Fig.4

Fertility-sterility alteration pattern of Huhan 74S in 2017 at Shanghai. a–c Pollen grains from Huhan 74S on 12th August (a), 21st September (b) and 23th September (c). d Dynamic pollen sterility expressions of Huhan 74S relative to daily mean temperature (DMT) data between 19th July to 23th September in 2017 at Shanghai. Scale bars: 50 μm