NDLI: Screening three cultivars of Vigna mungo L. against ozone by application of ethylenediurea (EDU).

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Singh, Shalini Agrawal, S. B. Singh, Poonam Agrawal, M.
Spatial Coverage	India
Description	Country affiliation: India Author Affiliation: Singh S ( Lab of Air Pollution and Global Climate Change, Ecology Research Circle, Department of Botany, Banaras Hindu University, Varanasi-221005, India.)
Abstract	Three Indian black gram cultivars (Vigna mungo L. cv. Barkha, Shekhar and TU-94-2) were grown at a tropical suburban site in Varanasi, India to evaluate the varietal differences in response to ambient O(3) under field conditions using ethylenediurea (EDU). EDU (400 ppm) was given as soil drench at 10-day intervals during the growth period of the cultivars. O(3) monitoring data clearly showed high concentrations with a mean value ranging between 41.3 and 59.9 ppb. EDU treatment caused significant increases in various growth parameters and total biomass accumulation in Barkha and Shekhar. EDU caused retention of more biomass in leaves during vegetative period and translocated more photosynthates towards reproductive parts, which resulted into yield enhancement. Weight of seeds plant(-1) was higher by 36.4% and 35.6% in Barkha and Shekhar, respectively, treated with EDU compared to non-EDU-treated plants. However, TU-94-2 did not exhibit any significant difference in weight of seeds plant(-1). Starch, total sugar, amino acids and K contents increased in seeds of EDU-treated plants leading to improvement in quality response index (QRI) of seeds. EDU helped in identifying the cultivar susceptibility to O(3) stress and therefore is very useful as a monitoring tool to assess the impact of ambient O(3) on plants under natural field conditions particularly in areas experiencing moderate concentrations of O(3).
File Format	HTM / HTML
ISSN	01476513
Issue Number	7
Volume Number	73
e-ISSN	10902414
Journal	Ecotoxicology and Environmental Safety
Language	English
Publisher	Elsevier
Publisher Date	2010-10-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Sciences Air Pollutants Toxicity Fabaceae Growth & Development Ozone Phenylurea Compounds Pharmacology Plant Leaves Drug Effects Seeds Amino Acids Analysis Analysis Of Variance Biomass India Chemistry Potassium Starch Tropical Climate Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health

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