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DOI | 10.1111/aen.12314 |
Overwintering survival of grapevine scale Parthenolecanium persicae (Hemiptera: Coccidae) in the Canberra region of Australia | |
Hayes, Angus1; Neeman, Teresa2; Cooper, Paul D.1 | |
发表日期 | 2019 |
ISSN | 2052-1758 |
EISSN | 2052-174X |
卷号 | 58期号:2页码:346-353 |
英文摘要 | Scales of the genus Parthenolecanium have become pests in some grapevine growing regions of Australia but not in the wine region in and around Canberra, Australian Capital Territory, Australia. Previous work suggests that population size of scales on certain cultivars varied, with one potential reason for observed differences being the number of scales surviving winter. Parthenolecanium persicae (Fabricius, 1776) overwinters as a third-instar nymph under the bark of grapevines. We investigated whether differences in bark thickness and thermal insulation contributed to survivorship and the extent to which the scales could tolerate cold temperatures. The thickness of bark and the temperature difference across the bark varied among cultivars studied (Shiraz, Chardonnay, Tempranillo, Riesling, Viognier), but these parameters were not correlated among cultivars. Third-instar scales could survive -15 degrees C in dry conditions but froze and were killed when wet and temperatures were cooled to -10 degrees C. Neither the differences in bark thickness nor scale cold tolerance could explain differences in infestations among cultivars observed previously. Grapevine scale outbreaks in various Australian grape-growing regions may coincide with changes in climate as a result of increased winter survival. |
WOS研究方向 | Entomology |
来源期刊 | AUSTRAL ENTOMOLOGY
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/96913 |
作者单位 | 1.Australian Natl Univ, Res Sch Biol, Canberra, ACT 2601, Australia; 2.Australian Natl Univ, Stat Consulting Unit, Canberra, ACT 2601, Australia |
推荐引用方式 GB/T 7714 | Hayes, Angus,Neeman, Teresa,Cooper, Paul D.. Overwintering survival of grapevine scale Parthenolecanium persicae (Hemiptera: Coccidae) in the Canberra region of Australia[J],2019,58(2):346-353. |
APA | Hayes, Angus,Neeman, Teresa,&Cooper, Paul D..(2019).Overwintering survival of grapevine scale Parthenolecanium persicae (Hemiptera: Coccidae) in the Canberra region of Australia.AUSTRAL ENTOMOLOGY,58(2),346-353. |
MLA | Hayes, Angus,et al."Overwintering survival of grapevine scale Parthenolecanium persicae (Hemiptera: Coccidae) in the Canberra region of Australia".AUSTRAL ENTOMOLOGY 58.2(2019):346-353. |
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