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Y. Hari

Publications (23)

Molecular and Phenotypic Confirmation of Advanced Breeding Lines for Gall Midge Resistance in Rice (Oryza sativa L.)

A. Sravani, Y. Hari, V. Venkanna & R. Shravan Kumar · Journal of Advances in Biology & Biotechnology · 2026

The Asian Rice Gall Midge is one of the most important pests of rice, causing substantial yield losses in major rice-growing regions. WGL-962 (Warangal Vari-2) is a high-yielding, short-duration rice variety with medium slender grains; however, it is susceptible to gall midge inf...

Open access Research Article 10.9734/jabb/2026/v29i64021

Unravelling Genetic Divergence and Trait Dynamics in Rice (Oryza sativa L.) Genotypes through Multivariate Analysis

B. Satish Chandra, Y. Hari, G. Neelima, R. Shravan Kumar, Ch. Damodar Raju & R. Uma Reddy · Journal of Experimental Agriculture International · 2026

Rice is a vital staple crop, especially in Asia and India, but its sustainable production is threatened by population growth, limited resources, and climate change. Genetic diversity and divergence analysis are essential in rice breeding, as they enable the development of high-yi...

Open access Research Article 10.9734/jeai/2026/v48i44188

Molecular Confirmation for Gall Midge (Biotype 3) Resistance in Phenotypically Resistant Rice Genotypes Using Functional Markers

Anil Kumar, Y. Hari, J. Suresh, B. Srinivas, S. Omprakash, C. Narendra Reddy, Saikat Pal, R. Shravan Kumar & B. Edukondalu · Journal of Advances in Biology & Biotechnology · 2024

This study performed molecular screening of rice genotypes, which showed no gall infestation in field conditions at the Regional Agricultural Research Station (RARS), Jagtial, during rabi, 2021-22. using functional markers such as “gm3del3” for the gm3 gene, “LRR del” for the Gm4...

Open access Research Article 10.9734/jabb/2024/v27i111620

Monitoring of Virulence of Gall Midge (Orseolia oryzae Wood-mason) Population on Rice

R. Shravan Kumar, Y. Hari, U. Nagabhushanam, V. Venkanna, B. Madavi, Ch. Anusha, D. Aswini, K. Rajendra Prasad, B. Satish Chandra, G. Neelima & R. Uma Reddy · Journal of Advances in Biology & Biotechnology · 2024

A study was conducted for two years during 2022 and 2023 at Regional Agricultural Research Station, Warangal, Telangana, India to know the virulence of gall midge on rice varieties with known gall midge resistant genes at Warangal. During both the years i.e., 2022 and 2023, the v...

Open access Research Article 10.9734/jabb/2024/v27i91418

Phenotypic Screening of Rice Cultures for Resistance against Brown Plant Hopper (Nilaparvata lugens Stal) at Warangal, India

R. Shravan Kumar, Y. Hari, K. Rajendra Prasad, B. Satish Chandra, U. Nagabhushanam, B. Madavi, G. Neelima, D. Ashwini, V. Venkanna & R. Uma Reddy · Journal of Advances in Biology & Biotechnology · 2024

Brown planthopper (BPH), Nilaparvatalugens Stal (Homoptera: Delphacidae), is one of the most destructive insect pests causing significant yield losses in rice production. During Kharif, 2021, a set of 91 rice cultures were screened against brown plant hopper (BPH) through standar...

Open access Research Article 10.9734/jabb/2024/v27i91279

Genetic Validation of Promising Warangal Rice Cultures for Gall Midge Resistance Using Functional Markers

Ch. Jahnavi, R. Shravan Kumar, Y. Hari, Ch. Anusha & K. Anusha · Journal of Scientific Research and Reports · 2024

The experiment was conducted during Rabi 2023-24 at Regional Agricultural Research Station, Warangal. The Asian gall midge Orseolia oryzae is one of the major pests of rice which is causing significant economic loss to the crop. Thirty nine rice cultures along with resistant chec...

Open access Research Article 10.9734/jsrr/2024/v30i92327

Genetic Variability Studies for Yield and Yield Attributing Traits in Rice (Oryza sativa L.) Genotypes

K. Anusha, B. Srinivas, Y. Hari, V. Gouri Shankar, S. Omprakash & R. Shravan Kumar · Journal of Experimental Agriculture International · 2024

Forty five rice genotypes were evaluated in a Randomized Block Design (RBD) at Regional Agricultural Research station, Polasa, during kharif 2023 to determine the genetic variability, heritability and genetic advance for  ten traits. Analysis of variance showed significant variat...

