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| Web URL(s): | http://www.ingentaconnect.com/content/ista/sst/2011/00000039/00000002/art00019
Notes: Abstract Only |
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| Publication Type:
| Report |
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| Author(s): | Hume, D. E.;
Schmid, J.;
Rolston, M. P.;
Vijayan, P.;
Hickey, M. J. |
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| Author Affiliation: | Hume and Hickey: AgResearch, New Zealand; Schmid and Vijayan: Massey University, new Zealand; Rolston: AgResearch, New Zealand |
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| Title: | Effect of climatic conditions on endophyte and seed viability in stored ryegrass seed |
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| Source: | Seed Science and Technology. Vol. 39, No. 2, 2011, p. 481-489. |
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| Publishing Information: | Zurich: International Seed Testing Association |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Lolium endophytes; Lolium perenne; Neotyphodium lolii; Regional variation; Relative humidity; Seed storage; Seed testing; Seed viability; Temperature response
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| Abstract/Contents: | "Survival of Neotyphodium fungal endophyte in stored grass seed is a critical component in the supply of quality seed to farmers. From seed harvest to the following spring, endophyte survival is generally maintained as a result of low ambient temperature. However, seed to be sown the following autumn (over 1 year from harvest) has aged and is exposed ambient temperature and relative humidity which may compromise both endophyte and seed viability. To examine this, endophyte-infected ryegrass (Lolium perenne L.) seed was stored for up to 1 year at three geographic locations in New Zealand or Australia, which differed in temperature and/or relative humidity. Seed viability showed little or no change at the New Zealand locations, and a moderate decline at the Queensland Australia location. In contrast, endophyte viability declined in a logistic relationship at all locations over time. This decline occurred earlier and was most rapid in Queensland Australia, was least in central New Zealand, and intermediate in northern New Zealand. This corresponded closely with the differing temperatures at each location, and in New Zealand, possibly with relative humidity." |
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| Language: | English |
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| References: | 17 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hume, D. E., J. Schmid, M. P. Rolston, P. Vijayan, and M. J. Hickey. 2011. Effect of climatic conditions on endophyte and seed viability in stored ryegrass seed. Seed Sci. Technol. 39(2):p. 481-489. |
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| Web URL(s):
http://www.ingentaconnect.com/content/ista/sst/2011/00000039/00000002/art00019
Notes: Abstract Only |
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MSU catalog number: b2224044 |
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