P. Kishore Varma
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View article: Safety Evaluation of Field Recommended Insecticides on European Honeybee (Apis mellifera) Under Laboratory Conditions
Safety Evaluation of Field Recommended Insecticides on European Honeybee (Apis mellifera) Under Laboratory Conditions Open
A laboratory experiment was conducted to assess the safety of commonly used insecticides Viz., chlorpyriphos 20 EC, profenofos 50 EC, lambda cyhalothrin 5 EC, thiamethoxam 25 WG, acetamiprid 20 SP, Beauveria bassiana, neem oil and pongamia…
View article: The Role of Phyllosphere Microbiome in Enhancing Plant Resistance to Pathogens and Environmental Stressors
The Role of Phyllosphere Microbiome in Enhancing Plant Resistance to Pathogens and Environmental Stressors Open
The phyllosphere is an aerial environment on the surface of plants, and it harbors a wide variety of dynamic microbiomes, including bacteria, fungi, and other microorganisms. Phyllosphere microorganisms greatly help plants to resist phytop…
View article: Molecular profiling and genetic diversity in sugarcane (Saccharum officinarum L) hybrid cultivars by RAPD markers
Molecular profiling and genetic diversity in sugarcane (Saccharum officinarum L) hybrid cultivars by RAPD markers Open
Genetic diversity is fundamental to crop improvement, especially in genetically complex crops like sugarcane (Saccharum officinarum L.). The objective of this study was to assess the genetic diversity and relationships among 22 elite sugar…
View article: Management of Powdery Mildew of Blackgram through Novel Fungicides and Bioagents
Management of Powdery Mildew of Blackgram through Novel Fungicides and Bioagents Open
Aim: Powdery mildew, caused by obligate biotrophic fungi of the order Erysiphales, is a major yield-limiting disease in blackgram, leading to losses of 20–30%. While cultural and biological methods offer partial control, they are often ins…
View article: Epidemiological Insights into Erysiphe polygoni-Induced Powdery Mildew of Blackgram under In-vitro Conditions
Epidemiological Insights into Erysiphe polygoni-Induced Powdery Mildew of Blackgram under In-vitro Conditions Open
Aim: Powdery mildew, incited by Erysiphe polygoni D.C, is a prominent foliar disease of blackgram (Vigna mungo L.) that adversely impacts all developmental stages, culminating in premature defoliation and yield losses reaching up to 70%. T…
View article: Comparative Bio Assay of New Generation Insecticides against Invasive Southeast Asian Thrips, Thrips parvispinus (Karny) (Thripidae:Thysanoptera)
Comparative Bio Assay of New Generation Insecticides against Invasive Southeast Asian Thrips, Thrips parvispinus (Karny) (Thripidae:Thysanoptera) Open
Aims: Management of invasive southeast Asian thrips, Thrips parvispinus under laboratory conditions. Study Design: Completely Randomized Design. Place and Duration of Study: Regional Agricultural Research Station, Guntur, Andhra Pradesh du…
View article: Pesticide Usage Pattern by Paddy Growers in Palnadu District of Andhra Pradesh
Pesticide Usage Pattern by Paddy Growers in Palnadu District of Andhra Pradesh Open
Background: Over the years, pesticides have been crucial in ensuring food security since novel compounds have been produced in response to changing pest scenarios, environmental concerns and food safety regulations. Methods: The study was …
View article: Isolation and characterization of native antagonistic rhizobacteria against Fusarium wilt of chilli to promote plant growth
Isolation and characterization of native antagonistic rhizobacteria against Fusarium wilt of chilli to promote plant growth Open
In the eastern coastal regions of Odisha, wilt caused by Fusarium oxysporum f. sp. capsici is an extremely damaging disease in chilli. This disease is very difficult to manage with chemical fungicides since it is soil-borne in nature. The …
View article: Monitoring of Pesticide Residues and Risk Assessment for Consumer Safety in Rice Samples from Andhra Pradesh, India
Monitoring of Pesticide Residues and Risk Assessment for Consumer Safety in Rice Samples from Andhra Pradesh, India Open
View article: Unveiling the Biocontrol Potential of Rhizoplane Bacillus Species against Sugarcane Fusarium Wilt through Biochemical and Molecular Analysis
Unveiling the Biocontrol Potential of Rhizoplane Bacillus Species against Sugarcane Fusarium Wilt through Biochemical and Molecular Analysis Open
View article: Pathogenecity of Fusarium spp. Incitant of Sugarcane Pokkah Boeng Disease
Pathogenecity of Fusarium spp. Incitant of Sugarcane Pokkah Boeng Disease Open
Sugarcane is the world’s largest crop in terms of production and top most important cash crop. India placed in 2nd position among top five largest producer countries next to Brazil, which increasing the concern of researchers towards its p…
View article: Identification of resistance to Sugarcane mosaic virus, Sugarcane streak mosaic virus, and Sugarcane bacilliform virus in new elite sugarcane accessions in India
Identification of resistance to Sugarcane mosaic virus, Sugarcane streak mosaic virus, and Sugarcane bacilliform virus in new elite sugarcane accessions in India Open
Sugarcane mosaic and leaf fleck diseases are significant viral diseases affecting sugarcane crops in India. The use of resistant sugarcane varieties is considered the most economical and effective approach to manage viral diseases, especia…
View article: Molecular Characterization and Diagnostics for Effective Management of Phytoplasma and Viral Diseases in Sugarcane
Molecular Characterization and Diagnostics for Effective Management of Phytoplasma and Viral Diseases in Sugarcane Open
Sugarcane is the third largest crop in terms of value next to rice and wheat in India.Vegetative propagation favours carryover of different pathogens through seed canes leads to spread of the diseases in the main field.Increasing virus and…
