光照条件及外源物质对蕨菜孢子萌发成苗的影响

园艺学报 ›› 2002, Vol. 29 ›› Issue (6): 584-586.

光照条件及外源物质对蕨菜孢子萌发成苗的影响

牛俊义¹;李　胜¹;徐作²;秦舒浩¹;连容芳³

(¹ 甘肃农业大学农学院, 兰州730070 ;　² 甘肃临夏州农业科学研究所, 临夏731100 ;　³甘肃定西地区旱农中心, 定西 743000)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2002-12-25 发布日期:2002-12-25

Effect of Illumination and Exogenous Substance on Spore Germination andSeedling Survival of Pteridium aquilinum

Niu Junyi¹, Li Sheng¹, Xu Zuomi², Qin Shuhao¹, and Lian Rongfang³

(¹ Gansu Agricultural University , Lanzhou 730070 , China ;　² Agricultural Research Institute of Linxia Prefecture of Gansu Province , Linxia 731100 , China ;　³ Rainfed Agricultural Research Center of Dingxi Prefecture of Gansu Province , Dingxi 743000 , China)

Received:1900-01-01 Revised:1900-01-01 Online:2002-12-25 Published:2002-12-25

摘要/Abstract

摘要： 为了提高蕨菜孢子培养成苗率, 研究了不同光照条件及外源物质(GA₃ 、6-BA、腐殖酸等) 对
孢子萌发成苗的影响。结果表明: 孢子萌发及生长发育速度与光照强度密切相关, 以试验中所设最高光强1 800 lx 连续光照下的孢子萌发及成苗最好, 而光强低于1 000 lx 时孢子萌发速度极慢且不能成苗; 无光照时孢子不能萌发; GA₃ 对孢子萌发及生长发育具有明显促进作用, 0. 2 mg/L GA₃ 处理成苗率最高, 达61. 42 %。光照条件与外源物质没有显著的互作效应。

关键词: 蕨菜, 孢子培养, 光照强度, GA₃, 6-BA, 腐殖酸

Abstract: This experiment was conducted to study the effect of the different illumination intensities and exogenous substance (GA₃ , 6-BA , humic acid) on pteridium aquilinum’s spore germination and seedling survival . The results showed that the illumination intensity had a direct bearing on the germination percentage and the growing rate of pteridium aquilinum’s spore. There was a remarkable effect on spore germination and seedling
survival under the treatment of 1 800 lx and continuous lighting , and when illumination intensity was below 1 000 lx , the spores germinated very slowly and could not survive ; the spores couldn’t germinate under darkness.
There was a significant promotion effect for spore germination , growth and development of survived seedling if the culture was treated by GA₃ , and the survival rate was the highest (61. 42 %) when treated by 0. 2 mg/ L GA₃ .
The significant mutual effect was not found between illumination intensity and exogenous substance.

Key words: Pteridium aquilinum, Spore cultivation, Illumination intensity, GA₃, 6-BA, Humic acid

中图分类号:

S 647

牛俊义;李　胜;徐作;秦舒浩;连容芳. 光照条件及外源物质对蕨菜孢子萌发成苗的影响[J]. 园艺学报, 2002, 29(6): 584-586.

Niu Junyi;Li Sheng;Xu Zuomi;Qin Shuhao;and Lian Rongfang. Effect of Illumination and Exogenous Substance on Spore Germination andSeedling Survival of Pteridium aquilinum[J]. ACTA HORTICULTURAE SINICA, 2002, 29(6): 584-586.

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