Open access Research Article 10.9734/jeai/2024/v46i82753

Genetic Divergence and Variability Studies for Yield and Quality Traits in Elite Rice (Oryza sativa L.) Genotypes

K. Rukmini Devi, B. Satish Chandra, Y. Hari, K. Rajendra Prasad, N. Lingaiah & P. Jagan Mohan Rao · Current Journal of Applied Science and Technology · 2020

Genetic divergence and variability was assessed among 33 elite germplasm lines which were evaluated in RBD at Regional Agricultural Research Station, Warangal with an objective to classify  and understand the nature and magnitude of genetic diversity and variability  with regard...

Open access Research Article 10.9734/cjast/2020/v39i1830769

Exploitation of Heterosis for Yield, Yield Components and Quality Traits in Rice (Oryza sativa L.) Using Line × Tester Mating Design

T. Saketh, V. Gouri Shankar, B. Srinivas & Y. Hari · Journal of Advances in Biology & Biotechnology · 2026

Increasing grain yield remains a primary objective in rice breeding to ensure global food security. Heterosis, which exploits the superiority of F₁ hybrids over their parents, is among the most effective genetic tools for achieving yield gains. The present study was conducted at...

Open access Research Article 10.9734/jabb/2026/v29i104410

Identification of Elite Rice (Oryza sativa L.) Lines with Durable Bacterial Blight Resistance through Phenotypic and Molecular Approaches

A. Mahveen, A. Srijan, G. Seshu & Y. Hari · Journal of Advances in Biology & Biotechnology · 2026

Bacterial leaf blight, caused by Xanthomonas oryzae pv. oryzae, is an important disease of rice that can substantially reduce crop performance under favourable disease conditions. The present study was conducted to identify elite rice lines resistant to bacterial leaf blight usin...

Open access Research Article 10.9734/jabb/2026/v29i74086

Phenotypic and Molecular Identification of Stable Rice (Oryza sativa L.) Lines Resistant to Blast (Magnaporthe oryzae)

Balla Meghana, T. Srikanth, P. Madhukar & Y. Hari · Journal of Advances in Biology & Biotechnology · 2026

Rice blast, caused by Magnaporthe oryzae, is a major constraint to rice production and requires the identification of resistant breeding material through reliable screening approaches. The present study evaluated stable rice breeding lines for leaf blast resistance by integrating...

Open access Research Article 10.9734/jabb/2026/v29i74058

Phenotypic Screening of Promising Rice Cultures for Resistance against Brown Plant Hopper (Nilaparvata lugens Stal) under Field and Glass House Conditions

P. Maina, R. Shravan Kumar, Ch. Anusha & Y. Hari · Journal of Advances in Biology & Biotechnology · 2025

Aim: The aim of this study was to find out the resistant rice cultures through screening against BPH under field and glass house conditions. Study Design: Field screening was carried out in RBD design with two replications whereas glass house screening was done by following Stand...

Open access Research Article 10.9734/jabb/2025/v28i82814

Correlation, Heritability and Genetic Advance Studies for Yield and Quality Traits in Rice (Oryza sativa L.)

M. Teja Sri, B. Srinivas, P. Madhukar & Y. Hari · Journal of Advances in Biology & Biotechnology · 2025

This study was conducted with 43 genotypes to study the variability and correlation for fourteen traits at Regional Agricultural Research Station, PJTAU, Polasa, Jagtial, Telangana during the Kharif, 2024. Significant genetic variability was recorded for all the traits studied. G...

Open access Research Article 10.9734/jabb/2025/v28i82698

Correlation and Path Coefficient Analysis for Grain Yield, Head Rice Recovery and Quality Traits in Rice Hybrids (Oryza sativa L.)

M. Maneesha, V. Gouri Shankar, B. Srinivas & Y. Hari · International Journal of Plant & Soil Science · 2024

The study's main objectives were to analyze rice path coefficients and look at the associations between different features. 24 hybrids were created by crossing four CMS lines with six elite restorers utilizing a Line × Tester design. During the Rabi 2023–2024, these hybrids, the...

Open access Research Article 10.9734/ijpss/2024/v36i84911

Correlation and Path Coefficient Studies for Grain Yield and Yield Components in Rice (Oryza sativa L.)

T. Saketh, V. Gouri Shankar, B. Srinivas & Y. Hari · International Journal of Plant & Soil Science · 2023

The current research was conducted with an objective to study the correlation between different traits and path coefficient analysis in rice. Four CMS lines were crossed with eight elite restorers in a Line × Tester design and the resultant 32 hybrids were evaluated along with th...

Open access Research Article 10.9734/ijpss/2023/v35i193700

Identification of Good Restorer Lines through Molecular Confirmation of Rf3 and Rf4 Genes in Rice Hybrids

T. Akshay Kumar, T. Srikanth, P. Madhukar & Y. Hari · International Journal of Plant & Soil Science · 2023

Pollen fertility can be restored by nuclear-encoded genes known as fertility restorer (Rf) genes. The initial stage in creating high-yielding heterotic hybrids involves the identification of restorers capable of effectively restoring the fertility of CMS lines. Hybrid rice breedi...

