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Investigations on yield in the cereals1. I

Published online by Cambridge University Press:  27 March 2009

F. L. Engledow  and
S. M. Wadham
F. L. Engledow
Affiliation:
Plant Breeding Institute, Cambridge
S. M. Wadham
Affiliation:
Botany School, Cambridge.
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Extract

Considerations which are dealt with at length in Appendix III governed the form of the investigation upon tillering. In essence, the intention was to compare the pure lines P and A and to explore the possibilities of making accurate determinations of tillering. For reasons discussed in the Appendix, special steps were taken to secure for observation a population of plants which had had as great a uniformity of conditions as was attainable. The selection and sowing of the seed have been described in § I above. To promote further uniformity, plants of the following categories were excluded from observation: (i) all the plants of end rows; (ii) the end plants of all rows; (iii) plants which did not germinate on 26. iii. or 27. iii. (these days constituted the “modal” 2-day period of germination for the whole population); (iv) plants damaged to a noticeable degree by wire-worm or any other such agency; (v) plants whose immediate neighbour(s) in the row had died.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 14 , Issue 1 , January 1924 , pp. 66 - 98
Copyright
Copyright © Cambridge University Press 1924

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