Abstract
From the results of trials for 11–16 years in the Tochigi Agricultural experiment field, we examined the factors causing variation in appearance quality and yield of barley and wheat. Yield of barley “Amaginijo” and “Mikamo-Golden” showed a positive correlation with thousand-kernel weight and rate of whole grain. There was a positive correlation between yield and ear number in “Shyunrai” though not significant in barley. A positive correlation between yield and culm length was observed in 3 barley cultivars. In barley “Mikamo-Golden“, the later the maturing stage, the better the appearance quality, but in wheat “Norin 61”, the fewer the days from heading to maturing stage the better the appearance quality. In barley “Amaginijo” and wheat “Norin 61”, the higher the lowest temperature in February, the lower the stem number, and the lower the lowest temperature during the 60 days before the jointing stage the heavier the dry weight. Thus, the correlation of growth and development with yield, and appearance quality showed a difference between barley and wheat and varied with the cultivar.
