摘要
[目的]探讨臭氧对水稻恶苗病菌的抑制作用.[方法]采用菌丝生长速率法和孢子萌发抑制法测定臭氧对恶苗病菌的抑制效果.[结果]在臭氧处理10 min的条件下,200、100、75、50 mg/m3 4种浓度臭氧对恶苗病菌菌丝生长的抑制效果分别为54.47％、26.50％、16.08％、8.36％,对孢子萌发的抑制率分别为90.45％、59.55％、41.67％、14.77％.在200 mg/m3臭氧处理条件下,30、20、10 min臭氧处理对恶苗菌菌丝生长的抑制效果分别为88.08％、72.38％、49.60％,对孢子萌发的抑制效果分别为90.25％、50.74％、21.46％.[结论]试验结果为促进臭氧在水稻栽培领域中的广泛应用提供了理论依据.
Abstract
[Objective] The aim was to explore the inhibition effect of ozone on Fusarium moniliforme.[Method] We determined theinhibitory effect of ozone on Fusadum moniliformne by mycelium growth rate and spore germination inhibition.[Result] Under the conditions of ozone treatment 10 main,the inhibitory effects of ozone at 200,100,75 and 50 mg/m3 on mycelium growth were 54.47％,26.50％,16.08％ and 8.36％,respectively,and spore germination of the pathogen were 90.45％,59.55％,41.67％ and 14.77％.In the ozone concentration of 200 mg/m3 processing conditions,the inhibition of different ozone treatment time of 30,20 and 10 min on the growth of Fusarium moniliforme Sheld were 88.08％,72.38％ and 49.60％,as for the spore germination inhibition effect were 90.25％,50.74％ and 21.46％,respectively.[Conclusion] The results provide theoretical basis for the wide application of ozone in rice cultivation.
基金项目
黑龙江省哈尔滨市应用技术研究与开发项目(2014AB6BN036)
高等学校创新能力提升计划(即“2011计划”)()
中央引导地方科技发展专项()
国家科技期刊平台
NSTL
维普
万方数据