Arid
DOI10.17660/ActaHortic.2017.1151.36
GxExM strategies for melons in water limited environments
Leskovar, D. I.; Sharma, S. P.; Crosby, K. M.; Volder, A.
通讯作者Leskovar, D. I.
会议名称5th International Symposium on Cucurbits
会议日期JUN 22-26, 2015
会议地点Cartagena, SPAIN
英文摘要

Open field irrigated agriculture in arid to semi-arid regions of the world is seriously affected by frequent and severe droughts, limited water resources, and increased regulations restricting ground water use. Integrated strategies for melon (Cucumis melo L.) production can be applied to increase water savings without reducing marketable yields and product quality. These include selecting high-efficiency irrigation systems, allowing plants to experience water stress to a degree that does not impact profit levels, choosing cultivars with drought tolerance, and growing them in adaptable environments. A series of experiments were conducted to investigate the impact of multiple environments with different soil types and climatic conditions, and deficit irrigation strategies (50% crop evapotranspiration, ETc) on melon genotypes. Investigations on deficit irrigation examined leaf gas exchange, root and shoot growth, yield stability, quality and water productivity responses of three melon cultivars, 'Mission' (cantaloupe; reticulatus type), 'Da Vinci' (Tuscan; reticulatus type) and 'Super Nectar' (honeydew; inodorus type). The late maturing cultivar 'Super Nectar' was more sensitive to drought stress possibly due to a decrease in leaf area and photosynthetic rates; while early maturing 'Mission' and 'Da Vinci' escaped severe water deficit, and sustained leaf water status through improved root growth and leaf gas exchange adjustments. Genotype x environment interaction studies for yield stability and component traits were conducted in three distinctive Texas locations. Mission was the most stable and average performing cultivar for marketable yield across all environments. These studies suggest that 'Mission' (cantaloupe; reticulatus type) is widely adapted to varying environment and crop management strategies.


英文关键词Cucumis melo crop evapotranspiration deficit irrigation leaf gas exchange minirhizotron root depth water use efficiency
来源出版物V INTERNATIONAL SYMPOSIUM ON CUCURBITS
ISSN0567-7572
EISSN2406-6168
出版年2017
卷号1151
页码229-235
EISBN978-94-62611-47-4
出版者INT SOC HORTICULTURAL SCIENCE
类型Proceedings Paper
语种英语
国家USA
收录类别CPCI-S
WOS记录号WOS:000426886400036
WOS关键词DEFICIT IRRIGATION ; DROUGHT TOLERANCE ; ROOT-GROWTH ; TRIAL DATA ; YIELD ; MUSKMELON ; QUALITY ; STRESS ; CULTIVARS ; TRAITS
WOS类目Horticulture
WOS研究方向Agriculture
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/306442
作者单位Texas A&M Univ, Texas A&M AgriLife Res, Uvalde, TX 78801 USA
推荐引用方式
GB/T 7714
Leskovar, D. I.,Sharma, S. P.,Crosby, K. M.,et al. GxExM strategies for melons in water limited environments[C]:INT SOC HORTICULTURAL SCIENCE,2017:229-235.
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