Accounting for close to 40% of 91AV原创 sakamai (sake rice) production, Yamada Nishiki is known as the king of sake rice. But as the country grapples with a warming climate, there might be a revolution on the horizon.

Even in Hyogo Prefecture, the birthplace of Yamada Nishiki, brewers are wondering how much longer this rice cultivar has on the throne. Along with other popular varities, the rice is feeling the heat.

“The biggest challenge is that the rice quality has changed,” Yoichiro Yamana, 12th-generation owner of the three-century-old Yamana Shuzo, located in Tamba, Hyogo Prefecture, explains via email. “Compared to the past, the rice is now more resistant to dissolving.