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Joni Kumar

Publications (4)

The Chemical Ecology of a Generalist Predator: Decoding Volatile Cues in the Foraging Behavior of Chrysoperla carnea

Joni Kumar & Bishwajeet Paul · Asian Journal of Environment & Ecology · 2026

Volatile cues can influence prey location and habitat selection by generalist predators. This study evaluated the electrophysiological and behavioural responses of adult male and female Chrysoperla carnea to selected organic volatile compounds (OVCs). Laboratory-reared adults wer...

Open access Research Article 10.9734/ajee/2026/v25i8999

Electroantennogram and Behavioural Response of Chrysoperla carnea (Stephens) to the Volatile Compounds of Brassica

Joni Kumar & Bishwajeet Paul · Annual Research & Review in Biology · 2026

Thirty volatile compounds were identified in the extracts of Brassica species (Brassica napus, B. nigra, B. rapa, B. juncea and B. carinata). Quantitative and qualitative differences were found among the volatiles extracted from uninfested plant, aphid infested plant and prey. Th...

Open access Research Article 10.9734/arrb/2026/v41i62404

Role of Herbivore-induced Plant Volatiles in Foraging Strategy of Coccinella septempunctata

Joni Kumar & Bishwajeet Paul · Annual Research & Review in Biology · 2025

The study was carried out to investigate the attractiveness of some plant volatiles to adult Coccinella septempunctata beetles using a Y-tube lactometer. The results showed that the majority of the adult beetles preferred stimuli that were made up of methyl salicylate, (-)-trans-...

Open access Research Article 10.9734/arrb/2025/v40i72274

Exploring Genetic Variability, Heritability and Genetic Advance for Yield and Its Component Traits in Indian Mustard (Brassica juncea L. Czern. & Coss.)

S. K. Singh, Joni Kumar, Saundar Lal & Abhishek Singh · Annual Research & Review in Biology · 2026

A field experiment was conducted during the Rabi season of 2024–25 at the research farm of Ch. Chhotu Ram (PG) College, Muzaffarnagar, Uttar Pradesh, under the aegis of the Department of Genetics and Plant Breeding (Agricultural Botany). The primary objectives were to quantify ge...

Open access Research Article 10.9734/arrb/2026/v41i102454