Effects of rice-crayfish co-cultivation on rice diseases and pests control and rice quality

doi:10.16178/j.issn.0528-9017.20231130

Abstract

Abstract:

In order to determine the effects of rice-crayfish co-cultivation on rice diseases and pests control and rice quality, the occurrence of major diseases and pests and rice quality were compared between rice-crayfish co-cultivation field and conventional field. The results showed that the rice-crayfish co-cultivation could effectively reduce the occurrence of Sesamia inferens, Chilo suppressalis and sheath blight, and the rice transparency and glue consistency were better than the conventional cropping model, which had good ecological, economic and social benefits.

Key words: rice-crayfish co-cultivation, diseases and pests, control efficacy, rice quality

CLC Number:

S511

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CHEN Jie, CAO Kuirong, WANG Baojun, JIANG Qifan. Effects of rice-crayfish co-cultivation on rice diseases and pests control and rice quality[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(2): 483-486.

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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20231130

http://www.zjnykx.cn/EN/Y2025/V66/I2/483

Figures/Tables 3

Fig.1 The occurrence dynamics of Sesamia inferens, Chilo suppressalis and Cnaphalocrocis medinalis in three treatments

Table 1 Occurrence of rice sheath blight under different treatments

处理	发病率/%	病情指数
稻虾田	0 b B	0 b B
常规田	3.34 a A	0.80 a A
对照田	30.80 a A	7.52 a A

Table 1 Occurrence of rice sheath blight under different treatments

处理	发病率/%	病情指数
稻虾田	0 b B	0 b B
常规田	3.34 a A	0.80 a A
对照田	30.80 a A	7.52 a A

Table 2 Rice yield and quality under different treatments

处理	667 m² 产量/kg	千粒重/ g	透明度/ 级	糙米率/ %	精米率/ %	整精米率/ %	垩白度/ %	垩白粒率/ %	胶稠度/ mm	直链淀粉/ %	碱消值
稻虾田	518.0	31.153 A a	一等	82.8	75.0	61.0	1.6	12	74	18.1	7.0
常规田	619.3	31.442 A a	二等	83.2	74.9	56.4	1.2	8	70	16.8	7.0
对照田	593.6	30.702 B b	二等	82.5	74.4	56.9	1.2	8	71	17.0	7.0

Table 2 Rice yield and quality under different treatments

处理	667 m² 产量/kg	千粒重/ g	透明度/ 级	糙米率/ %	精米率/ %	整精米率/ %	垩白度/ %	垩白粒率/ %	胶稠度/ mm	直链淀粉/ %	碱消值
稻虾田	518.0	31.153 A a	一等	82.8	75.0	61.0	1.6	12	74	18.1	7.0
常规田	619.3	31.442 A a	二等	83.2	74.9	56.4	1.2	8	70	16.8	7.0
对照田	593.6	30.702 B b	二等	82.5	74.4	56.9	1.2	8	71	17.0	7.0

References 7

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