摘要
以翅荚木湖南通道种源的种子为材料,采用L9(34)正交试验设计系统研究了种子前处理(A)、激素种类(B)、激素浓度(C)和浸种时间(D)等4个因素对翅荚木种子萌发特性以及幼苗生长的影响。研究结果表明,处理1的种子发芽率、发芽势和发芽指数均为最高,分别为85%、85%、35.56;处理8最低,仅分别为50%、36.67%、7.77。极差分析与方差分析结果显示,4个因素中对翅荚木种子发芽率、发芽势和发芽指数影响最主要的因素是激素种类,GA3处理后种子的各项萌发指标显著高于NAA和IBA。正交试验的9个处理中,处理1对翅荚木种子萌发后的幼苗生长最为有利。综合考虑,对翅荚木种子萌发和幼苗生长的最适合条件组合为处理1:A1B1C1D1(浓硫酸拌种+GA3+200 mg/L+2 h浸种)。
With the seed of Zania insignis from TongDao, Hu＇ nan Province, the effects of seed pretreatment （ A）, hormone kinds （ B ）, hormone concentration （ C ） and soaking time （ D ） on seed germination characteristics and seedling growth were studied by applying orthogonal test design. The results showed that the No. 1 was the highest,the germination percentage,germination energy and germination index of which were 85% ,85% and 35.56 respectively. The No. 8 was the lowest,with the value of germination characters only 50% ,36.6% and 7.77. Range analysis and variance analysis showed that hormone concentration was the most important factor for the germination percentage, germination energy and germination index. Each germination parameter of GA3 treatment was better than that of NAA and IBA significantly. In the nine treatment testes, No. 1 was the best for the seedling growth. Comprehensive consideration, the best treatment was A1 B1 C2D2 （dressed with dense sulfu- ric acid ＋ GA3 ＋200 mg/L ＋2 h soaking time）.
出处
《种子》
CSCD
北大核心
2012年第9期44-47,共4页
Seed
基金
浙江省"花卉产业创新团队"(编号:2009 R 50034)
浙江省创新团队建设与人才培养项目(编号:2010 F 20014)
浙江滕头园林股份有限公司技术开发项目
关键词
翅荚木
发芽率
发芽势
发芽指数
幼苗生长
Zania insignis
germination percentage
germination energy
germination index
seedling growth
