Arid
DOI10.2307/4002405
TEMPERATURE PROFILES FOR GERMINATION OF BIG SAGEBRUSH SEEDS FROM NATIVE STANDS
YOUNG, JA; PALMQUIST, DE; EVANS, RA
通讯作者YOUNG, JA
来源期刊JOURNAL OF RANGE MANAGEMENT
ISSN0022-409X
出版年1991
卷号44期号:4页码:385-390
英文摘要

The germination of seeds of big sagebrush (Artemisia tridentata, Nutt.) from 5 locations on the margin of the Carson Desert, Nevada, was studied over 5 growing seasons. Temperature profiles for germination were developed for seeds collected from each location. The profile consisted of 55 constant or alternating temperatures from 0 through 40-degrees-C. Seed quality was high with optimum germination, defined as germination not different from the maximum observed at the 0.01 level of probability, averaging 80% for all years and all locations. Differences in germination parameters existed among locations, but not within locations among years of production. Differences among years of production were most pronounced at extreme incubation temperatures. The most frequent temperature regime supporting optimum germination of big sagebrush seeds was 15/20-degrees-C (15-degrees-C for 16 hours and 20-degrees-C for 8 hours in each 24-hour cycle).


英文关键词RANGE ECOLOGY SEEDBED TEMPERATURE MICROENVIRONMENTS TEMPERATE DESERTS
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:A1991FY10300019
WOS类目Agriculture, Dairy & Animal Science ; Ecology
WOS研究方向Agriculture ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/126776
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GB/T 7714
YOUNG, JA,PALMQUIST, DE,EVANS, RA. TEMPERATURE PROFILES FOR GERMINATION OF BIG SAGEBRUSH SEEDS FROM NATIVE STANDS[J],1991,44(4):385-390.
APA YOUNG, JA,PALMQUIST, DE,&EVANS, RA.(1991).TEMPERATURE PROFILES FOR GERMINATION OF BIG SAGEBRUSH SEEDS FROM NATIVE STANDS.JOURNAL OF RANGE MANAGEMENT,44(4),385-390.
MLA YOUNG, JA,et al."TEMPERATURE PROFILES FOR GERMINATION OF BIG SAGEBRUSH SEEDS FROM NATIVE STANDS".JOURNAL OF RANGE MANAGEMENT 44.4(1991):385-390.
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