Skip to content
P

P. Lavanya Kumari

Publications (15)

A Hybrid NBINGARCH–Machine Learning Framework for Forecasting Rice Leaf Folder (Cnaphalocrocis medinalis) Populations in Andhra Pradesh, India

P. Lavanya Kumari, I. Paramasiva, U. Vineetha, A. Veeraiah, Sk. Shameem, P. N. Harathi, A.D.V.S.L.P Anand Kumar, M. Siva Rama Krishna, N. Sambasiva Rao, P. Udayababu, J. Manjunath, N. Kamakshi & V. Visalakshmi · Journal of Advances in Biology & Biotechnology · 2026

Rice (Oryza sativa) is a staple food crop that supports global food security, but its production is threatened by the rice leaf folder (Cnaphalocrocis medinalis), a major pest associated with yield losses. Accurate forecasting of leaf folder (LF) populations is important for time...

Open access Research Article 10.9734/jabb/2026/v29i74151

Modeling and Predicting Rice Gall Midge Populations Using Climate Data and Machine Learning Techniques in Andhra Pradesh

P. Lavanya Kumari, I. Paramasiva, U. Vineetha, A. Veeraiah, Sk. Shameem, P.N. Harathi, A.D.V.S.L.P Anand Kumar, M. Siva Rama Krishna, N. Sambasiva Rao, P. Udayababu, J. Manjunath, N. Kamakshi & V. Visalakshmi · International Journal of Environment and Climate Change · 2025

The Asian rice Gall midge (Orseolia oryzae (Wood-Mason) is a major insect pest affecting rice cultivation in South and Southeast Asia, leading to significant yield losses. Developing a reliable system for the timely prediction of this insect is crucial for effective pest manageme...

Open access Research Article 10.9734/ijecc/2025/v15i105076

Climate-Driven Forecasting of Brown Planthopper in Rice Fields Using Hybrid Machine Learning and Time Series Models

P. Lavanya Kumari, I. Paramasiva, U. Vineetha, A. Veeraiah, Sk. Shameem, P.N. Harathi, A.D.V.S.L.P Anand Kumar, M. Siva Rama Krishna, N. Sambasiva Rao, P. Udayababu, J. Manjunath, N. Kamakshi, V. Visalakshmi & P. Siva · International Journal of Environment and Climate Change · 2025

Brown Planthopper (BPH) (Nilaparvata lugens) is a major pest impacting rice production in India, often causing severe yield losses across diverse agro-climatic zones. This study evaluates the predictive capabilities of several statistical and machine learning models using weekly...

Open access Research Article 10.9734/ijecc/2025/v15i64905

A Phenology-Informed Fuzzy Neural Network Model for Accurate Forecasting of Yellow Stem Borer (Scirpophaga incertulas) Population Dynamics in Rice (Oryza sativa L.) in the North Coastal Zone of Andhra Pradesh, India

Annepu Jhansi, P. Lavanya Kumari, P. Uday Babu & G. Ramesh · Journal of Experimental Agriculture International · 2026

Rice (Oryza sativa L.) is a major staple crop supporting food security in India, but productivity is constrained by insect pests, including the yellow stem borer (Scirpophaga incertulas). Accurate forecasting of pest population dynamics is important for effective pest management....

Open access Research Article 10.9734/jeai/2026/v48i74336

Unraveling Pest-Weather Dynamics: A Stepwise Regression Approach on Major Pests in Rice

Annepu Jhansi, B.V.R.Ch. Ravi Kumar, Shaik Shameem & P. Lavanya Kumari · Journal of Scientific Research and Reports · 2026

Rice (Oryza sativa L.) is a major staple crop of the Godavari delta region of Andhra Pradesh, where its productivity is severely constrained by key insect pests, namely Yellow Stem Borer (YSB), Brown Planthopper (BPH), Gall Midge, and Leaf Folder (LF). Understanding long-term pes...

Open access Research Article 10.9734/jsrr/2026/v32i13898

Influence of Liquid Biofertilizers on Growth and Yield of Sesame (Sesamum indicum L.)

Guda Tejaswini, Karanam Navya Jyothi, B. Sandhya Rani, P. Lavanya Kumari & V. Chandrika · International Journal of Plant & Soil Science · 2024

A field experiment was conducted at S.V. Agricultural College Farm, Tirupati during summer, 2024 to study the influence of liquid bio fertilizers and different levels of fertilizers on growth and yield of sesame. Results revealed that the application of 100% RDF + seed treatment...

Open access Research Article 10.9734/ijpss/2024/v36i105104

A Comparative Study of Fertilizer Prices Purchased by Farmers from Rythu Bharosa Kendras (RBKs) and Other Agencies in Andhra Pradesh

B. Maheswar Reddy, K. Gurava Reddy, K.S. Purnima & P. Lavanya Kumari · Asian Journal of Agricultural Extension, Economics & Sociology · 2024

Rythu Bharosa Kendras - a one stop solutions for all agriculture & allied issues, was launched by state government of Andhra Pradesh in 2020. It addresses various issues and provide services to the farmers at the village level. Fertilizers are one among the services offered a...