View article: Detection of Sugarcane bacilliform virus in diseased sugarcane plants in Andhra Pradesh, India by serological and molecular methods
Detection of Sugarcane bacilliform virus in diseased sugarcane plants in Andhra Pradesh, India by serological and molecular methods Open
View article: Pesticide Use Pattern by Paddy Growers in Guntur District of Andhra Pradesh
Pesticide Use Pattern by Paddy Growers in Guntur District of Andhra Pradesh Open
View article: Knowledge, Attitude and Behaviour of Paddy Growers towards Use and Handling of Pesticides in Krishna Western Delta area of Guntur District of Andhra Pradesh, India
Knowledge, Attitude and Behaviour of Paddy Growers towards Use and Handling of Pesticides in Krishna Western Delta area of Guntur District of Andhra Pradesh, India Open
Use of pesticides have become inevitable for crop pest management leading to increased cost of cultivation, pesticides residues in food and also making the farmers vulnerable to risks of pesticide application.Thus, study on paddy farmers' …
View article: SEASONAL INCIDENCE OF MAJOR INSECT PESTS OF RICE IN KRISHNA WESTERN DELTA REGION OF GUNTUR DISTRICT
SEASONAL INCIDENCE OF MAJOR INSECT PESTS OF RICE IN KRISHNA WESTERN DELTA REGION OF GUNTUR DISTRICT Open
The seasonal occurrence of major insect pests of rice in Guntur district of Andhra Pradesh during kharif 2021-22 was studied in Krishna Western Delta area in 90 farmers fields of 10 mandals (Bapatla, Kakumanu, Ponnur, Tsunduru, Amruthaluru…
View article: Impact of Thermotherapy on Regeneration of Single Node Setts of Sugarcane Infected by Sugarcane Yellow Leaf Virus
Impact of Thermotherapy on Regeneration of Single Node Setts of Sugarcane Infected by Sugarcane Yellow Leaf Virus Open
Sugarcane is an important cash crop in India, as well as a key raw material in the production of sugar, jaggery, and bioethanol. Sugarcane yellow leaf disease incited by Sugarcane yellow leaf virus (SCYLV) is emerging as a major threat to …
View article: New record of mungbean yellow mosaic India virus in Desmodium laxiflorum and association of bhendi yellow vein mosaic betasatellite in Abelmoschus moschatus in Andhra Pradesh, India
New record of mungbean yellow mosaic India virus in Desmodium laxiflorum and association of bhendi yellow vein mosaic betasatellite in Abelmoschus moschatus in Andhra Pradesh, India Open
View article: Survey for Yellow Mosaic Disease Occurring on Blackgram [Vigna mungo (L.) Hepper] and Weed Hosts in Four Major Blackgram Growing Districts of Andhra Pradesh and Characterization of Associated Viruses using Coat Protein Gene
Survey for Yellow Mosaic Disease Occurring on Blackgram [Vigna mungo (L.) Hepper] and Weed Hosts in Four Major Blackgram Growing Districts of Andhra Pradesh and Characterization of Associated Viruses using Coat Protein Gene Open
Background: Yellow mosaic disease (YMD) caused by Yellow mosaic virus is one of the major constraints in the pulse production in Andhra Pradesh (A.P.) due to fast evolution of strains, like Mungbean yellow mosaic India virus (MYMIV). Keepi…
View article: Studies on mycosis of Metarhizium (Nomuraea) rileyi on Spodoptera frugiperda infesting maize in Andhra Pradesh, India
Studies on mycosis of Metarhizium (Nomuraea) rileyi on Spodoptera frugiperda infesting maize in Andhra Pradesh, India Open
View article: Field Assessment of Red Rot and Smut Resistance in Sugarcane Germplasm under Artificial Inoculated Conditions
Field Assessment of Red Rot and Smut Resistance in Sugarcane Germplasm under Artificial Inoculated Conditions Open
Sugarcane is an important cash crop grown in tropical and sub-tropical areas in India as a source of raw material for sugar and bio-ethanol production.Diseases are the major constraints in sugarcane production causing severe economic losse…
View article: Survey for Sugarcane Diseases in Major Sugarcane Growing Areas of Andhra Pradesh, India
Survey for Sugarcane Diseases in Major Sugarcane Growing Areas of Andhra Pradesh, India Open
Sugarcane is an important cash crop in India used as a main source of raw material for sugar and bioethanol production. Diseases are major constraints in sugarcane production leading to economic yield losses. A roving survey was conducted …
View article: Resource efficient and cost reduction technology for Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) production
Resource efficient and cost reduction technology for Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) production Open
In India, the egg parasitoid Trichogramma chilonis Ishii is generally mass produced on the eggs of rice moth, Corcyra cephalonica Stainton, however, in the present study, the cost of production of T. chilonis was studied on Samia cynthia r…
View article: Potentiality of Native Pseudomonas spp. in Promoting Sugarcane Seedling Growth and Red Rot (Colletotrichum falcatum went) Management
Potentiality of Native Pseudomonas spp. in Promoting Sugarcane Seedling Growth and Red Rot (Colletotrichum falcatum went) Management Open
Eight native strains of Pseudomonas spp. were isolated from rhizosphere of various sugarcane clones on Pseudomonas agar using standard protocols. These strains were characterized for antagonistic traits on red rot pathogen in vitro and Pla…
View article: Evaluation of Endophytic Bacteria for Plant Growth Promotion and Pathogen Suppression Traits in Saccharum officinarum
Evaluation of Endophytic Bacteria for Plant Growth Promotion and Pathogen Suppression Traits in Saccharum officinarum Open
Endophytes are beneficial microbes that are capable of promoting growth, besides protecting colonized plants against plant pathogens.These microbes are of either bacterial, fungal or actinomycetes in plants.In the study, the endophytic bac…