模糊综合评价分析两种生物农药对玉米储藏品质的影响

应用模糊综合评价研究了蛇床子素和多杀菌素两种生物农药拌粮防治储粮害虫的同时对玉米储藏品质的影响。在玉米储藏4个月、8个月和10个月时,分别构建稻谷储藏品质变化的模糊综合评价模型的指标矩阵,先用极差变换及线性比例变换对指标矩阵进行无量纲化处理,再用夹角余弦法确定权重向量,最后得到模糊综合评价值,并用拉依达检验法检验,确定了该评价模型的可行性。结果显示:综合评分值H和F均小于2s(2s相当于显著水平α=0.05),由此可以看出,各样品不显著,即拌以0.5 mg/kg、0.75 mg/kg、1.0mg/kg的1%蛇床子素粉剂和0.5mg/kg、1.0mg/kg、1.5mg/kg的0.5%多杀菌素粉剂的两种生物农药对玉米的储藏品质在10个月内没有显著影响,并且为粮食品质储藏研究工作提供了一个重要的认识工具。

THE EFFECTS OF TWO KIND OF BIO-PESTICIDES ON CORN STORAGE QUALITY BASED ON FUZZY COMPREHENSIVE EVALUATION

We studied the effect of two kind of bio-pesticides, osthole and spinosyn on the storage quality of corn with fuzzy comprehensive evaluation. The fuzzy comprehensive evaluation model was established to evaluate the changes of storage corn quality. When the corn was stored for 4 months, 8 months and 10 months, index matrix of fuzzy comprehensive evaluation model was respectively constructed. First of all, the index matrix were done dimensionless treatment with the range transformation and linear scaling transformation, and then determined the weight vector based on included angle cosine, finally, acquired the fuzzy comprehensive evaluation value, and used the Paǔta test method to test. In this case, the model was practical applicability. The results estimated that comprehensive evaluation value of H and F were less than 2s （2s is equivalent to a significant level）. It is concluded that the samples were not significant, the quality of corn mixed with 0. 5 mg/kg, 0. 75 mg/kg, 1. 0 mg/kg of 1 % osthole powder or 0. 5 mg/kg, 1. 0 mg/kg, 1. 5 mg/kg of 0. 5% spinosyn powder, respectively, were not significantly different from the control in 10 months. We suggest that the fuzzy comprehensive evaluation model could be taken as an important tool of understanding the research results of grain storage quality.