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Effects of Arbuscular Mycorrhizal Fungus on Growth and Fusarium Wilt of Watermelon Seedlings in Continuous Cropping Soils(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年13期
Page:
150-153
Research Field:
Publishing date:

Info

Title:
Effects of Arbuscular Mycorrhizal Fungus on Growth and Fusarium Wilt of Watermelon Seedlings in Continuous Cropping Soils
Author(s):
HAN Ya-nan1; 2; BI Mei-guang3; LIU Run-jin1; LI Min1; 2
1.Institute of Mycorrhizal Biotechnology，Qingdao Agricultural University，Qingdao，Shandong 266109；2.College of Horticulture，Qingdao Agricultural University，Qingdao，Shandong 266109；
3.Institute of Yantai Research,China Agricultural University，Yantai，Shandong 264670
Keywords:
arbuscular mycorrhizal fungus; watermelon; greenhouse; continuous cropping; Fusarium wilt
PACS:
S 651
DOI:
-
Abstract:
Taking watermelon Fusarium wilt middle resistant cultivar ‘Jingxin No1’ as material，the effect of inoculating arbuscular mycorrhizal fungus on the growth and Fusarium wilt of continuous cropping watermelon were studied in soils continuously grown with watermelon for 3，7 and 12 years.The results showed that inoculating arbuscular mycorrhizal fungus could improve the fungus colonization rate，but it decreased with the increasing of replanting years.Arbuscular mycorrhizal fungus could improve the seedlings biomass of watermelon grown in different soils with different replanting years，especially in 3 years’ continuous cropping soil.Although arbuscular mycorrhizal fungus could not avoid the occurrence of Fusarium wilt disease，it had positive efficacy on disease control.The efficacy of arbuscular mycorrhizal fungus was greater as soil with shorter replanting years.

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Last Update: 2014-08-08