Direct and indirect effects of several wheat traits on grain yield
2008
Hristov, N., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Mladenov, N., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Kondic-Spika, A., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Statkic, S., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Kovacevic, N., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia)
Forty-four divergent wheat genotypes were analyzed. Highly significant correlations were found between plant height and spike length, grain number per spike and yield per plant, 1000-grain weight and yield per plant, and spike index and harvest index. Between harvest index and plant height and spike length there was a highly significant negative correlation. Path analysis revealed highly significant direct effects of grain number per spike and 1000-grain weight on grain yield per plant. The observed negative direct effect of spikelet number per spike on plant yield indicates the need to increase spikelet fertility.
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