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| Web URL(s): | https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/152357
Last checked: 12/01/2023 |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | DaCosta, Michelle;
Arghavani, Masoud;
Lu, Jefferson |
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| Author Affiliation: | DaCosta: Presenting Author and Stockbridge, University of Massachusetts-Amherst, Amherst, MA; Arghavani: University of Massachusetts, Amherst, MA; Lu: Plant Biology, University of Massachusetts-Amherst, Amherst, MA |
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| Title: | Examining the effects of temperature and nitrogen on seedling vigor of creeping bentgrass |
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| Section: | Turfgrass physiology, molecular biology, breeding, genetic and microbiome poster (includes student competition)
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| Meeting Info.: | St. Louis, Missouri: October 29-November 1, 2023 |
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| Source: | ASA, CSSA, SSSA International Annual Meeting. 2023, p. 152357. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Winter damage of golf turf is a persistent challenge and reseeding is often a necessary and costly investment to promote recovery and to maintain adequate density and uniformity for play. The objectives of the research were to examine differences in seedling vigor of 12 creeping bentgrass (Agrostis stolonifera) cultivars in response to two temperatures (15 and 25°C) and two nitrogen availabilities (0 and 10 ppm). The cultivars (007, Barracuda, Declaration, Independence, L-93, Luminary, Memorial, Penn A-4, Penncross, Piranha, Proclamation and T1) were seeded into Petri dishes with an agar medium that was amended with or without 10 ppm nitrogen. The petri dishes were then placed in growth chambers (15 or 25°C) with a 10-h photoperiod and light intensity of 100 µmol m-2 s-1. The effect of temperature on shoot and root growth was not found to be significant. However, as expected, the higher nitrogen availability significantly enhanced the growth of both shoots and roots. The interaction effect of treatments revealed that certain cultivars, such as T1 and Independence, exhibited better growth at 25°C compared to 15°C. However, this was dependent on the nitrogen level in the medium. At low nitrogen availability, there were no significant differences in seedling growth traits among cultivars. The higher nitrogen content resulted in approximately 60% more roots compared to seedlings at lower nitrogen. In general temperature had a less impact on root characteristics compared to nitrogen availability, however, an increase in total root mass and length were observed at 25°C." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
DaCosta, M., M. Arghavani, and J. Lu. 2023. Examining the effects of temperature and nitrogen on seedling vigor of creeping bentgrass. Agron. Abr. p. 152357. |
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| Web URL(s):
https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/152357
Last checked: 12/01/2023 |
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