Tetraploid muskmelon alters morphological characteristics and improves fruit quality
Tetraploid muskmelon alters morphological characteristics and improves fruit quality
复制标题
四倍体甜瓜改变形态特征并提高果实品质
DOI：
10.1016/j.scienta.2010.04.038
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发表时间：
2010-06-28
影响因子：
4.3
通讯作者：
Yu, Xiyan
中科院分区：
文献类型：
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作者：
Zhang, Wenqian;Hao, Hui;Yu, Xiyan
用秋水仙素诱导甜瓜二倍体自交系M01-3(2n=24)获得四倍体甜瓜植株。对二倍体和四倍体甜瓜的形态特征和果实品质进行了研究。结果表明，四倍体植株的叶片和花朵明显大于二倍体植株，株高明显高于二倍体植株，茎粗明显大于二倍体植株。透射电子显微镜观察表明，四倍体植株叶片的叶绿体数目、颗粒和颗粒数目以及叶绿体和颗粒的长度均显著多于或长于二倍体植株。四倍体果实的可溶性固形物、可溶性糖和维生素C含量显著高于二倍体果实。四倍体果实比二倍体果实重30%。四倍体植株的种子比二倍体植株的种子宽而粗。综上所述，四倍体甜瓜的农艺性状优于二倍体甜瓜，可作为甜瓜的良种和发展三倍体果实的潜在种质。(C)2010爱思唯尔B.V.保留所有权利。
Tetraploid muskmelon plants were induced successfully from diploid Cucumis melo inbred M01-3 (2n = 24) by colchicine. The morphological characteristics and fruit qualities of diploid and tetraploid muskmelons were investigated. The results showed that the leaves and flowers of the tetraploid plants were markedly larger, the plants were obviously higher, and the stems were thicker than those of the diploid plants. Transmission electron microscope observation revealed that the numbers of chloroplast, granule and grana, and the length of chloroplast and granule of the tetraploid plant leaves were significantly more or longer than those of the diploid plants. The soluble solid, soluble sugar and vitamin C contents in the tetraploid fruit were distinctly higher than those in the diploid fruit. The weight of the tetraploid fruit was 30% heavier than that of the diploid fruit. And the seeds from the tetraploid plants were broader and thicker than those from the diploid plants. Together, our results suggest that the tetraploid muskmelon exhibited better agronomical characteristics than the diploid muskmelon and the tetraploid muskmelon could be used as the improved variety and a potential germplasm for the development of triploid fruit. (C) 2010 Elsevier B.V. All rights reserved.