Post harvest management of Karnal bunt (Tilletia indica) in wheat by mechanical seed processing

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  • ASHWANI KUMAR ICAR-Directorate of Medicinal and Aromatic Plants Research, Anand, Gujarat 387 310
  • ANUJA GUPTA ICAR-Directorate of Medicinal and Aromatic Plants Research, Anand, Gujarat 387 310


Karnal bunt, Mechanical processing, Quarantine disease, Wheat


Experiment was conducted on Centella asiatica (L.), Urban an important hydrophytic perennial medicinal plant to
study the effect of water regimes on biomass production, secondary metabolites content and production, irrigation water use efficiency (IWUE), water economic efficiency (WEE) and economic returns in upland ecosystem. Maximum leaf area (22.1 cm2/leaf) and number of leaves (11.4/node) were recorded at 1.4 and 0.4 IW/CPE water regime, respectively. However, irrigation at 0.8 IW/CPE ratio produced optimum leaf area and number of leaves per node. Water application at medium regimes at 0.8 IW/CPE ratio produced significantly highest dry herbage yield (1301 kg/ha), triterpenes content (1.7%) and their yield (22.3 kg/ha), and gross return (182.1×103 `/ha), net return (60.3×103 `/ha) and benefits cost ratio (1.5). Significantly higher IWUE (6.9 kg/ha cm) and WEE (295 `/ha cm) were recorded at 0.4 IW/CPE ratio with minimum water use and longer application intervals. Thus, water application at medium regimes (0.8 IW/ CPE ratio) found optimum to produce quality herbal biomass under commercial cultivation in uplands ecosystem.


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How to Cite

KUMAR, A., & GUPTA, A. (2017). Post harvest management of Karnal bunt (Tilletia indica) in wheat by mechanical seed processing. The Indian Journal of Agricultural Sciences, 87(8), 1030–1034.