Full TGIF Record # 39267
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1996.tb01672.x/epdf
    Last checked: 10/13/2015
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Publication Type:
i
Refereed
Author(s):Satorre, E. H.; Rizzo, F. A.; Arias, S. P.
Author Affiliation:Catedra de Cerealicultura, Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Buenos Aires, Avda. San Martin 4453, (1417) Buenos Aires, Argentina
Title:The effect of temperature on sprouting and early establishment of Cynodon dactylon
Source:Weed Research. Vol. 36, No. 5, October 1996, p. 431-440.
Publishing Information:Oxford: Blackwell Scientific Publications
# of Pages:10
Keywords:TIC Keywords: Buds; Emergence; Sprouting; Cynodon dactylon; Weeds; Temperatures; Rhizomes; Stolons
Abstract/Contents:"Bud-sprouting dynamics, sprouting base temperature and reserve mobilization of rhizomes and stolons of Cynodon dactylon (L.) Pers. were characterized in a laboratory experiment under dark conditions. In addition the dynamics of sprout emergence were determined during 2 years under field conditions. In the laboratory experiment, buds from the vegetative structures did not sprout at temperatures below 7°C. The rate of sprouting increased with temperature within the range of 11-33°C, and a base temperature of 7.71°C was determined for bud sprouting of rhizome and stolons of the weed. An exponential model is proposed relating the percentage of sprout emergence in the field to accumulated thermal units, calculated as the sum of the daily mean air temperature above the base temperature of bud sprouting. This model satisfactorily predicted the dynamics of C. dactylon sprout emergence in sunflower (Helianthus annuus L.) crop fields. The efficiency of carbohydrate reserve use during sprout growth was highly dependent on temperature and type of vegetative structure[.] The efficiency was maximum at 20°C and was higher for rhizomes than for stolons. The main factors influencing bud sprouting and early weed establishment are discussed."
Language:English
References:19
Note:Graphs
Figures
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Satorre, E. H., F. A. Rizzo, and S. P. Arias. 1996. The effect of temperature on sprouting and early establishment of Cynodon dactylon. Weed Res. 36(5):p. 431-440.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1996.tb01672.x/epdf
    Last checked: 10/13/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: SB 599 .W4
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