Open access Research Article 10.9734/ajaees/2024/v42i62472

Studies on Marketing of Flower Cultivation under Polyhouses in Chittor District of Andhra Pradesh, India

S. Kavitha, S. Hyma Jyothi, S. Rajeshwari & P. Lavanya Kumari · International Journal of Environment and Climate Change · 2022

Flower industry is an emerging as a blooming business not only in India, but in other countries as well. Floriculture denotes cultivation of flowers, developing new varieties of commercial value, sale of flowers as raw commodities, processing, distribution, etc. for the local and...

Open access Research Article 10.9734/ijecc/2022/v12i121439

Consumption Pattern and Elasticities of Demand of Major Food Items among Farm Households in Andhra Pradesh

V. Ragamalika, Y. Radha, I. Bhavani Devi, P. Lavanya Kumari & P. L. R. J. Praveena · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

We examined food consumption pattern of farm households in Andhra Pradesh. Income and price elasticities were also estimated for major food items using AIDS model. The Primary data were collected from 240 farm households spread over in different regions of Andhra Pradesh. The res...

Open access Research Article 10.9734/ajaees/2022/v40i1031114

Physico-Chemical Properties of Four Selected Groundnut Varieties

M. Sravani, Sreenivasula Reddy Boreddy, M. Madhava & P. Lavanya Kumari · Current Journal of Applied Science and Technology · 2020

The physico-chemical properties of four popular groundnut (peanut) varieties namely Trombay-Akola Groundnut-24 (TAG-24), Kadiri-6 (K6), Kadiri-9 (K9), and Kadiri-Harithandra (KH) were determined by following the standard measurement methods. The average geometrical mean diameter...

Open access Research Article 10.9734/cjast/2020/v39i3431034

Evaluation of Cost-effective Substrates for Mass Production of Metarhizium rileyi and Its Bioefficacy against Spodoptera litura (F.) (Lepidoptera: Noctuidae)

Thamidela Meera Devi, P. Duraimurugan, K. Manjula, K. S. V. P Chandrika & P. Lavanya Kumari · Journal of Advances in Biology & Biotechnology · 2025

Spodoptera litura (F.), a polyphagous pest affecting over 100 plant species, poses a serious threat to agricultural productivity, particularly in crops such as groundnut, soybean, cotton and pulses. Increasing concerns over pesticide resistance and environmental hazards have driv...

Open access Research Article 10.9734/jabb/2025/v28i72521

Two Prominent Entomopathogenic Fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metchnikoff) Sorokin as Natural Enemies of Lepidopteran Larvae from Rayalaseema Region of Andhra Pradesh

S. Abdul Mujeeb, K. Manjula, P. N. Harathi, A. Kandan & P. Lavanya Kumari · International Journal of Environment and Climate Change · 2024

Roving survey was conducted for searching the natural occurrence of Beauveria bassiana and Metarhizium anisopliae during kharif season of 2022 and rabi season of 2022-23 in Kurnool, Kadapa, Chittoor and Anantapuramu districts of Andhra pradesh. The crops surveyed were Groundnut,...

Open access Research Article 10.9734/ijecc/2024/v14i64214

Status of Micronutrients in Rice Growing Alluvial Soils of Delta Area of Krishna District, Andhra Pradesh, India

K Hema, M.V.S. Naidu, B.P. Bhaskar, K.V. Naga Madhuri, V. Ramamurthy & P. Lavanya Kumari · International Journal of Plant & Soil Science · 2024

An investigation was carried out to study the micronutrient status of rice-growing soils of the delta area of Krishna district in Andhra Pradesh to know the potential of these soils to supply micronutrients to rice crops. For this, six profiles viz., Vemulamada (P1), Kothapalli (...

Open access Research Article 10.9734/ijpss/2024/v36i125251

Development and Standardisation of Scale to Measure Attitude of the Farmers towards Natural Farming: A Sustainable Environmental Approach

Mupparapu Deepika, P.V.Sathya Gopal, K. Gurava Reddy, V. Sailaja, G. Krishna Reddy & P. Lavanya Kumari · International Journal of Environment and Climate Change · 2024

Attitude is defined as the degree of favourable or unfavourable feeling of the farmers towards natural farming. Natural farming, a sustainable agricultural practice that eschews synthetic inputs, has garnered significant interest globally for its potential to enhance soil health,...

Open access Research Article 10.9734/ijecc/2024/v14i54196

Study of Soil Nutrient Status of Doddavaram Microwatershed in Koyyuru Mandal of Visakhapatnam District, Andhra Pradesh, India

Y. Sandhya Rani, K. V. Naga Madhuri, M. V. S. Naidu, P. Gurumurthy, V. Ramamurthy & P. Lavanya Kumari · International Journal of Plant & Soil Science · 2024

Aims: To asses the fertility status of the soils of Doddavaram microwatershed of Koyyuru mandal of Visakhapatnam district, Andhra Pradesh in which twenty soil profiles were studied for soil physico-chemical properties (pH, EC, OC) and soil nutrient status (N, P2O5, K2O, Zn, Cu, F...

Open access Research Article 10.9734/ijpss/2024/v36i24373