OPTIMUM PLOT SIZE AND NUMBER OF REPLICATIONS IN FABA BEAN | ||
| Egyptian Journal of Plant Breeding | ||
| Volume 26, Issue 1, June 2022, Pages 41-58 PDF (781.61 K) | ||
| Document Type: Original research | ||
| DOI: 10.12816/ejpb.2022.244074 | ||
| Abstract | ||
| Planning agricultural experiments and assessing their accuracy is important in determining the credibility of the results obtained from the research. Therefore, the objective of the present investigation was to estimation of the optimum plot size and number of replications. Two field experiments were carried out during the two successive seasons of 2017/18 and 2018/19 at the Agricultural Research and Experiment Station, of Faculty of Agriculture, Cairo University, Giza, Egypt. The genetic materials were used in this experiment included two faba bean varieties. Estimates of coefficient of variation (C.V.%) varied between 5.9% to 35.9% for Cairo 25 and Cairo 4 verities under Orbanche-free condition. In general, highest estimates of coefficient of variation were detected for Cairo 25 variety under Orbanche-free condition. Standard error decreased as the number of replications and plot size increased while the rate of decrease was more obvious due to increase in number of replications than that due to increasing plot size until plot size 6basic units (14.4 m2). | ||
| Keywords | ||
| Faba bean; Vicia faba; coefficient of variation; standard error; experimental precision | ||
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