Slide Pack 2

Question 1

Phylloxera scientific name?

Answer 1

Dactylosphaera vitifoliae

Question 2

Phylloxera described in France as Phylloxera vastatrix means?

Answer 2

Devastator of vines

Question 3

Only way to manage Phylloxera?

Answer 3

Graft varietals to resistant root stock

Question 4

Munson knew why Texas is like France in what way?

Answer 4

Both have limey, high pH soils from Limestone formed a long time ago.

Question 5

Munson found that American rootstock for European cultivars needed to have resistance to ?

Answer 5

1) limey high pH soils
2) cold hardiness
3) drought resistance (in this order)

Question 6

What happened to prior rootstocks sent to France?

Answer 6

Became chlorotic and died due to high pH

Question 7

Where was Phylloxera in the 1850’s?

Answer 7

Most major wine regions - France, Spain and Italy

Question 8

How much decline in vineyard production in the 1860’s to 80’s was attributed to Phylloxera

Answer 8

70%

Question 9

How much decline in vineyard production in the 1860’s to 80’s was attributed to Phylloxera?

Answer 9

70%

Question 10

What multiple cures were tried but failed?

Answer 10

1) Flooding vineyards
2) Toxic sulfur chemicals
3) Urine

Question 11

Munson attended school where and when?

Answer 11

Kentucky A&M, class of 1870

Question 12

Munson organized what group?

Answer 12

Texas Horticulture Society

Question 13

By what year was Munson’s work on grape hybridization and classification gaining attention?

Answer 13

1886

Question 14

Munson sold Texas vinestock to who in Montpellier, France?

Answer 14

Planchon

Question 15

Who came to Texas leading the 2nd French delegation in 1887?

Answer 15

Pierre Viala

Question 16

Viala planned a one day meeting with Munson but stayed how long?

Answer 16

Three weeks

Question 17

Munson advises Viala on what rootstock?

Answer 17

V. Berlandieri

Question 18

On Viala’s return trip, what grapes does Munson recommend for rootstock?

Answer 18

V. Berlandieri, cinerea and cordifolia (vulpina)

Question 19

V. Berlandieri (winter grape) is best suited for what soil?

Answer 19

Calcareous soils over limestone rock and is high pH resistant

Question 20

V. Cinerea (Sweet Winter Grape) is found where? And is what?

Answer 20

N.E. Texas & central US.
Phylloxera resistant, high nematode resistant but poorly adapted to high calcium soils

Question 21

V. Cordifolia/vulpina (Frost Grape) is found where?

Answer 21

Grows in isolated areas (woods and thickets) in N.E. Texas. Tolerates sandy and clay soils and is adapted to moderate pH soils and some alkaline

Question 22

French awarded T.V. Munson with what?

Answer 22

The Chevaliers du Merit Agricole Legion of Honor

Question 23

Institute in Cognac was founded for what purpose?

Answer 23

Help Cognac winegrowers plant vines grafted on phyloxera resisitant rootstock

Question 24

Munson recommended to Luther Burbank what rootstock for California 1893 Phylloxera outback?

Answer 24

V. Rupestris

Question 25

Munson wrote what book in 1909?

Answer 25

Foundations of American Grape Culture

Question 26

What year did Munson die?

Answer 26

1913

Question 27

What was the issue with American Phylloxera resistant rootstock?

Answer 27

Difficult to graft to French V. Vinifera

Question 28

Three present day popular rootstocks in Texas?

Answer 28

SO4, SBB, and 1104 VP

Question 29

Texas native grapes are making Vitis Vinifera resistant to what other disease?

Answer 29

Pierce's Disease (Xylella fastidiosa)

Question 30

PD is common where?

Answer 30

Southern US and growing problem in California due to global warming

Question 31

What grape has been found to have a special single gene resistant to PD?

Answer 31

V. arizonica

Question 32

Who bred the new grape using V. arizonica?

Answer 32

Dr. Andy Walker, UC Davis

Question 33

New PD resistant grapes have what resulting cross?

Answer 33

95-97% V. vinifera, 3-5% V. arizonica

Question 34

When did the Phylloxera outbreak in Europe start?

Answer 34

mid-1800's

Question 35

Native vines are resistant to Pd by two ways?

Answer 35

1) Thick protective layer that's hard to breach 2) Exude sticky sap that repels root predators

Question 36

What other three grapes did Munson identify?

Answer 36

1) V. rupestris (Rock/sand grape) 2) V. riparia (Riverbank grape) 3) V. mustangensis (Mustang grape)

Question 37

V. Rupestris found in north and central Texas is?

Answer 37

1) Phylloxera resistant 2) Drought tolerant from deep roots 3) Intolerant of high calcium high pH soils

Question 38

V. riparia found in US & NE Texas is?

Answer 38

1) HIgh Phylloxera resistant 2) Cold hardy 3) Intolerant of high calcium soils