Slide Pack 2 Flashcards
Phylloxera scientific name?
Dactylosphaera vitifoliae
Phylloxera described in France as Phylloxera vastatrix means?
Devastator of vines
Only way to manage Phylloxera?
Graft varietals to resistant root stock
Munson knew why Texas is like France in what way?
Both have limey, high pH soils from Limestone formed a long time ago.
Munson found that American rootstock for European cultivars needed to have resistance to ?
1) limey high pH soils
2) cold hardiness
3) drought resistance (in this order)
What happened to prior rootstocks sent to France?
Became chlorotic and died due to high pH
Where was Phylloxera in the 1850’s?
Most major wine regions - France, Spain and Italy
How much decline in vineyard production in the 1860’s to 80’s was attributed to Phylloxera
70%
How much decline in vineyard production in the 1860’s to 80’s was attributed to Phylloxera?
70%
What multiple cures were tried but failed?
1) Flooding vineyards
2) Toxic sulfur chemicals
3) Urine
Munson attended school where and when?
Kentucky A&M, class of 1870
Munson organized what group?
Texas Horticulture Society
By what year was Munson’s work on grape hybridization and classification gaining attention?
1886
Munson sold Texas vinestock to who in Montpellier, France?
Planchon
Who came to Texas leading the 2nd French delegation in 1887?
Pierre Viala