多食性

丰富的寄主植物以及本身具有的多食性特性有助于B型、Q型等生物型在世界各地的广泛入侵。

Multitudinous host plants and the inherent polyphagous characteristics enhance the wide invasion of B and Q biotypes in different counties .

棉蚜Aphisgossypii（Glover）属多食性害虫，主要危害棉花、南瓜、西瓜、木谨等多种植物，在世界范围内广泛分布，在我国各棉区均有分布和危害。

Cotton aphid Aphis gossypii ( Glover ) belong polyphagous pests , mainly against cotton , squash , watermelon , wood and other plants , widely distributed in the world .

张家口地区多食性斑潜蝇种类及发生为害调查

The Investigating on Sorts , Occurring and Endanger of Polyphagous leafminer in Zhangjiakou Area

该蝇系多食性害虫，对寄主作物有明显的选择性，对烟草有较强的适应性。

The pest is polyphagous , has obvious selectivity for hosts and good adaptability to tobacco .

阐述了多食性斑潜蝇寄主植物范围扩大的原因。

Gradual physiological adaptation of the leafminer larvae to the novel hosts was widening their host plant range .

夜蛾科多食性昆虫对寄主植物的选择机制一直是昆虫与植物协同进化研究中的一个热点问题。

Host plant selection mechanisms of noctuid polyphagous insects are hot spots of the co-evolution between plants and insects .

初孵幼虫具有多食性和一定的耐饥性、耐旱性、耐涝性、耐寒性。

The infancy larva had the characteristics of the polyphagy and some endurance with starvation , dry , waterlogging and cold .

因此，开展转基因抗虫作物对多食性次要靶标害虫的杀虫效果评价将是十分必要的。

Therefore , it will be necessary to carry out the evaluation of the effect of genetically modified crops on nontarget pests .

储粮害虫的多食性以及昆虫分类技术的发展，使得同一种粮食内可能存在不同种类或类群的害虫。

The insect polyphagous character along with the development of insect classification technology makes it possible for different kinds of insects to live in the single grain .

该虫属多食性昆虫，可取食35科108属138种植物，其中大田作物28种，蔬菜32种。

Beet armyworm is a kind of polyphagous pest , and they can eat 35 families 108 genera , 138 species of plants , including 28 kinds of field crops , 32 kinds of vegetables .

淀粉多糖基可食性包装纸的改性研究

Modification Study on Edible Wrapping Paper Made from Starch Polysaccharide

可食性包装膜主要有多糖类可食性包装膜、蛋白质类可食性包装膜、微生物共聚聚酯可食性包装膜和多糖、蛋白质、脂肪酸复合型包装膜。

Edible packaging films mainly include polysaccharide EPF , protein EPF , microbian polyester EPF and polysaccharide , protein , fatty acid compound packaging films .

阐述多糖类可食性膜的种类和应用现状等，提出了多糖类可食性膜未来的发展趋势。

The classification and application status of polysaccharide edible film are summarized , and the developing tendency of edible film is also indicated in this article .

蚧虫以多世代、多食性种类发生严重，并且具有世代重叠、发生量大、蔓延快的特点。

The polyphagous or polyvoltine scale insects can attack the plants seriously , and they often have the characters of the generation overlapping , high population density and fast spreading .