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zhi ma ye fa yu ji qi jie gou de yan jiu
Author(s): 
Pages: 23-29
Year: Issue:  1
Journal: Journal of Henan University of Science & Technology

Keyword:  芝麻叶片发育原始细胞;
Abstract: 芝麻茎尖有2层原套细胞,叶原基起源于原套的第二层。幼叶中层既可由亚边缘原始细胞或远轴层叶肉的第一个细胞单独产生,也可由它们二者共同产生。板状分生组织的细胞分裂能力及持续时间从远轴层到近轴层叶肉逐渐增加。栅栏组织、海绵组织、表皮三者相比,细胞分裂持续的时间前者最长,中间者次之,后者最短。芝麻叶片栅栏组织有1层细胞,海绵组织有3—4层细胞。耐渍性强的品种栅栏组织及海绵组织的细胞间隙较耐渍性差的大。
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