茶树抗寒性比较王守生，李毅（西南农业大学）１９９１年末至１９９２年初，四川普降大雪，低温霜冻持续时间长。新胜茶场五十年代种植的云南大叶茶遭受严重冻害，海拔６５０ｍ以上，约９０％的茶树蓬面丧失发芽能力。当年重剪后，全年不采茶，至１９９３年春树冠尚末恢复... Cold-resistant tea comparison Wang Shousheng, Li Yi (Southwest Agricultural University) From late 1991 to early 1992, Sichuan plunged heavy snow, low temperature frost long duration. Xinsheng tea farms in the 1950s planted Yunnan big leaf tea suffered serious frost damage, elevation 650m above, about 90% of the tea tree face lost the ability to germinate. After heavy cutting, the whole year did not take tea until the spring of 1993 did not recover the crown ...