Study on the cultivation of soybean cultivar, “Satonohohoemi” in South Kanto
2020
Isobe, K. (Nihon University, Fujisawa Kanagawa (Japan). College of Bioresource Sciences) | Suzuki, D. | Kaku, H. | Kaga, R. | Narira, K. | Ono, T. | Higo, M.
The optimum sowing time and planting density of soybean cultivar; “Satonohohoemi”, in South Kanto were clarified and the growth and yield of “Satonohohoemi” were compared with those of other soybean cultivars cultivated in East Japan. The yield and protein content of seeds sown in July were not lower than those sown in June, due to increased number of seeds per pod, and increased number of pods per node in July sowing. In July sowing, the yield and protein content of seeds in the plants cultivated at 22.2 plants per square m were not significantly different from those cultivated at 11.1 plants per square m. The stem senescence was scarcely delayed in July sowing in 2016 but it was delayed in many plants in 2017. In conclusion, soybean cultivar “Satonohohoemi” should be sown in July and cultivated at 11.1 plants per square m in South Kanto. In “Satonohohoemi”, the stem diameter was larger and the lowest stem node with pods was higher than those in “Enrei”, “Tachinagaha” and “Ayakogane”. The yield and protein content in seeds in “Satonohohoemi” were equal to or higher than those in the other soybean cultivars. Thus, soybean cultivar “Satonohohoemi”, can be cultivated in South Kanto.
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