Open access Research Article 10.9734/ijpss/2023/v35i183531

Study of Combining Ability in Association with Heterosis in Rice (Oryza sativa L.)

G. Kushal, J. Suresh, S. Sreedhar & Y. Hari · International Journal of Environment and Climate Change · 2023

In the current investigation, eight lines KNM 12444, KNM 12469, KNM 12472, KNM 13449, KNM 13555, KNM 13568, KNM 14913 and KNM 14985 were crossed with four testers namely Aganni, IBT MRR 24, INRC 3021 and WGL 1119 in Line by Tester mating design during rabi season of 2021-22. The...

Open access Research Article 10.9734/ijecc/2023/v13i92566

Evaluation of Phenotypic Stability for Grain Yield in Rice (Oryza sativa L.) Genotypes Using AMMI and GGE Biplot Models

B. Satish Chandra, K. Rukmini Devi, N. Lingaiah, Y. Hari & K. Rajendra Prasad · International Journal of Environment and Climate Change · 2022

The experimens were carried out under four seasons with 9 rice genotypes at Regional Agricultural Research Station, Warangal, Telangana State, India during kharif season (July to November) 2019 (E1), rabi season (December to April) 2019-20 (E2), kharif season (July to November) 2...

Open access Research Article 10.9734/ijecc/2022/v12i111362

Genetic Variability, Heritability, and Genetic Advance for Yield and Milling Quality Traits in Rice (Oryza sativa L.) Germplasm

Muneeb Ahmed Naushad, K. Rajendra Prasad, B. Srinivas, V. Ratnakar & Y. Hari · International Journal of Plant & Soil Science · 2026

Genetic variability is the foundation of effective selection in crop improvement. Fifty rice germplasm lines were evaluated during the kharif season of 2025 at the Regional Agricultural Research Station, Polasa, Jagtial, Telangana, India, using a randomised block design with two...

Open access Research Article 10.9734/ijpss/2026/v38i86221

Biochemical Defense Responses in Advanced Backcross-derived Rice Genotypes to Nilaparvata lugens (Stal) Infestation

R. Prathima Kumari, Ch. Anusha, R. Shravan Kumar, K. Rajendra Prasad, Y. Hari, M. A. Prajwal Gowda & D. Akhilandeshwari · Journal of Advances in Biology & Biotechnology · 2024

BPH, Nilaparvata lugens (Delphacidae: Homoptera) infestation on most of the resistant and moderately resistant backcross derived rice genotypes and resistant checks (PTB 33 and BM 71) resulted in an increase in the phenolic content in the infested plants leaf sheath. The percenta...

Open access Research Article 10.9734/jabb/2024/v27i81156

Molecular Diversity Analysis in Tomato (Solanum lycopersicum L.) Using SSR Markers

B. Anuradha, P. Saidaiah, K. Ravinder Reddy, S. Harikishan, A. Geetha & Y. Hari · Journal of Advances in Biology & Biotechnology · 2025

The current experiment was conducted at the PG Research Block, College of Horticulture, Rajendranagar, Hyderabad, during Kharif 2017- 2018 to determine the genetic diversity of 40 tomato genotypes at the molecular level using SSR primers. Genomic DNA from each genotype was extrac...

Open access Research Article 10.9734/jabb/2025/v28i52332

AMMI Biplot Analysis for Genotype X Environment Interaction and Stability for Yield in Hybrid Rice (Oryza sativa L.) Under Different Production Seasons

K. Rukmini Devi, V. Venkanna, N. Lingaiah, K. Rajendra Prasad, B. Satish Chandra, Y. Hari & P. Jagan Mohan Rao · Current Journal of Applied Science and Technology · 2020

The aim of the study was to determine the genotype x environment interaction and stability performance of fifteen rice hybrids in three different production seasons during 2016, 2017 at Regional Agricultural Research Station, Warangal, Telangana.  Data was subjected to the additi...

Open access Research Article 10.9734/cjast/2020/v39i4831214

Validation of Markers Linked to Yield under Drought, Blast Resistance and Assessment of Polymorphism among the Donors for Use in Marker Assisted Selection in Rice

B. Vishalakshi, B. Umakanth, G. Usha, P. Senguttuvel, M. S. Prasad, Y. Hari, P. Sudhakar, A. Krishna Satya & M. S. Madhav · Current Journal of Applied Science and Technology · 2020

Rice is one of the most widely cultivated crop species in the world. Drought, a major constraint in upland rice (Oryza sativa L.) led to the unstable yields. The inconsistent yields often aggravated by the severe incidence of blast disease in many areas of rainfed ecosystem. To i...

Open access Research Article 10.9734/cjast/2020/v39i2330866