N. Muthukrishnan
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View article: Carbon Economics of Different Agricultural Practices for Farming Soil
Carbon Economics of Different Agricultural Practices for Farming Soil Open
The loss of soil organic carbon (SOC) poses a severe danger to agricultural sustainability around the World. This review examines various farming practices and their impact on soil organic carbon storage. After a careful review of the lite…
View article: Comparative analysis of unmanned aerial vehicle and conventional spray systems for the maize fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera; Noctuidae) management
Comparative analysis of unmanned aerial vehicle and conventional spray systems for the maize fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera; Noctuidae) management Open
Insecticidal interventions at critical stages of maize are an important strategy for managing invasive insect pest fall armyworm (FAW) Spodoptera frugiperda (J.E. Smith). Conventional spraying systems cannot be used over larger areas, and …
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: Seasonal Incidence Of Mango, Guava And Sapota Pests In Tiruvannamalai District Of Tamil Nadu, India
Seasonal Incidence Of Mango, Guava And Sapota Pests In Tiruvannamalai District Of Tamil Nadu, India Open
The roving survey was conducted to document the seasonal incidence of insect pests of mango, guava and sapota in the Thandrampattu block of Tiruvannamalai District. During the survey on mango, it was observed pests like mango leaf hopper (…
View article: Chilling Resistance and Physio -Chemical Changes during Cold Acclimation in Foxtail Millet Genotypes
Chilling Resistance and Physio -Chemical Changes during Cold Acclimation in Foxtail Millet Genotypes Open
Millets are known as poor man crops, because they grow well in rain-fed or dry land conditions with insufficient soil fertility and water. Food shortages could become more severe in the coming years as the world population rises and arable…
View article: Morphological, Biochemical and Genetic Characterisation of Entomopathogenic Bacteria infesting Maize Fall Armyworm, SpodopterafrugiperdaJ.E Smith (Noctuidae; Lepidoptera) Collected from Different Parts of Tamil Nadu
Morphological, Biochemical and Genetic Characterisation of Entomopathogenic Bacteria infesting Maize Fall Armyworm, SpodopterafrugiperdaJ.E Smith (Noctuidae; Lepidoptera) Collected from Different Parts of Tamil Nadu Open
Regular field surveyswere conducted at major maize growing tract of Tamil Nadu viz ., Perambalur, Tiruchirappalli, Dindigul and Madurai during 2019-2022for exploring the naturally occurring entomopathogensin maize fall armyworm (FAW), Spod…
View article: Effect of Panchagavya, Vermiwash and vermicompost on the growth and yield of Brinjal and Chilli
Effect of Panchagavya, Vermiwash and vermicompost on the growth and yield of Brinjal and Chilli Open
View article: Biology and Nutritional Indices of the Fall Army Worm <i>Spodoptera Frugiperda</i> (J E Smith) on Maize
Biology and Nutritional Indices of the Fall Army Worm <i>Spodoptera Frugiperda</i> (J E Smith) on Maize Open
Lifecycle, progressive growth of larval head capsule, and nutritional indices of Spodoptera frugiperda (J E Smith) on maize (Co-H6) were studied at the Department of Agricultural Entomology, TNAU, Coimbatore during 2018-19. Incubation, tot…
View article: Population Dynamics of Fall Army Worm <i>Spodoptera Frugiperda</i> (J E Smith) on Maize
Population Dynamics of Fall Army Worm <i>Spodoptera Frugiperda</i> (J E Smith) on Maize Open
Population dynamics of the fall army worm (FAW) Spodoptera frugiperdaon maize was carried out at the research field of Tamil Nadu Agricultural University, Coimbatore (kharif and rabi, 2018 and 2019). The results revealed that maximum FAW t…
View article: Toxicity of Thiamethoxam 25WG and Sulfoxaflor 21.8SC tTo Rice White Backed Planthopper sogatella furcifera (Horvath)
Toxicity of Thiamethoxam 25WG and Sulfoxaflor 21.8SC tTo Rice White Backed Planthopper sogatella furcifera (Horvath) Open
Baseline toxicity of neonicotinoid insecticides viz., thiamethoxam 25WG and sulfoxaflor 21.8SC was assessed in the field collected populations of the rice white backed planthopper Sogatella furcifera (Horvath). The major rice growing regio…
View article: Toxicity of Imidacloprid 17.8%SL and Triflumezopyrim 10%SC to Rice Brown Planthopper Nilaparvata lugens
Toxicity of Imidacloprid 17.8%SL and Triflumezopyrim 10%SC to Rice Brown Planthopper Nilaparvata lugens Open
