphagous pest and act as direct as well as indirect pest. A research work was carried out to characterize the thrips species occurring in Watermelon bud necrosis virus (WBNV) hotspot areas of Tamil Nadu and Karn…
View article: Transmission studies of Leaf Crinkle Virus in Blackgram (Vigna mungo L.)
Transmission studies of Leaf Crinkle Virus in Blackgram (Vigna mungo L.) Open
Blackgram (Vigna mungo) is a major pulse crop grown in Tamil Nadu and leaf crinkle virus is an important disease that infects the crops at various stages of its growth, which reduce the yield drastically. There are conflicting reports on t…
View article: Coloured sticky traps to monitor thrips population in cotton
Coloured sticky traps to monitor thrips population in cotton Open
Different coloured sticky traps includes blue, white, yellow, red and green were used to monitor the movement of thrips and the number of thrips catches at different growth stages of cotton. Results of two field trials confirmed that yello…
View article: Efficacy of different botanical extracts on Thrips palmi in cotton
Efficacy of different botanical extracts on Thrips palmi in cotton Open
The melon thrips, Thrips palmi (Karny) (Thysanoptera: Thripidae), is one of the major early season cotton pests. Efficacy of NSKE 5%, Neem oil 1%, Andrographis paniculata leaf extract 10 %, Mirabilis jalapa root extract 10%, Lantana camara…
View article: Chemical ecology of <i>Acerophagus papayae</i> Noyes and Schauff <i>Vis-à-Vis</i> Gas Chromatography
Chemical ecology of <i>Acerophagus papayae</i> Noyes and Schauff <i>Vis-à-Vis</i> Gas Chromatography Open
The chemical ecology of the parasitoid Acerophagus papayae Noyes and Schauff was studied with Gas Chromatography-Mass Spectrometry (GC-MS) volatiles analysis. The biochemical constituents and secondary metabolites in the host plant leaves …
View article: Seasonal incidence and influence of weather factors on two spotted spider mite, Tetranychus urticae Koch in Jasmine (Jasminum sambac L.) ecosystem
Seasonal incidence and influence of weather factors on two spotted spider mite, Tetranychus urticae Koch in Jasmine (Jasminum sambac L.) ecosystem Open
A study was conducted to assess the population dynamics of two spotted spider mite in jasmine in two different climate zones ie., Madurai and Coimbatore District of Tamil Nadu. From the study, it was evident that the occurrence of two spot…
View article: Bio-efficacy of EC formulations of <i>Strychnos nux-vomica</i> extracts against <i>Plutella xylostella</i> Linn. in Cauliflower (<i>Brassica oleracea</i> L. var. <i>botrytis</i>)
Bio-efficacy of EC formulations of <i>Strychnos nux-vomica</i> extracts against <i>Plutella xylostella</i> Linn. in Cauliflower (<i>Brassica oleracea</i> L. var. <i>botrytis</i>) Open
The extracts from different plant parts viz., leaves, seeds, stem bark, root bark and fruit rind of Strychnos nux-vomica, extracted in different solvents viz., ethanol, methanol, hexane, acetone, chloroform were evaluated against P. xylost…