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Delineation of within-site terroir e...

Rezaei, Javad Hakimi.

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Delineation of within-site terroir effects using soil and vine water measurement. Investigation of Cabernet Franc.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Delineation of within-site terroir effects using soil and vine water measurement. Investigation of Cabernet Franc./
Author:	Rezaei, Javad Hakimi.
Description:	336 p.
Notes:	Source: Dissertation Abstracts International, Volume: 71-03, Section: B, page: 1412.
Contained By:	Dissertation Abstracts International71-03B.
Subject:	Agriculture, Horticulture. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR57228
ISBN:	9780494572283

Delineation of within-site terroir effects using soil and vine water measurement. Investigation of Cabernet Franc.
Rezaei, Javad Hakimi.

Delineation of within-site terroir effects using soil and vine water measurement. Investigation of Cabernet Franc. - 336 p.

Source: Dissertation Abstracts International, Volume: 71-03, Section: B, page: 1412.

Thesis (Ph.D.)--Brock University (Canada), 2009.

The influence of vine water status was studied in commercial vineyard blocks of Vitis vinifera L. cv. Cabernet Franc in Niagara Peninsula, Ontario from 2005 to 2007. Vine performance, fruit composition and vine size of non-irrigated grapevines were compared within ten vineyard blocks containing different soil and vine water status. Results showed that within each vineyard block water status zones could be identified on GIS-generated maps using leafwater potential and soil moisture measurements. Some yield and fruit composition variables correlated with the intensity of vine water status.

ISBN: 9780494572283Subjects--Topical Terms:

1017832
Agriculture, Horticulture.

Delineation of within-site terroir effects using soil and vine water measurement. Investigation of Cabernet Franc.
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020 $a 9780494572283
035 $a (UMI)AAINR57228
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100 1 $a Rezaei, Javad Hakimi. $3 1676838
245 1 0 $a Delineation of within-site terroir effects using soil and vine water measurement. Investigation of Cabernet Franc.
300 $a 336 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-03, Section: B, page: 1412.
502 $a Thesis (Ph.D.)--Brock University (Canada), 2009.
520 $a The influence of vine water status was studied in commercial vineyard blocks of Vitis vinifera L. cv. Cabernet Franc in Niagara Peninsula, Ontario from 2005 to 2007. Vine performance, fruit composition and vine size of non-irrigated grapevines were compared within ten vineyard blocks containing different soil and vine water status. Results showed that within each vineyard block water status zones could be identified on GIS-generated maps using leafwater potential and soil moisture measurements. Some yield and fruit composition variables correlated with the intensity of vine water status.
520 $a Chemical and descriptive sensory analysis was performed on nine (2005) and eight (2006) pairs of experimental wines to illustrate differences between wines made from high and low water status winegrapes at each vineyard block. Twelve trained judges evaluated six aroma and flavor (red fruit, black cherry, black current, black pepper, bell pepper, and green bean), three mouthfeel (astringency, bitterness and acidity) sensory attributes as well as "color intensity. Each pair of high and low water status wine was compared using t-test. In 2005, low water status (LWS) wines from Buis, Harbour Estate, Henry of Pelham (HOP), and Vieni had higher color intensity; those form Chateau des Charmes (CDC) had high black cherry flavor; those at Rief Estates were high in red fruit flavor and at those from George site was high in red fruit aroma. In 2006, low water status (LWS) wines from George, Cave Spring and Morrison sites were high in color intensity. LWS wines from CDC, George and Morrison were more intense in black cherry aroma; LWS wines from Hernder site were high in red fruit aroma and flavor. No significant differences were found from one year to the next between the wines produced from the same vineyard, indicating that the attributes of these wines were maintained almost constant despite markedly different conditions in 2005 and 2006 vintages. Partial Least Square (PLS) analysis showed that leaf Psi was associated with red fruit aroma and flavor, berry and wine color intensity, total phenols, Brix and anthocyanins while soil moisture was explained with acidity, green bean aroma and flavor as well as bell pepper aroma and flavor.
520 $a In another study chemical and descriptive sensory analysis was conducted on nine (2005) and eight (2006) medium water status (MWS) experimental wines to illustrate differences that might support the sub-appellation system in Niagara. The judges evaluated the same aroma, flavor, and mouthfeel sensory attributes as well as color intensity. Data were analyzed using analysis of variance (ANOVA), principal component analysis (PCA) and discriminate analysis (DA). ANOVA of sensory data showed regional differences for all sensory attributes. In 2005, wines from CDC, HOP, and Hernder sites showed highest red fruit aroma and flavor. Lakeshore and Niagara River sites (Harbour, Reif, George, and Buis) wines showed higher bell pepper and green bean aroma and flavor due to proximity to the large bodies of water and less heat unit accumulation. In 2006, all sensory attributes except black pepper aroma were different. PCA revealed that wines from HOP and CDC sites were higher in red fruit, black currant and black cherry aroma and flavor as well as black pepper flavor, while wines from Hernder, Morrison and George sites were high in green bean aroma and flavor. ANOVA of chemical data in 2005 indicated that hue, color intensity, and titratable acidity (TA) were different across the sites, while in 2006, hue, color intensity and ethanol were different across the sites. These data indicate that there is the likelihood of substantial chemical and sensory differences between clusters of sub-appellations within the Niagara Peninsula.
590 $a School code: 1476.
650 4 $a Agriculture, Horticulture. $3 1017832
650 4 $a Agriculture, Soil Science. $3 1017824
690 $a 0471
690 $a 0481
710 2 $a Brock University (Canada). $3 1018667
773 0 $t Dissertation Abstracts International $g 71-03B.
790 $a 1476
791 $a Ph.D.
792 $a 2009
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR57228