SOIL MICROBIAL POPULATION STRUCTURES IN GRAPE (VITIS VINIFERA) RHIZOSPHERE IN RESPONSE TO A SHORT-TERM CALCIUM FERTILIZER FIELD EXPERIMENT

文献类型： 外文期刊

第一作者： Wang, Rui

作者： Wang, Rui;Zhang, Li;Sun, Quan;Wang, Rui;Zhang, Junxiang;Lei, Jinyin

作者机构：

关键词： 16S rRNA gene sequencing; Rhizosphere bacteria; Calcium; Vitis vinifera

期刊名称：PAKISTAN JOURNAL OF AGRICULTURAL SCIENCES （ 影响因子：0.748； 五年影响因子：0.854 ）

ISSN： 0552-9034

年卷期： 2020 年 57 卷 5 期

页码：

收录情况： SCI

摘要： Calcium (Ca) is one of the important elements needed for grape (Vitis vinifera) growth, development and resistance to abiotic stresses. We performed this study to explore the alteration in soil bacterial community in grape in response to Ca-fertilization. Four-year old grape plants (cv. sauvignon) were fertilized with 0 (control, CK), 64.74 (Ca1), 129.74 (Ca2), 194.22 (Ca3), 258.96 (Ca4) and 323.69 kg/hm(2) (Ca5) Ca (NO3)(2)center dot 4H(2)O during the dulking and turning periods for two months. Soil biochemical parameters (eg. available nitrogen, phosphorus, and potassium, total nitrogen and phosphorus, and organic matter) as well as grape berry quality indicators (eg. soluble solid, tannin, titratable acid, anthocyanins and total phenols) were measured. The changes in soil bacterial community in response to Ca-fertilizers were detected by Illumina 16S rRNA gene (V3-V4 region) sequencing. Soil organic matter, available nitrogen, phosphorus and potassium and total nitrogen and phosphorus were increased by Ca1, Ca2, Ca4 and Ca5 fertilizations compared with control. Ca-fertilizers increased the tannin and anthocyanin contents in grape. We observed that the Proteobacteria, Actinobacteria, Chloroflexi, Acidobacteria and Gemmatimonadetes were abundant bacteria in all groups. The high Ca (Ca5) fertilization practice decreased Gemmatimonadetes phylum and increased Nitrospirae phylum and Gemmati monadaceae family, respectively. Ca-fertilizers induced changed in soil fertility and grape quality were related with the altered soil Gemmatimonadaceae, Nitrospirae and Actinobacteria bacteria, which might also be related to the increased defense or tolerance to abiotic stresses in grape.

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