The rice brown planthopper Nilaparvata lugens (Stål.) is a threat to rice growers and it has developed resistance to many insecticides. Hence, newer molecules like triflumezopyrim 10%SC are available. Its toxicity has been investigated in …
View article: A New Scoring Technique for Assessing the Infestation of Maize Fall Armyworm, Spodoptera frugiperda (J.E. Smith)
A New Scoring Technique for Assessing the Infestation of Maize Fall Armyworm, Spodoptera frugiperda (J.E. Smith) Open
Maize fall armyworm, Spodoptera frugiperda (J.E. Martin (Noctuidae: Lepidoptera), first recorded in the Americas spread to Africa during 2016 and later spread to more than 40 countries including India during July, 2018. Infestation by maiz…
View article: Influence of rice crop stage on the distribution of hymenopteran parasitoids of insect pests
Influence of rice crop stage on the distribution of hymenopteran parasitoids of insect pests Open
A total of 43 insect parasitoid species belonging to fourteen families (Aphelinidae, Braconidae, Ceraphronidae, Diapriidae, Encyrtidae, Eulophidae, Eurytomidae, Ichneumonidae, Megaspilidae, Mymaridae, Platygasteridae, Proctotrupidae, Ptero…
View article: A Correlation and path analysis studies on yield and yield components in brinjal (Solanum melongena L.)
A Correlation and path analysis studies on yield and yield components in brinjal (Solanum melongena L.) Open
An experiment on correlation and path analysis involving thirty F1 and six parents of brinjal (Solanum melongena L.) was carried during rabi, 2018 at Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbat…
View article: Field evaluation of sulfoxaflor 3.75% + chlorpyriphos 37.5% SE mixtures with other insecticides, fungicides and urea against Scirpophaga incertulas (Walker) in rice
Field evaluation of sulfoxaflor 3.75% + chlorpyriphos 37.5% SE mixtures with other insecticides, fungicides and urea against Scirpophaga incertulas (Walker) in rice Open
A field experiment was carried out to evaluate the sulfoxaflor 3.75 + chlorpyriphos 37.5 SE mixtures with other insecticides, fungicides and urea against S. incertulas against yellow stem borer [Scirpophaga incertulas (Walker)] in rice dur…
View article: Herbivore induced plant volatiles of paddy and their influence in the attraction of mirids Cyrtorhinus lividipennis reuter
Herbivore induced plant volatiles of paddy and their influence in the attraction of mirids Cyrtorhinus lividipennis reuter Open
In the present study, a popular rice variety IR 20 was selected to characterize volatile profile change due to the two major insect pest infestation (Brown plant hopper Nilaparvata lugens and Yellow stem borer Scirpophaga incertulas). Vola…
View article: Occurrence of Bemisia tabaci Asia 1 in Association with BYVMV in Okra
Occurrence of Bemisia tabaci Asia 1 in Association with BYVMV in Okra Open
Bhendi Yellow Vein Mosaic Virus (BYVMV) incidence caused by white fly is the main bottleneck for cultivation of the okra. The present investigation was carried out in three major okra-growing districts of Tamil Nadu viz., Coimbatore, Dharm…
View article: Baseline susceptibility of different population of Whitebacked planthopper, Sogatella furcifera from rice growing areas of Tamil Nadu, India to imidacloprid 17.8% SL
Baseline susceptibility of different population of Whitebacked planthopper, Sogatella furcifera from rice growing areas of Tamil Nadu, India to imidacloprid 17.8% SL Open
Baseline susceptibility of neonicotinoid insecticide viz., imidacloprid 17.8% SL was carried out in rice whitebacked planthopper during 2019-20 at Tamil Nadu Agricultural university, Coimbatore. F3 generation of TNAU susceptible WBPH popul…
View article: Induced Systemic Resistance by Rhizosphere and Phyllosphere Microorganism against Root Rot caused by Sclerotium rolfsii
Induced Systemic Resistance by Rhizosphere and Phyllosphere Microorganism against Root Rot caused by Sclerotium rolfsii Open
View article: Character association and path coefficient analysis of shoot fly resistance and yield components in sorghum (Sorghum bicolor (L.) Moench)
Character association and path coefficient analysis of shoot fly resistance and yield components in sorghum (Sorghum bicolor (L.) Moench) Open
The present study was carried out to analyze and determine the component traits having strong association with shoot fly resistance and true contribution or mutual relationship toward the grain yield in sorghum. Sorghum RILs population, 11…
