低温胁迫和赤霉素对花生种子萌发和幼苗生理响应的影响

常博文,钟鹏,刘杰,唐中华,高亚冰,于洪久,郭炜

Effect of low-temperature stress and gibberellin on seed germination and seedling physiological responses in peanut

Bo-Wen CHANG,Peng ZHONG,Jie LIU,Zhong-Hua TANG,Ya-Bing GAO,Hong-Jiu YU,Wei GUO

表1 黑龙江省倒春寒等级指标

Table 1 Level index of abnormal coldness in spring of Heilongjiang province

倒春寒等级 Late spring chilling grades 最大降温幅度ΔT Maximum cooling rate (oC) 气温距平(δT) Temperature departure (oC) 持续时间 Consecutive time (d) 轻微 Light 3.0 < ΔT24 ≤ 5.0 or 5.0 < ΔT48 ≤ 8.0 -2.0 ≤ δT < -1.0 ≥ 3 中度偏轻 Moderate partial light 5.0 < Δ.0erate or 8.0 < Δ.0erate -3.0 ≤ δT < -2.0 ≥ 3 中度 Moderate 8.0 < ΔT24 ≤ 10.0 or 10.0 < ΔT48 ≤ 12.0 -5.0 ≤ δT < -3.0 ≥ 5 严重 Severe 10.0 < ΔT24 or 12.0 < ΔT48 δT < -5.0 ≥ 5