Pollen was collected from the male parent and kept at 4 ◦C with a desiccator until used. Seed parents were emasculated at the ‘white bud’ stage, and the emasculated receptacle was covered with oiled paper to protect it from other pollen.
Pollen was collected from the maleparent and kept at 4 ◦C with a desiccator until used. Seed parentswere emasculated at the ‘white bud’ stage, and the emasculatedreceptacle was covered with oiled paper to protect it from otherpollen.