Assessing the impact of ambient ozone on growth and productivity of two cultivars of wheat in India using three rates of application of ethylenediurea (EDU)

被引：68

作者：

Tiwari, S

Agrawal, M

Manning, WJ ^{[1
]}

机构：

[1] Univ Massachusetts, Dept Plant Soil & Insect Sci, Amherst, MA 01003 USA

[2] Banaras Hindu Univ, Dept Bot, Varanasi 221005, Uttar Pradesh, India

来源：

ENVIRONMENTAL POLLUTION | 2005年 / 138卷 / 01期

关键词：

ozone; EDU; wheat; yield; growth;

D O I：

10.1016/j.envpol.2005.02.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Three rates of ethylenediurea were used to assess the impact of ambient ozone on growth and productivity of wheat (Triticum aestivum L) cultivars "Malviya 533" (M 533) and "Malviya 234" (M 234) at a suburban site near Varanasi, India, beginning in December. Wheat plants were treated with EDU at 0, 150, 300 and 450 ppm as soil drenches at 10-day intervals. EDU treatment affected plant growth, with effects varying with cultivar, age, and EDU concentration. Seed yield was improved for M 533 at 150 ppm EDU, while yield improved for M 234 at 300 and 450 ppm EDU. M 533 appears to be more resistant to ozone than M 234. Overall results confirmed that EDU is very useful in assessing the effect of ambient ozone in India. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：153 / 160

页数：8

共 27 条

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