Effets Des Methodes De Semis Sur LEvaluation Des Cultivars De Cereales

St-Pierre, C.A.; Dubuc, J.P.; Gauthier, F.M.; Klinck, H.R.

Canadian Journal of Plant Science 55(1): 233-239


ISSN/ISBN: 0008-4220
DOI: 10.4141/cjps75-034
Accession: 068493886

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The differential response of a number of cultivars of wheat (Triticum aestivum L.), barley (Hordeum vulgare L.) and oats (Avena sativa L.) to different methods of seeding was studied. Results of eight station–years with wheat show significant differences in yield among the cultivars and among seeding methods. The highest rate of seeding of wheat, 118 kg/ha, resulted in a significant yield increase, but the yield increase was smaller with narrower rows. The interaction of methods of seeding × cultivars was not significant, indicating that the presently used testing procedures give adequate evaluation of yield potential of wheat cultivars. The stable cultivar performance at the various rates of seeding suggests that efficient individual plant selection could be made at lower rates of seeding in rows 15 cm apart. Results of eight station–years with barley and 12 station–years with oats show that the experimental testing procedures used are adequate to evaluate oats and barley cultivars for yield.