Studies of Soil Improvement Effect of Calcium Cyanamide and Its Control#br#
Efficiency on Soil-borne Diseases of Vegetable Crops

doi:10.16420/j.issn.0513-353x.2016-0148

ACTA HORTICULTURAE SINICA ›› 2016, Vol. 43 ›› Issue (11): 2173-2181.doi: 10.16420/j.issn.0513-353x.2016-0148

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Studies of Soil Improvement Effect of Calcium Cyanamide and Its Control#br# Efficiency on Soil-borne Diseases of Vegetable Crops

BEN Hai-yan1，SHI Yan-xia2，XIE Xue-wen2，CHAI A-li2，and LI Bao-ju2,*

1Gardening Branch，Heilongjiang Academy of Agricultural Sciences，Harbin 150069，China；2Institute of Vegetables and
Flowers，Chinese Academy of Agricultural Sciences，Beijing 100081，China

Online:2016-11-25 Published:2016-11-25

Abstract

Abstract:

This paper reported the effects of calcium cyanamide（CaCN2） on control of cucumber
root rot caused by Fusarium solani. Through the examination of disease control effectiveness，plant growth
and other indices，we evaluated the antimicrobial effects of CaCN2 on F. solani in soil at different doses
and different treatment periods by real-time PCR. The minimal detectable concentration of 1 × 101
dRn · g-1 soil was established to monitor the population of F. solani. The results showed that CaCN2
reached its best inhibitory effects on F. solani at the dose of 120 g · m-2. In disinfection period，the
population of pathogen greatly reduced within 3 days，and little pathogen could be detectable at the 9th day.
In plant growing period，the population of this pathogen recovered slowly，and the control efficiency could
reach 66.56%–74.41%.

Key words: cucumber, calcium cyanamide, Fusarium solani, control efficiency, real-time PCR, dynamic monitoring

CLC Number:

S 642.2

BEN Hai-yan1，SHI Yan-xia2，XIE Xue-wen2，CHAI A-li2，and LI Bao-ju2,*. Studies of Soil Improvement Effect of Calcium Cyanamide and Its Control#br# Efficiency on Soil-borne Diseases of Vegetable Crops[J]. ACTA HORTICULTURAE SINICA, 2016, 43(11): 2173-2181.

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Studies of Soil Improvement Effect of Calcium Cyanamide and Its Control#br# Efficiency on Soil-borne Diseases of Vegetable Crops

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