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Apricot-based agroforestry system in Southern Xinjiang Province of China: influence on yield and quality of intercropping wheat

文献类型： 外文期刊

作者： Qiao, Xu 1 ; Chen, Xingwu 2 ; Lei, Junjie 2 ; Sai, Lihan 2 ; Xue, Lihua 2 ;

作者机构： 1.Chinese Acad Med Sci, Inst Med Plant Dev, Beijing 100193, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Grain Grp, 403 Nan Chang Rd, Urumqi 830091, Xinjiang, Peoples R China

关键词： Agroforestry; Photosynthetically active radiation; Photosynthetic rate; Fertile florets; Nutrient content; Protein content

期刊名称：AGROFORESTRY SYSTEMS （ 影响因子：2.549； 五年影响因子：2.517 ）

ISSN： 0167-4366

年卷期： 2020 年 94 卷 2 期

页码：

收录情况： SCI

摘要： Agroforestry is a common traditional practice in China, especially in Southern Xinjiang, Northwest China. However, the productivity of many agroforestry systems has been lower than expected in recent years. We chose an apricot (Prunus armeniaca L.)/wheat (Triticum aestivum L.) intercropping system to investigate the influence of apricot tree shade intensity on the grain yield and quality of intercropping wheat in Southern Xinjiang Province. We found that the mean daily light intensity in the east-row, inter-row, and west-row positions (apricot trees were planted in north-south orientation) in the intercropping systems decreased by 61.5%, 42.2%, and 63.6%, respectively, compared to the monoculture wheat. Correspondingly, the mean daily photosynthesis rate decreased by 52.0%, 28.4%, and 38.8%, respectively. The total florets, fertile florets, total spikelets, fertile spikelets, and grain yield and its components (including spike number, grains per spike, and thousand grain weight), and the total N and P contents of intercropping wheat in apricot-based intercropping systems were all significantly decreased compared to monoculture wheat. However, the protein content and wet gluten content of intercropped wheat were significantly increased compared to monoculture wheat. We did not find significant differences in any parameters among east-row, inter-row, and west-row positions in intercropping systems.

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