1. Fukushima, A., Shiratsuchi, H., Yamaguchi, H. and Fukuda, A. 2011. Effects of nitrogen application and planting density on morphological traits, dry matter production and yield of large grain type rice variety Bekoaoba and strategies for super high-yielding rice in the Tohoku region of Japan. Plant Prod. Sci. 14: 56-63.
2. Fukushima, A., Hayashi, T., Ohta, H., Kaji, R., Yokogami, N. and Tsuda, N. 2017a. Effects of the number of pollen grains on cold tolerance at the booting stage in rice lines with QTLs for cold tolerance. Plant Prod. Sci. 20: 149-155.
3. Fukushima, A., Ohta, H., Yokogami, N. Tsuda, N., Yoshida, A., Kyozuka, J. and Maekawa, M. 2017b. Effects of genes increasing the number of spikelets per panicle, TAW1 and APO1, on yield and yield-related traits in rice. Plant Prod. Sci. 20: 485-489.
4. Fukushima, A. 2019. Varietal differences in tiller and panicle development determining the total number of spikelets per unit area in rice. Plant Prod. Sci. 22: 192-201.
5. Mae, T., Inaba, A., Kaneta, Y., Masaki, S., Sasaki, M., Aizawa, M., Okawa, S., Hasegawa, S. and Makino, A. 2006. A large-grain rice cultivar, Akita 63, exhibits high yields with high physiological N-use efficiency. Field Crops Res. 97: 227-237.