AUTHOR=Du Kanghua , Zhang Da , Ma Jixian , Dan Zhong , Wen Xianqin , Lv Weiwu , Yang Long , Bao Lingfeng , Li Yirong , Chen Guangping , Zhang Jie , Mu Wanfu TITLE=Effect of ultra-low temperature storage on the viability of pepper pollen and its implications for hybrid breeding JOURNAL=Frontiers in Plant Science VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2025.1516016 DOI=10.3389/fpls.2025.1516016 ISSN=1664-462X