为了提高水稻杂交的工效和避免天然杂交,近年来,许多地方采取了离体杂交的方法,但一般都表现结实率不高。为了解决这个问题,我们除用常规办法外,还采取以下措施: 1.注意稻株被切割的部位 In recent years, in many places, in vitro hybridization has been adopted to improve the efficiency of hybridization and to avoid natural hybridization. However, the rate of seed setting is generally not high. In order to solve this problem, in addition to using conventional methods, but also take the following measures: 1. Note the rice plant was cut parts