View article: Baseline toxicity study of sulfoxaflor against rice brown planthopper, Nilaparvata lugens (Stål) populations of Tamil Nadu
Baseline toxicity study of sulfoxaflor against rice brown planthopper, Nilaparvata lugens (Stål) populations of Tamil Nadu Open
Rice brown planthopper (BPH), Nilaparvata lugens (Stal) (Hemiptera: Delphacidae), is a serious pest and inflicts a severe threat to rice cultivation throughout East and Southeast Asia. Susceptibility of BPH against sulfoxaflor 21.8 SC inse…
View article: Biopesticidal effect of plant essential oils on subterranean termites, Odontotermes wallonensis
Biopesticidal effect of plant essential oils on subterranean termites, Odontotermes wallonensis Open
The biopesticidal potential of essential oils derived from Eucalyptus (Eucalyptus globules), Lemongrass (Cymbopogon citratus), Citronella (Cymbopogon nardus), Clove (Syzygium aromaticum), Basil (Occimum basilicum) at 0.1% were evaluated ag…
View article: Scope to Maximise Rice Yellow Stem Borer Moth Catch in Delta Type Pheromone Traps
Scope to Maximise Rice Yellow Stem Borer Moth Catch in Delta Type Pheromone Traps Open
The yellow stem borer (YSB), Scirpophaga incertulas (Walker), is a major pest of rice in Asia and pheromone trapping technology is emerging as a promising eco-friendly IPM tool for more sustainably managing this pest. To identify mo…
View article: Survival ability of Trichoderma spp and Pseudomonas in Different carrier Materials
Survival ability of Trichoderma spp and Pseudomonas in Different carrier Materials Open
The investigation is carried about talc based biocontrol agents for formulation and delivery system for microorganism that enable them for efficient disease control in Soilborne disease. In the present investigation, the carrier materials …
View article: Antifeedant activity and field evaluation of spinetoram 12 SC against termite, Odontotermes obesus on sugarcane
Antifeedant activity and field evaluation of spinetoram 12 SC against termite, Odontotermes obesus on sugarcane Open
In this experiment a new insecticide molecule, spinetoram 12 SC was taken up to evaluate its antifeedant and repellent activity in laboratory and efficacy in the field with different mode of application against termite control.Laboratory e…
View article: Negative cross resistance of Spodoptera litura Fabricius population of tomato to newer molecule spinetoram
Negative cross resistance of Spodoptera litura Fabricius population of tomato to newer molecule spinetoram Open
Field population of Spodoptera litura from tomato ( resistant to the majority of the conventional insecticide molecules) were subjected to the in vivo toxicity of spinetoram 12 SC to assess whether cross resistance exists or not. Untreated…
View article: Screening of antibiotics to alter the <i>Plutella xylostella</i> L (Plutellidae: Lepidoptera) gut microbial diversity
Screening of antibiotics to alter the <i>Plutella xylostella</i> L (Plutellidae: Lepidoptera) gut microbial diversity Open
The diamondback moth, Plutella xylostella L (Plutellidae: Lepidoptera) is the most important pest of cruciferous crops in wide areas of the world. Larvae of P xylostella have rich microbial communities inhabiting in the gut and those bacte…
View article: Ecologically-engineered seeds to enhance coccinellid and suppress aphid population in cabbage ecosystem
Ecologically-engineered seeds to enhance coccinellid and suppress aphid population in cabbage ecosystem Open
View article: Preliminary screening of okra genotypes for leafhopper resistance Amrasca biguttula biguttula (Ishida) (Homoptera: Cicadellidae)
Preliminary screening of okra genotypes for leafhopper resistance Amrasca biguttula biguttula (Ishida) (Homoptera: Cicadellidae) Open
The study was conducted for preliminary screening of 23 okra genotypes for relative susceptibility/resistance against leafhopper, Amrasca biguttula biguttula (Ishida) during 2018. The genotypes were raised in Completely Randomized Design l…
View article: Effect of Methyl Salicylate on Rice Leaffolder Cnaphalocrocis medinalis (Guenee), Parasitoid Xanthopimpla flavolineata (Cameron) and Predator Micraspis sp
Effect of Methyl Salicylate on Rice Leaffolder Cnaphalocrocis medinalis (Guenee), Parasitoid Xanthopimpla flavolineata (Cameron) and Predator Micraspis sp Open
Cues associated with the host-plant complex, volatiles emitted by herbivore damaged plants and/or exogenous applications of elicitors decide on orientation behaviour of pests and beneficial insects. We conducted laboratory studies to know …