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An analysis of the differences in germination of seed lots of perennial ryegrass in response to artificial ageing

Published online by Cambridge University Press:  27 March 2009

R. E. L. Naylor
R. E. L. Naylor
Affiliation:
School of Agriculture, University of Aberdeen, AB9 IUD
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Summary

Statistically sound methods for analysing the results of germination tests were used to quantify and assess differences between seed lots of perennial ryegrass (Lolium perenne L.) subjected to accelerated ageing. Ageing altered not only the proportion of seed not germinating but also the mean germination time and the synchrony of germination. Seed lots differed in these three parameters before and after ageing. The responses to ageing of mean germination time and synchrony were not regular and a simulation of trie possible effects of ageing on germination suggested this irregularity might be due to changes in the proportion of viable seeds and to a non-normal distribution of seed ages.

Type
Review
Information
The Journal of Agricultural Science , Volume 112 , Issue 3 , June 1989 , pp. 351 - 357
Copyright
Copyright © Cambridge University Press 1989

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