| Abstract |
The 10th International Triticale Yield Nursery (ITYN) was sent in August and September 1978 to be grown by cooperators in their spring seasons of 1978-79. Nurseries went to 96 locations in 36 countries. The 25 advanced lines and varieties included in the nursery had been chosen from among CIMMYT materials and nominations from plant breeders in different parts of the world. All had been grown and observed under various environments with pressure from major diseases. The selected lines thus comprized a collection of the world's best lines which cooperators could compare under the specific conditions of their own sites. Sixty of the cooperators receiving the 10th ITYN returned field books reporting performance at their location in time to be included in this report. Instructions accompanied the mailing of seeds to each cooperator; the plot size, replications and similar procedures were specified. In receiving and processing the data, CIMMYT assumes that instructions were carried out and that accurate results were reported. We cannot, however, attest to the rigor with which the trials were grown and results were obtained. The choice of variables measured and the data returned rests with the individual cooperator. We have included in the summary all measures of all variables reported to us. Some variables are presented for which a limited number of observations were made. The user of these tables should be aware of the importance of the number of locations and the number of observations in interpreting data on a given variable; summary tables for regional and international results specify both for the guidance of the reader. |
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