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当前位置: 首页 > 文章 > 噻苯隆对大豆碳代谢与产量形成的影响 黑龙江八一农垦大学学报 2023 (3) 22-28,107
Position: Home > Articles > 噻苯隆对大豆碳代谢与产量形成的影响 Journal of Heilongjiang Bayi Agricultural University 2023 (3) 22-28,107

噻苯隆对大豆碳代谢与产量形成的影响

作  者：
何瑞;方淑梅;王庆燕;朱洪德;樊琦;王梦欣;胡慧迪;包笑璨;梁喜龙
单  位：
黑龙江八一农垦大学
关键词：
噻苯隆;大豆;光合参数;荧光反应;碳代谢
摘  要：
为探究植物生长调节剂噻苯隆（Thidiazuron）对大豆生育关键时期光合特性及碳代谢与产量的影响，2020年以“垦农18”大豆品种为试验材料，待大豆植株生长至盛花期叶面喷施不同浓度的噻苯隆调节剂，并测定不同浓度处理的大豆光合色素含量、光合参数、荧光特性、碳代谢关键酶活性、糖含量及大豆单株产量。结果表明，噻苯隆有助于增加大豆光合色素含量；在处理后18 d有效促进光合系统Ⅱ的光合活力，改善荧光反应活性；净光合速率和气孔导度显著提高，叶片光合能力增强；碳代谢关键酶活性提升，光合产物蔗糖、淀粉及可溶性糖含量升高，产量增加，可为调节剂噻苯隆在大豆优质高效生产中的科学利用提供理论参考。
作  者：
He Rui;Fang Shumei;Wang Qingyan;Zhu Hongde;Fan Qi;Wang Mengxin;Hu Huidi;Bao Xiaocan;Liang Xilong;Heilongjiang Bayi Agricultural University;Heilongjiang Plant Growth Regulator Engineering Technology Research Center;
关键词：
thidiazuron;;soybean;;photosynthetic parameters;;fluorescence reaction;;carbon metabolism
摘  要：
In order to explore the effects of plant growth regulator thidiazuron on the photosynthetic characteristics,carbon metabolism and yield of soybean during the critical period of growth,variety 'KeNong 18' and thidiazuron were used as the test material in 2020.When soybeans were in full bloom,different concentrations of thidiazuron were sprayed on the foliage of soybean plants.The photosynthetic pigment content,photosynthetic parameters,fluorescence characteristics,carbon metabolism enzyme activity,sugar content and soybeans yield per plant with different treatments were determined.The results showed that thidiazuron was helpful to increase the content of photosynthetic pigments;18 d after treatment,it effectively promoted the photosynthetic activity of photosynthetic system Ⅱ and improved the fluorescence reaction activity;the net photosynthetic rate and stomatal conductance were significantly increased,and the photosynthetic capacity of leaves was enhanced.The activity of key metabolic enzymes in carbon,content of photosynthetic products(sucrose,starch and soluble sugar)as well as the yield were increased,which would provide a theoretical reference for the scientific utilization of the regulator thidiazuron in the high-quality and high-efficiency production of soybean.

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