Arid
DOI10.3390/horticulturae8121189
Mitigation of Chilling Stress by Ozone Pretreatment and Acclimation of Sweet Pepper Grown under Unheated Greenhouse Conditions
Sharaf-Eldin, Mohamed A.; Etman, Abdelwahab A.; Yassin, Ali Mahmoud; Elsayed, Salah; Scholz, Miklas; Yaseen, Zaher Mundher
通讯作者Scholz, M
来源期刊HORTICULTURAE
EISSN2311-7524
出版年2022
卷号8期号:12
英文摘要Ozone is an important air pollutant that causes many challenges for human health, such as lung diseases. The negative impacts of exogenous ozone on cultivated plants have been discussed in several publications, but the positive impacts are less investigated. The current study is an attempt to answer the following question: is there any positive contribution of ozone pretreatment in growing plants under stress? Plants grown in unheated plastic greenhouses suffer from cold stress during the winter when the temperature drops to 5-10 degrees C. This stress can also be enhanced under saline soil conditions in arid regions. Treatments involving different ozone application methods (seed priming and seedling foliar application) and cold pretreatment (4 degrees C for 36 h) were compared with untreated controls of two sweet pepper hybrids (Zidenka and Lirica) in an unheated plastic greenhouse. In general, the Lirica hybrid outperformed the Zidenka hybrid in growth and fruit yield and showed good adaptation to cold stress resulting from ozone treatment through foliar application on seedlings. Moreover, cold treatment was associated with higher values of the studied parameters compared to the control (untreated). A concentration of 20 ppm of ozone in the first season and as 30 ppm of ozone in the second season increased plant leaf area, proline content, and APX activity, all of which improved the plant's defense mechanisms against cold stress. These benefits contributed to high fruit sets; early, total, and marketable fruit yields; and fruit quality under cold stress. The highest yield (16.52 kg m(-2)) was attained with 30 ppm ozone applied as a seedling spray, compared with 10.07 kg m(-2) in the control. Therefore, the foliar application of ozone up to 30 ppm can be recommended for sweet pepper hybrids of Lirica under unheated plastic greenhouse conditions. Further investigations are needed to study the interaction of combined ozone and cold stress, as well as various levels of soil salinity.
英文关键词proline ascorbate peroxidase membrane permeability yield and quality cold pretreatment
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000902432600001
WOS关键词HYDROGEN-PEROXIDE ; NUTRITIVE QUALITY ; LOW-TEMPERATURE ; DROUGHT STRESS ; WATER ; L. ; COLD ; PROLINE ; ACCUMULATION ; TOLERANCE
WOS类目Horticulture
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/393029
推荐引用方式
GB/T 7714
Sharaf-Eldin, Mohamed A.,Etman, Abdelwahab A.,Yassin, Ali Mahmoud,et al. Mitigation of Chilling Stress by Ozone Pretreatment and Acclimation of Sweet Pepper Grown under Unheated Greenhouse Conditions[J],2022,8(12).
APA Sharaf-Eldin, Mohamed A.,Etman, Abdelwahab A.,Yassin, Ali Mahmoud,Elsayed, Salah,Scholz, Miklas,&Yaseen, Zaher Mundher.(2022).Mitigation of Chilling Stress by Ozone Pretreatment and Acclimation of Sweet Pepper Grown under Unheated Greenhouse Conditions.HORTICULTURAE,8(12).
MLA Sharaf-Eldin, Mohamed A.,et al."Mitigation of Chilling Stress by Ozone Pretreatment and Acclimation of Sweet Pepper Grown under Unheated Greenhouse Conditions".HORTICULTURAE 8.12(2022).
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