花后持续遮光15 d对香稻产量、品质和香气的影响

莫钊文; 汪益磊; 肖枫; 汤永坚; 潘圣刚; 段美洋; 唐湘如

doi:10.7671/j.issn.1001-411X.2015.03.008

花后持续遮光15 d对香稻产量、品质和香气的影响

莫钊文^{1, 2, †,},
汪益磊^1,,
肖枫¹,
汤永坚¹,
潘圣刚^{1, 2},
段美洋^{1, 2},
唐湘如^{1, 2, ,}

1.
华南农业大学农学院，广东广州 510642
2.
农业部华南地区作物栽培科学观测实验站，广东广州 510642

基金项目:

国家自然科学基金 31271646

广东省自然科学基金 8151064201000017

广东省农业攻关项目 2011AO20202001

广东省农业标准化项目 4100F10003

详细信息

作者简介:
莫钊文(1986—), 男, 博士研究生, E-mail: scaumozhw@126.com

汪益磊(1993—), 男, E-mail: dlufi@qq.com

通讯作者:
唐湘如(1964—)男, 教授, 博士, E-mail: tangxr@scau.edu.cn

†对本文贡献相同

中图分类号: S511
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- 文章访问数: 2024
- HTML全文浏览量: 7
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出版历程
- 收稿日期: 2014-04-24
- 网络出版日期: 2023-05-17
- 刊出日期: 2015-05-09

Effects of 15-day continuously shading treatment after flowering on grain yield, quality and aroma of aromatic rice

MO Zhaowen^{1, 2, †,},
WANG Yilei^1,,
XIAO Feng¹,
TANG Yongjian¹,
PAN Shenggang^{1, 2},
DUAN Meiyang^{1, 2},
TANG Xiangru^{1, 2, ,}

1.
College of Agriculture, South China Agricultural University, Guangzhou 510642, China
2.
Scientific Observing and Experimental Station of Crop Cultivation in South China, Ministry of Agriculture, P. R. China, Guangzhou 510642, China

摘要

摘要:
目的
探明花后持续遮光15 d对香稻产量、品质和香气特征物质2-乙酰-1-吡咯啉(2-AP)的影响.
方法
以常规香稻品种玉香油占和农香18为材料，进行大田对比试验，设置花后持续遮光15 d处理和正常光照处理, 测定了香稻产量、品质和2-乙酰-1-吡咯啉(2-AP)含量等指标.
结果和结论
与正常光照处理相比, 花后持续遮光15 d显著提高了籽粒2-AP含量和蛋白质含量，但千粒质量、结实率和产量以及整精米率均显著降低.花后持续遮光15 d可以提高香稻香气但会降低产量，对稻米其他品质性状的影响因品种而异.
- 花后持续遮光15 d /
- 香稻 /
- 产量 /
- 米质 /
- 香气
Abstract:
Objective
To investigate the effects of 15-day continuously shading treatment after flowering on yield, quality and major aromatic compound 2-acetyl-1-pyrroline (2-AP).
Method
Two conventional aromatic rice cultivars of Yuxiangyouzhan and Nongxiang18 were treated by 15-day continuously shading after flowering and natural light in the field. The yield, quality, 2-acetyl-1-pyrroline content and other indexes of aromatic rice were measured.
Result and conclusion
The results showed that compared with natural light, the 15-day continuously shading treatment after flowering significantly increased the contents of 2-acetyl-1-pyrroline and protein in grains, and significantly decreased 1000-grain mass, seed setting rate and yield as well as head rice rate. Therefore, low-light stress plays a positive role in the aroma enhancement of aromatic rice but leads to a yield reduction. The effects of shading on other grain quality traits are different due to different varieties.
- 15-day continuously shading treatment after flowering /
- aromatic rice /
- yield /
- rice quality /
- aroma

HTML全文

表 1 花后持续遮光15 d处理对香稻产量及其构成因素的影响¹⁾

Table 1 Effects of 15-day continuously shading treatment after flowering on yield and its components of aroma rice

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表 2 花后持续遮光15 d处理对香稻稻米品质的影响¹⁾

Table 2 Effects of 15-day continuously shading treatment after flowering on aromatic rice quality

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表 3 花后持续遮光15 d处理对籽粒全氮、脯氨酸和2-AP含量的影响¹⁾

Table 3 Effects of 15-day continuously shading treatment after flowering on total nitrogen, proline and 2-AP contents of aromatic rice

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