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| Full TGIF Record # 61153 Item 1 of 1 |
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| Publication Type: | Refereed |
| Author(s): | Richardson, T. B.; Mancino, C. F. |
| Author Affiliation: | Mancino: Department of Agrononmy, The Pennsylvania State University, University Park, PA 16802, USA. |
| Title: | Nitrogen uptake efficiency of twenty two Buchloë dactyloides (Nutt.) Engelm. genotypes |
| Section: | Physiology and ecology: Contributed papers Other records with the "Physiology and ecology: Contributed papers" Section |
| Meeting Info.: | Sydney, Australia: 1997 |
| Source: | International Turfgrass Society Research Journal. Vol. 8, No. Part 2, 1997, p. 1322-1328. |
| Publishing Information: | Blacksburg, VA: International Turfgrass Society |
| # of Pages: | 7 |
| Keywords: | TIC Keywords: Nitrogen uptake; Nitrogen efficiency; Bouteloua dactyloides; Variety trials; Nutrient availability; Root weight; Genetic variability; Breeding; National Buffalograss Test-1991 |
| Abstract/Contents: | "The ability to absorb nitrogen (N) is an important trait to consider in the breeding and utilisation of turfgrasses. This would be especially true in the development of a new turf species, such as Buchloë dactyloides (Nutt.) Engelm., expected to perform well under low N conditions. Information on N uptake efficiency of B. dactyloides is lacking. Comparisons of N uptake and N uptake efficiency were made between 22 National Turfgrass Evaluation Program (NTEP) entries of B. dactyloides using a hydroponics greenhouse system. Nitrate-N depeletion was measured at 192 hours after plants had been transferred from either non-N limiting (210 mg l₋₁ nitrate-N) or N-limiting (21 mg l₋₁ nitrate-N) half-strength Hoagland's solution into Hoagland's solution containing 210 mg l₋₁ nitrate-N. Significant differences in total N uptake and N uptake efficiency (mg N g₋₁ root dry weight) were found to exist between entries. These parameters increased folllowing N-limiting pre-treatment indicating that N stress promotes N uptake and uptake efficiency when N becomes available again. A negative relationship existed between N uptake efficiency and total root weight." |
| Language: | English |
| References: | 13 |
| Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Richardson, T. B., and C. F. Mancino. 1997. Nitrogen uptake efficiency of twenty two Buchloë dactyloides (Nutt.) Engelm. genotypes. Int. Turfgrass Soc. Res. J. 8(Part 2):p. 1322-1328. |
| Fastlink to access this record outside TGIF: | http://tic.lib.msu.edu/tgif/flink/RECNO/61153 |
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| MSU catalog number: | SB 433 .I52 v. 8 |
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