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Position: Home > Articles > Screening for the formula of microgranule of Acremonium hansfordii conidia Plant Protection 2016,42 (2) 89-94+108

顶孢霉Ahy1菌株微粉剂的配方筛选

作  者：
郝雨;杨顺义;沈慧敏;张新虎;陈娥
单  位：
甘肃农业大学草业学院草业生态系统省部共建教育重点实验室中-美草地畜牧业可持续发展中心
关键词：
顶孢霉;孢子粉;粉剂;载体;分散剂;黏着剂;紫外保护剂
摘  要：
采用室内生物测定的方法,从6种载体、6种分散剂、5种黏着剂、5种紫外保护剂中筛选适宜于顶孢霉Ahy1孢子粉微粉剂的助剂。结果表明,载体硅藻土、紫外线保护剂荧光素钠和腐植酸、分散剂木质素磺酸钠(或钙)、黏着剂羧甲基纤维素对顶孢霉孢子的生物活性无显著影响。用以上助剂加工的20%顶孢霉孢子粉微粉剂,孢子含量为9.8×109个/g,干燥减量为4.36%,孢子萌发率为90.23%,比重为0.37g/cm~3,颗粒细度过200目筛,粉粒直径约为74μm,5℃下贮藏6个月后孢子萌发率为80%,符合真菌农药粉剂国家标准(标准号GB/T25864-2010),在微粉细度上符合制剂标准。
译  名：
Screening for the formula of microgranule of Acremonium hansfordii conidia
作  者：
Hao Yu;Yang Shunyi;Shen Huimin;Zhang Xinhu;Chen E;Pratacultural College of Gansu Agricultural University,Key Laboratory of Grassland Ecosystem Education Ministry,The Sino-US Centers for Grazingland Ecosystem Sustainability;
关键词：
Acremonium hansfordii;;conidial powder;;powder;;carrier;;dispersing agent;;agglutinant;;ultraviolet protector
摘  要：
Through biological assays in the laboratory,additive agents and formulation for micropowder of Acremonium hansfordii conidia were selected from six carriers,six dispersing agents,five agglutinants and five ultraviolet protectors.The results indicated that the diatomite(carrier),sodium fluorescein and humic acids(UV protectant),sodium lignosulfonate or calcium lignosulfonate(dispersing agent)and carboxymethyl cellulose(agglutinant)had little effect on A.hansfordii conidia.The quality indicators were as followed:20% microgranule of A.hansfordii conidia,conidia number of 9.8×109 conidia/g,loss from drying by 4.36%,conidial germination rate of 90.23%,bulk density of 0.37 g/cm~3,granule fineness of passing through a 200 mesh sieve,granule of about 74μm in diameter,conidial germination rate of 80% after stored for 6 months at 5℃.These quality indicators are in line with national standards for the micropowders of fungal insecticide standard No.GB/T25864-2010),and the granule fineness is in line with microgranule.

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