Arid
DOI10.2135/cropsci1994.0011183X003400010039x
CONSUMPTIVE WATER-USE OF 3 INTENSIVELY MANAGED BERMUDAGRASSES GROWING UNDER ARID CONDITIONS
GARROT, DJ; MANCINO, CF
来源期刊CROP SCIENCE
ISSN0011-183X
出版年1994
卷号34期号:1页码:215-221
英文摘要

In order for turfgrass managers to meet government mandated irrigation water requirements, conserve limited water resources, and still provide aesthetically appealing and functional turf, field measured consumptive water use requirements of intensively managed bermudagrass (Cynodon sp.) turfs growing in arid regions must be determined. Because bermudagrasses produce deep and extensive root systems, the incorporation of a more infrequent irrigation regimen might result in an acceptable turf while significantly reducing water use. To field test this hypothesis, we measured the consumptive water use, water use by soil depth, and the turf quality of C. dactylon (L.) Pers. x C. transvaalensis Davy cv. ’Tifgreen’ and ’Midiron’ and C. dactylon cv. ’TexTurf-10’ bermudagrasses growing on a Gila loam (coarse-loamy, mixed (calcareous), thermic Typic Torrifluvent) maintained with a deep and infrequent irrigation regime under fairway conditions. Irrigations were applied only when turf showed symptoms of wilt. Total annual consumptive water use values were approximate to 60% of reference crop evapotranspiration (ET(o)), but daily values typically ranged from 70 to 90% of ET(o) following irrigation or rain to <10% when turf began to wilt. Wetter soil conditions promoted water use from the shallower depths. Turf extracted water from the soil to pressures equivalent to < -1.5 MPa. Overall turf quality, stand density, color, and percent groundcover were considered better than acceptable. Our data shows that bermudagrass growing in an arid environment can be maintained under fairway conditions without a loss in overall turfgrass quality, stand density, color, and groundcover with 834 to 930 mm H2O annually, depending upon variety and ET(o).


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:A1994MV45600039
WOS关键词TURFGRASS EVAPOTRANSPIRATION ; DEFICIT IRRIGATION ; RESPONSES ; TURF
WOS类目Agronomy
WOS研究方向Agriculture
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/129892
作者单位(1)UNIV ARIZONA,DEPT PLANT SCI,TUCSON,AZ 85721
推荐引用方式
GB/T 7714
GARROT, DJ,MANCINO, CF. CONSUMPTIVE WATER-USE OF 3 INTENSIVELY MANAGED BERMUDAGRASSES GROWING UNDER ARID CONDITIONS[J]. University of Arizona,1994,34(1):215-221.
APA GARROT, DJ,&MANCINO, CF.(1994).CONSUMPTIVE WATER-USE OF 3 INTENSIVELY MANAGED BERMUDAGRASSES GROWING UNDER ARID CONDITIONS.CROP SCIENCE,34(1),215-221.
MLA GARROT, DJ,et al."CONSUMPTIVE WATER-USE OF 3 INTENSIVELY MANAGED BERMUDAGRASSES GROWING UNDER ARID CONDITIONS".CROP SCIENCE 34.1(1994):215-221.
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