文献类型： 外文期刊

作者： Fu, Yanbo ¹ ; Rao, Xiaojuan ² ; Bian, Qingyong ³ ; Feng, Yaozu ⁴ ; Huang, Jian ¹ ; Wang, Zhiguo ⁴ ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Soil Fertilizer & Agr Water Saving, Urumqi 830091, Peoples R China

2.Xinjiang Vocat Coll Agr, Changji 831100, Xinjiang, Peoples R China

3.Natl Agr Expt Stn Soil Qual Aksu, Aksu, Xinjiang, Peoples R China

4.Xinjiang Acad Agr Sci, Sci & Technol Achievements Transformat Ctr, Urumqi 830091, Peoples R China

期刊名称：APPLIED BIONICS AND BIOMECHANICS （ 影响因子：1.664； 五年影响因子：2.117 ）

ISSN： 1176-2322

年卷期： 2022 年 2022 卷

页码：

收录情况： SCI

摘要： In this paper, the decay law of dissolved oxygen in the culture solution of cotton in the seedling stage, bud stage, and blossoming and boll-forming stage was studied via hydroponic cotton experiments, and then, the oxygen consumption and its rule of cotton were explored. The results showed that with the increase of the cultivation time, the dissolved oxygen concentration of the cotton at seedling stage, bud stage, and blossoming and boll-forming stage showed an exponential function decrease. The dissolved oxygen concentration of the culture medium decreased from about 7.5 mg center dot L-1 to a relatively stable dissolved oxygen concentration, which was 4.92 mg center dot L-1, 1.64 mg center dot L-1, and 1.82 mg center dot L-1, respectively. When CK is about 7.1 mg center dot L-1, a relative equilibrium point between low oxygen absorption rate of cotton and oxygen supply is reached. The sudden drop points of the instant oxygen consumption rate of cotton seedling stage and bud stage are at about 5.15 mg center dot L-1 and 5.89 mg center dot L-1, respectively, while the sudden drop point was not obvious at the blossoming and boll-forming stage. The budding cotton can absorb oxygen when the dissolved oxygen in the culture solution is at a higher level. The blossoming and boll-forming stage cotton is more resistant to hypoxia stress.