二、有性繁殖授粉播种时机与方式的选择在武汉地区,星球属在一般养植条件下开花盛期是3月下旬至6月上旬和8月下旬至10月下旬。而暮春至初夏这段时期,气温稳定,阳光和煦,昼夜温差也较大,这时单朵花期也相对较其他时间长,便于有性繁殖授粉。授粉时较忌讳的是干燥的 Second, sexual reproduction pollination sowing timing and mode of choice In Wuhan, the planet belongs to the general conditions of cultivation of flowering is from late March to early June and late August to late October. The late spring to early summer during this period, the temperature is stable, warm sunshine, temperature difference between day and night is also larger, then a single flowering period is also relatively longer than other time, to facilitate sexual reproduction pollination. More taboo when pollination is dry