板栗果实的生产性能比其他果树低。从开花习性上看,着生纯雄花序极多,而着生发育成栗棚的带雌花的花序少。 但到目前为止,带雌花的花序着生状态的调查研究尚很不够。 “石锤”系 1968年作为抗栗瘿蜂的晚熟品种而命名发表,是作为丰产因素的结实率、品质皆为优良,适于关东以南栽 Chestnut fruit has lower performance than other fruit trees. From the flowering habits point of view, a very large number of male students pure male, and students develop into a chestnut with inflorescence inflorescence less. So far, however, the investigation on the status of inflorescences with female flowers has not been enough. The “stone hammer” was named as a late-maturing variety of anti-chestnut bee in 1968. It is a seed-bearing rate and high quality as a fertility factor and is suitable for planting south of the Kanto