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ACTA HORTICULTURAE SINICA ›› 2016, Vol. 43 ›› Issue (12): 2423-2431.doi: 10.16420/j.issn.0513-353x.2016-0217

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Effects of Different Apple Rootstocks on the Soil Microbial Quantity and Enzyme Activity of Apple Replanted Orchard Soil

YIN Cheng-miao1,XIANG Li1,SUN Chuan-xiang1,SHEN Xiang1,CHEN Xue-sen1,ZHOU Hui2,and MAO Zhi-quan1,*   

  1. (1College of Horticulture Science and Engineering,Shandong Agricultural University,State Key Laboratory of Crop Biology,Tai’an,Shandong 271018,China;2Fruit Trees Work Station of Penglai City,Penglai,Shandong 265600,China)
  • Online:2016-12-25 Published:2016-12-25

Abstract:

In order to better use of resistant rootstock to comprehensively prevent and control apple replant disease,the soil enzyme activity,microbial quantity and phenolic acids of 5 kinds of apple rootstocks,i.e. Malus hupehensis Rehd.,M. prunifolia(Willd)Borkh.,M. micromalus Makino.,M. sieversii(Ledeb.)Roem. and M. baccata(Linn.)Borkh. were analyzed in a short-term pot experiment. The results showed that soil phosphatase activity of M. hupehensis was the highest. Soil invertase activity of M. micromalus was the highest,and soil urease activity of M. prunifolia was the highest. The number of soil fungi of M. hupehensis was the lowest,and the number of bacteria of M. hupehensis and M. prunifolia was higher. M. hupehensis had the highest of bacteria/fungi ratio. From the aspect of total phenolic acid content,M. hupehensis had the lowest of total phenolic acid content,while M. micromalus had the highest of total phenolic acid content. In summary,M. hupehensis had the least number of soil fungi,and had the lowest of soil total phenolic acid content,and the related soil enzyme activities were higher. It showed that it was the best to improve the soil environment,and it was more suitable for the comprehensive prevention and control of apple replant disease.

Key words: apple, rootstock, phenolic acid, microbial number, soil enzyme activity, potherb mustard, cultivar

CLC Number: