Preference host is an important factor affecting population dynamics in plant-insect interactions. In this research, the two main phylloxera genotypes found in Argentina (gB and gD) were tested on Vitis vinifera cvs. Cabernet Sauvignon, Malbec, Pedro Giménez, Chardonnay, Cereza, Criolla Grande, and rootstocks 1103 Paulsen, 101-14 Mgt, and SO4 using an excised root assay. Statistical analysis showed that survivorship was affected by the interaction of Cultivar and Time, while hatching was influenced by the interaction of Cultivar and Phylloxera genotype. Cultivar also influenced maximum number of adults, developmental time, as well as gross and net reproductive rates. Phylloxera genotype gB developed faster than gD, however, no other significant differences were found between both genotypes. Principal component analysis showed that Pedro Giménez and Criolla Grande grouped closely with high values of reproduction-related variables, suggesting they are the most preferable hosts, followed by Cabernet Sauvignon; while Cereza, Malbec, and Chardonnay were less suitable. None of the rootstocks allowed the establishment of phylloxera colonies. This study will help improve the biological understanding of phylloxera in Argentina and help develop tools for its management.

中文翻译：

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阿根廷两种根瘤蚜基因型在六个葡萄品种和三个砧木上的评价

偏好宿主是影响植物-昆虫相互作用中种群动态的重要因素。在这项研究中，在 Vitis vinifera cvs 上测试了在阿根廷发现的两种主要根瘤蚜基因型（gB 和 gD）。Cabernet Sauvignon、Malbec、Pedro Giménez、Chardonnay、Cereza、Criolla Grande 和砧木 1103 Paulsen、101-14 Mgt 和 SO4 使用切根分析。统计分析表明，成活率受品种和时间相互作用的影响，而孵化受品种和根瘤蚜基因型相互作用的影响。品种还影响成虫的最大数量、发育时间以及总繁殖率和净繁殖率。根瘤蚜基因型 gB 的发育速度比 gD 快，然而，两种基因型之间没有发现其他显着差异。主成分分析表明，Pedro Giménez 和 Criolla Grande 与繁殖相关变量的高值密切相关，表明它们是最优选的寄主，其次是赤霞珠；而Cereza、马尔贝克和霞多丽则不太适合。没有任何砧木允许建立根瘤蚜群落。这项研究将有助于提高对阿根廷根瘤蚜生物学的了解，并有助于开发其管理工具。