我国首例无刺大红袍花椒不育株的发现

The Sterile Plant First Discovery of Dahongpao Prickly Ash in China

从培育的无刺大红袍花椒苗中发现2株变异植株,栽植5年后只开花不结实,经连续观察研究确定其均为不育株。因此,本文对该不育株的形态特征和物候进行了描述,并讨论了其在研究花椒授粉、坐果过程和杂交育种中的利用价值。

Two mutant plants were found in the no-thorns Da-hongpao seedlings of prickly ash, which only bloomed and did not bear fruit after 5 years of planting. It was confirmed to be sterile plants by continuous observation and study. Therefore, the mor-phological characteristics and phenology of the sterile plants were described in this paper. The application value of these sterile plants in the study of pollination, fruit setting, and cross breeding of prickly ash was discussed.