primary meristem; primary xylem.
生
生
织;
生木质部
primary meristem; primary xylem.
生
生
织;
生木质部
In root meristem it is also called periblem.
根部生
织也称为皮层原。
The differentiation of the cells derived from the primordial meristem forms protoderm,ground meristem and adsperse procam-bium strand.
其衍生细胞化为原表皮、基本
生
织和散生的原形成层束。
Ground meristem The central region of the apical meristem from which the ground tissues of pith, cortex, medullary rays, and mesophyll differentiate. In root meristem it is also called periblem.
基本生
织:位于顶端
生
织的中部,髓、皮层、髓射线以
这些基本
织均是由基本
生
织
化而成。根部
生
织也称为皮层原。
Applying thermotherapy, meristem culture, micropropagation and chemical preparation may provide effective ways for eliminating the pear virus diseases.
热处理、茎尖培养、微体嫁接、化学制剂处理其联合应用为梨病毒的脱毒提供了有效途径;
The structure of the root apex of Pyrus betulaefolia Bunge consists of the stelar meristem,cortical cells and the root cap.
杜梨根端的结构,可成中柱
生
织,皮层细胞和根冠。
The results showed that the prime symptoms of the TPD include laticifer necrosis and cambium-like meristem formation that occurs around the necrotic laticifer in the inner bark.
结果表明该病的基本症状是在树皮内层发生乳管坏死和在坏死的乳管周围产生形成层状生
织。
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