Underwood N, Morris W, Gross K, Lockwood Iii J R
Department of Zoology, Duke University, Box 90325, Durham, NC 27708-0325, USA, , , , , , US.
Oecologia. 2000 Jan;122(1):83-89. doi: 10.1007/PL00008839.
Fourteen genotypes (varieties) of soybean (Glycine max) were screened for levels of induced resistance to Mexican bean beetle (Epilachna varivestis) damage, and a subset of 6 of those varieties was screened for levels of constitutive resistance to Mexican bean beetles. Experiments were carried out in the greenhouse, with damage imposed by Mexican bean beetle larvae, and levels of resistance measured by a choice test bioassay with adult beetles. We found significant variation among soybean genotypes in levels of both induced and constitutive resistance. We found no significant correlation between levels of induced and constitutive resistance measured in the same genotypes. We compare these results to past work on resistance in the soybean-Mexican bean beetle system, consider the implications of variation in both types of resistance for plant-herbivore interactions in agricultural and natural systems, and discuss the relationship between induced and constitutive resistance.
对14种大豆(Glycine max)基因型(品种)进行了诱导抗墨西哥豆瓢虫(Epilachna varivestis)危害水平的筛选,并对其中6个品种的子集进行了对墨西哥豆瓢虫组成型抗性水平的筛选。实验在温室中进行,由墨西哥豆瓢虫幼虫造成危害,并通过成虫的选择试验生物测定法来测量抗性水平。我们发现大豆基因型在诱导抗性和组成型抗性水平上存在显著差异。我们发现在相同基因型中测量的诱导抗性和组成型抗性水平之间没有显著相关性。我们将这些结果与过去在大豆 - 墨西哥豆瓢虫系统中抗性的研究工作进行比较,考虑两种抗性变化对农业和自然系统中植物 - 食草动物相互作用的影响,并讨论诱导抗性和组成型抗性之间的关系。