谷粒灌浆期不同类型玉米籽粒内部结构和营养质量的变化

IF 0.4 4区生物学 Q4 PLANT SCIENCES

Bangladesh Journal of Botany Pub Date : 2023-12-31 DOI:10.3329/bjb.v52i4.70608

Qiang Guo, Juan Li, Jingjing Cui, Huadi She

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引用次数: 0

摘要

为了解玉米灌浆期籽粒内部结构和营养成分的变化，本研究以京垦 2000（蜡质玉米）、超甜 2000（甜玉米）和正丹 958（普通玉米）为试验材料。这项研究观察了玉米籽粒的内部结构，并测定了玉米灌浆期营养品质的变化。在整个测定阶段，超甜 2000 的淀粉颗粒没有充满整个胚乳细胞，细胞壁清晰可见。相比之下，井研糯 2000 和正丹 958 的淀粉颗粒充满了整个胚乳细胞。朝甜 2000 的蛋白质含量明显高于京粳 2000 和郑单 958（P<0.05）。随着授粉后时间的延长，朝甜 2000、京果 2000 和正丹 958 的可溶性糖含量明显下降（P<0.05）。孟加拉国植物学报52(4):1077-1084，2023 年（12 月）

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Changes in internal structure and nutritional quality with different types of maize kernels during Grain filling period

To understand the changes in grain internal structure and nutrients during maize filling, Jingkenuo 2000 (waxy corn), Chaosweet 2000 (sweet corn), and Zhengdan 958 (common corn) were used as test materials. This study observed the internal structure of the corn grain and measured the change in nutritional quality during the filling period. Throughout the determination stage, the starch granules did not fill the whole endosperm cell in Chaosweet 2000, and the cell wall was clearly visible. By contrast, the starch granules filled the whole endosperm cell in Jingkenuo 2000 and Zhengdan 958. The protein content in Chaosweet 2000 was significantly (P<0.05) higher than those in Jingkenuo 2000 and Zhengdan 958. With the extension of post-pollination time, the content of soluble sugar decreased significantly (P<0.05) in Chaosweet 2000, Jingkenuo 2000, and Zhengdan 958. Bangladesh J. Bot. 52(4): 1077-1084, 2023 (December)

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来源期刊

Bangladesh Journal of Botany 生物-植物科学

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bangladesh in situated on the north of Bay of Bengal. Climatically it is a humid subtropical country. Most of the land is deltaic plain of two great rivers, the Ganges and the Bhrammaputra and it tributaries. The country has rich diversity of plants. Main crops cultivated are Rice, Jute, Wheat, Maize, Sugarcane, Mustard and different kinds of Lentils. There are a good number of Public and Private Universities and Plant Research Establishments. Bangladesh Journal of Botany is the official organ of the Bangladesh Botanical Society established in 1972. Since 1972 Bangladesh Journal of Botany is being published regularly. Two issues of the Journal are published, one in June and another in December. Scientific papers (Full paper and short communication) on any field of Plant Sciences from anywhere in the World are considered for publication in Bangladesh Journal of Botany.