Abstract
Research on the distribution and characteristics of wild grapevines (Vitis vinifera var. silvestris) in Italy was started whose main goals are: • the preservation of the germplasm by setting up plant collections; • the furthering of biological knowledge about this plant; • the study of relations between wild and cultivated grapevines by means of chemotaxonomic techniques; • the assessment of the possibility of using wild plants for genetic improvement of grapevines. The gathering of data began in 1984. • 221 sites in 15 out of the 20 Italian regions have been indicated as possible locations in which wild grapevines grow. So far, 49 of these sites have been inspected. The greatest number of individuals were found in central Italy. This population is dioecious (male/female = 1.8) with few (2.0 %) hermaphrodite examples. • The leaves of the Italian wild grapevines generally have 3 lobes (57 %), but 5 to 7-lobe (36%) and non-lobed (8.9 %) plants exist. Lower variability exists with regard to leaf shape. The study of seed morphology has classified the plants into three groupe, one of which is very numerous. • Two germplasm collections have been established with approximately 400 vines.
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Claims 10
Claim · model-written summary
Possible wild grapevine locations were identified at 221 sites in 15 of 20 Italian regions.
- Taxon
- Vitis vinifera var. silvestris
Vitis viniferat0 - Outcome
- possible locationse0
- Value
- 221 sitese0
- Setting
- Italian regionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“221 sites in 15 out of the 20 Italian regions have been indicated as possible locations in which wild grapevines grow”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
The greatest number of wild grapevine individuals was found in central Italy.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- number of individualse0
- Direction
- greateste0
- Setting
- central Italye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The greatest number of individuals were found in central Italy”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
The Italian wild grapevine population is dioecious with a male-to-female ratio of 1.8.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- dioeciouse0
- Value
- male/female = 1.8e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This population is dioecious (male/female = 1.8)”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Hermaphrodites account for 2.0% of the Italian wild grapevine population.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- hermaphrodite examplese0
- Value
- 2.0 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“few (2.0 %) hermaphrodite examples”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Three-lobed leaves occur in 57% of Italian wild grapevines.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Organ / stage
- leavese0
- Outcome
- 3 lobese0
- Value
- 57 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The leaves of the Italian wild grapevines generally have 3 lobes (57 %)”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Five- to seven-lobed leaves occur in 36% of Italian wild grapevines.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- 5 to 7-lobee0
- Value
- 36%e0
Not reportedOrgan / stage
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“5 to 7-lobe (36%)”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Non-lobed leaves occur in 8.9% of Italian wild grapevines.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- non-lobede0
- Value
- 8.9 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“non-lobed (8.9 %) plants”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Leaf shape showed lower variability.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- leaf shapee0
- Direction
- Lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lower variability exists with regard to leaf shape”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Seed morphology grouped the plants into three groups, one very numerous.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- seed morphologye0
- Value
- three groupee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The study of seed morphology has classified the plants into three groupe, one of which is very numerous”
t0“Vitis vinifera var. silvestris”
Claim · model-written summary
Two germplasm collections containing approximately 400 vines were established.
- Taxon
- Vitis vinifera var. silvestrisVitis viniferat0
- Outcome
- germplasm collectionse0
- Value
- approximately 400 vinese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two germplasm collections have been established with approximately 400 vines”
t0“Vitis vinifera var. silvestris”