Wheat Cultivar Growth, Biochemical, Physiological and Yield Attributes Response to Combined Exposure to Tropospheric Ozone, Particulate Matter Deposition and Ascorbic Acid Application

被引：2
作者：
Mina, Usha [1 ,2 ]
Kandpal, Anjali [2 ]
Bhatia, Arti [2 ]
Ghude, Sachin [3 ]
Bisht, D. S. [4 ]
Kumar, Pramod [1 ,5 ]
机构：
[1] Jawaharlal Nehru Univ, Sch Environm Sci, New Delhi, India
[2] ICAR Indian Agr Res Inst, Ctr Environm Sci & Climate Resilient Agr, New Delhi, India
[3] Indian Inst Trop Meteorol, Pune, Maharashtra, India
[4] Indian Inst Trop Meteorol, Delhi Branch, New Delhi, India
[5] Univ Delhi, Sri Aurobindo Coll, New Delhi, India
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2021年 / 107卷 / 05期
关键词：
Wheat; HD; 2967; Ozone; Particulate matter deposition; Ascorbic acid; Yield; TRITICUM-AESTIVUM L; ELEVATED OZONE; AIR-POLLUTION; WINTER-WHEAT; AMBIENT AIR; LEAF; IMPACT; VEGETATION; TOLERANCE; PHOTOSYNTHESIS;
D O I：
10.1007/s00128-021-03373-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In the present study wheat (Triticum aestivum) cultivar HD 2967 was exposed to ambient and elevated levels of O-3 and PM deposition, with and without exogenous application of ascorbic acid (AA). Cultivar HD 2967 exposed to eight treatments in free air O-3 enrichment facility and the assessed results showed that wheat cultivar, growth, biochemical, physiological and yield attributes were variably but adversely affected by combined exposure to O-3 and PM deposition. PM deposition clogged stomata and enhanced leaf temperature. However, plants exposed to O-3 and PM deposition and treated with AA exhibited less reduction in yield as compared to plants exposed to O-3 and PM deposition without AA treatment. The decline in grain yield of HD 2967 due to combined exposure of O-3 and PM deposition were in the range of 4%-17%. AA spray partially mitigated ozone and PM deposition adverse impact and enhanced wheat yield by 16%.
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收藏
页码：938 / 945
页数：8
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