Talk:Phylloxera

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Chilean pre-phylloxera viniferas

Shouldn't some mention of Chilean pre-phylloxera vinifera imported vines be made, as they are the only examples of pure vinifera extant? (Sorry, am travelling, don't have access to my reference books.)

speculation

This is a purely speculative statement that should be removed: "all else being equal, it only seems logical that wines made from new, grafted vines would compare unfavorably with wines made from older, self-rooted vines."

I cant work out whether the author meant to say that they were better by virtue of being older or being self-rooted or both. Agree paragraph needs a rewrite. Also reference to the book, and will look through the French article. Justinc 10:53, 26 September 2005 (UTC)[reply]

"Modern phylloxera infestation also occurs when wineries are in need of fruit immediately and cannot wait for grafted vines to be available." Are they saying that the wineries are leaving in ungrafted vines to continue harvesting from them rather than replanting, or are they planting own-rooted vines because grafted ones are unavailable? If the latter, I have never heard of this in nearly a decade of working in viticulture (albeit on the east coast). This would seem to be bizarrely short-sighted, and of course they still wouldn't get fruit for a couple of years. Elakazal 07:38, 19 December 2005 (UTC)[reply]

Expansion

Both the portuguese and french articles seem quite complete. References cited include two in english:
http://ohioline.osu.edu/hyg-fact/2000/2600.html
http://berrygrape.oregonstate.edu/index.php?s=phylloxera
Uhm, I'll be honest: I can't be bothered spending time reading on this subject and writing things down properly (and properly referenced)... thus, I opted to leave the hint/help rather than let the knowledge be lost.
--portugal (talk) 22:03, 15 April 2008 (UTC)[reply]

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It's not a louse

Lice are order Phthiraptera and Phylloxera is order Hemiptera, so why does this article call it a louse? Rees11 (talk) 16:25, 6 January 2010 (UTC)[reply]

Because it really loused up the European wine industry! </rim shot> Daniel Case (talk) 00:10, 17 April 2011 (UTC)[reply]

YES! This needs to be changed. --2607:FEA8:D5DF:1AF0:89DA:FC2A:283A:498A (talk) 13:29, 1 May 2021 (UTC)[reply]

Napoleonic destruction of vineyards

There is a related item of information that could be added to this article. Although partly anecdotal, there is a record of Napoleon's troops cutting grafts from vines with blood covered knifes. This occurred in Greece on the ancient Macedonian Greek Ignatia Road ({Roman}"Via Ignatius"). This practice of improperly taking grafts is known to have attracted the bugs and cause a white fungal disease that killed most old vines. The infestation spread through Europe as the troops marched back to France. Proper reference will be needed, some French deny that grafts were stolen from Greece.

This may be how the first occurrence of the widespread blight spread. — Preceding unsigned comment added by 69.183.23.143 (talk) 05:46, 31 May 2012 (UTC)[reply]

Source for lifecycle info

I found this review article about the lifecycle, maybe it could be used to expand the article here?

Forneck, Astrid; Huber, Lars (2009). "(A)sexual reproduction - a review of life cycles of grape phylloxera, Daktulosphaira vitifoliae". Entomologia Experimentalis et Applicata. 131 (1): 1–10. doi:10.1111/j.1570-7458.2008.00811.x. ISSN 0013-8703.

Yotann (talk) 15:47, 25 October 2016 (UTC)[reply]

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probably should be tagged 'needs citation'

"Modern phylloxera infestation also occurs when wineries are in need of fruit immediately, and choose to plant ungrafted vines rather than wait for grafted vines to be available. "

89.134.199.32 (talk) 22:23, 6 August 2018 (UTC).[reply]

also see comment titled 'speculation': /"Modern phylloxera infestation also occurs when wineries are in need of fruit immediately and cannot wait for grafted vines to be available." Are they saying that the wineries are leaving in ungrafted vines to continue harvesting from them rather than replanting, or are they planting own-rooted vines because grafted ones are unavailable? If the latter, I have never heard of this in nearly a decade of working in viticulture (albeit on the east coast). This would seem to be bizarrely short-sighted, and of course they still wouldn't get fruit for a couple of years. Elakazal 07:38, 19 December 2005 (UTC) / seems that effectively the same sentence remains since 2005. or perhaps if not citation, then clarification is needed. 89.134.199.32 (talk) 22:26, 6 August 2018 (UTC).[reply]

Eating grapes

The article refers to its effect on wine, but not in eating grapes. Is there some problem with hybrid grapes or grapes from grafted vines? I guess that the taste problems affect eating grapes as well as wine grapes, but the article doesn't say it. --Error (talk) 10:10, 29 April 2020 (UTC)[reply]

Aphid and louse

Hi Plantdrew, about this edit: A quick internet search shows that these are commonly called "aphid" and "aphid-like" and "louse" including being called that by Extensions. We need to at least mention that for usability. Invasive Spices (talk) 17:21, 1 May 2021 (UTC)[reply]