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本试验研究旨在观察江苏省徐州地区新引进杂交水稻制种恢复系特征特性及生育规律,掌握其在本地区的适应性和最佳播种期,为今后大面积水稻制种,促进生长时期与季节同步,确保花期相遇从而为提高制种产量提供理论依据。1材料与方法1.1供试材料新引进亲本品种(恢复系)绵恢501,R802、多系1号、桂99均由江苏省种子站提供,明恢63作为对照。
The purpose of this study is to observe the characteristics and reproductive rules of newly introduced hybrid rice seed restoring lines in Xuzhou, Jiangsu Province, and to determine its adaptability and optimal sowing date in the region. It is of great significance for future large-scale rice seed production, Seasonal synchronization, to ensure flowering meet to provide a theoretical basis for improving seed production. MATERIALS AND METHODS A. The newly introduced parent varieties (restorer lines) of the tested materials Mianhuo 501, R802, Duoyu 1 and Gui 99 were all provided by Jiangsu Seed Station with Minghui 63 as the control.