The 1000-grain weight of the seeds of Chinese tallow is about 139, and the seeds can be used for 3 ~ 4 years. Fruit maturity is inconsistent, and it is easy to fall off after ripening, so it should be picked while ripening. Each fruit contains 3 ~ 4 seeds. If there are red flowers and white flowers, the seeds should be collected separately.
The red flower of ginseng fruit is more beautiful than white flower, and most people prefer red flower. But even if all the seeds of safflower are harvested, most offspring may separate white flowers. Seeds are not easy to distinguish, but they are easy to distinguish at seedling stage. The stem of safflower is dark red, and the stem of white flower is green, which can be well distinguished as long as you observe it carefully. If you carefully select seeds every year and pay attention to isolation, the noise of future generations will be less and less.