Soluble Solids, Acidity, Canopy Fruit Distribution, and Disease Susceptibility of Selected Grape Cultivars in Quebec

Figures & data

TABLE 1. List of the 20 grape (Vitis spp.) cultivars tested at the Frelighsburg research substation

Cultivar	Origin	Parentage	Winter hardiness literature
Sabrevois (ES-219)	United States	(Minn. 78 × Rosette) × (Minn. 78 × Seneca)	H ^z
Prairie Star (ES-3247)	United States	ES 2–7–13 × ES 2–8–1	H ^z
ES-4725	Canada (H. Fisher)	ES 2–12–27 × St. Croix	H ^z
Delisle (ES-7541)	Uunited States	ES 2–2–22 × Esprit	H ^y
Michurinetz	Russia	V. amurensis × Getsh	H ^z
St. Croix	United States	(Minn. 78 × Rosette) × (Minn. 78 × Seneca)	H ^z
St. Pepin	United States	(Minn78 × Siebel 1000) × Seyval	H^z,y
Vandal Cliche	Canada	Vandal 63 × Vandal 163	H ^z
Kay Gray	United States	(Minn. 78 × Golden Muscat) × Unknown	H ^z , ^y
ES-6–12–28	Canada (H. Fisher)	ES 5–14 × open pollination	—
Geneva Red (GR-7)	United States	Buffalo × Baco noir	H/SH ^x
Lucie Kuhlmann	France	Mg 101-14 S.P. × Goldriesling	SH ^y
Okanagan Riesling	Unknown	—	—
Seyval Noir	France	—	SH ^w
Chancellor	France	Seibel 5163 × Seibel 880	SH ^z , ^y , ^x , ^w
Seyval Blanc	France	Seibel 5656 × Seibel 4986 (Rayon d'Or)	SH ^z , ^y , ^x , ^w
SV-18307	France	Seibel 7053 × Seyve Villard 12–375	T ^w
Vidal Blanc	France	St. Emilion × Seibel 4986 (Rayon d'Or)	SH ^v /T ^w
Hibernal (GM-322)	Germany	Chancellor × Reisling	T ^z
Siegerrebe	Germany	Gewürztraminer × Madeleine Angevine	T ^u
^z Plocher and Parke (2001).
^y Rekika et al. (2005).
^x Rekika et al. (2005).
^w Dubois and Deshaies (1997).
^v Bordelon, Ferree, et al. (1997).
^uhttp://www.nysaes.cornell.edu/hort/faculty/pool/vinfvar/vardescs/siegerrbe.html
H = hardy, SH = semi-hardy, T = tender.

FIGURE 1. Schematic diagram of the trellis used and the distance between the wires.

TABLE 2. Changes in °Brix and titratable acidity (TA) of the juice from 20 grape cultivars during maturation from the last week of August to 17 Oct. 2000

Cultivar and sampling date	SSC (°Brix)								TA (g/L) ^z
	30/08	6/09	13/09	20/09	28/09	5/10	12/10	17/10	30/08	6/09	13/09	20/09	28/09	5/10	12/10	17/10
Sabrevois	8.7	11.1	14.6	16.2	17.4	18.5	18.8	—	29.6	23.0	16.4	14.3	13.7	13.2	13.0	—
Prairie Star	9.8	12.2	14.5	16.1	17.3	18.2	18.9	—	25.9	20.2	16.2	13.7	12.6	12.4	11.9	—
ES 4–7–25	9.3	11.8	15.2	16.7	17.9	18.4	18.8	—	28.3	23.2	14.7	13.4	11.7	11.6	11.0	—
Delisle ^y	9.4	12.1	15.4	17.2	—	—	—	—	18.9	12.4	9.5	7.4	—	—	—	—
Michurinetz	10.0	12.0	15.9	18.3	19.1	22.3	—	—	27.8	22.1	18.1	16.9	16.2	16.2	—	—
St. Croix	6.4	7.9	11.3	13.1	14.6	15.5	15.9	16.9	29.2	23.6	15.6	12.5	10.1	10.1	10.1	10.4
St. Pepin	9.1	11.3	14.7	16.2	17.2	19.0	19.4	—	29.7	23.4	16.6	14.4	12.0	11.8	11.9	—
V. Cliche	7.3	9.2	11.0	12.0	13.6	14.2	14.8	—	28.2	23.1	18.1	15.4	13.2	12.7	12.8	—
ES-6–12–28	—	9.1	11.9	14.3	16.1	17.9	18.1	19.1	—	24.2	18.2	15.1	12.1	11.8	11.9	12.7
Geneva Red	8.9	11.8	15.8	18.0	19.6	22.1	22.6	—	29.9	24.2	16.5	14.8	12.8	13.7	13.6	—
Kay Gray	6.2	8.8	11.6	13.5	15.1	15.8	—	—	31.2	25.1	16.5	12.9	10.1	9.3	—	—
L. Kuhlmann	10.5	13.2	16.5	18.8	20.2	22.3	23.3	—	26.0	19.9	14.7	12.7	11.4	12.2	12.5	—
Chancellor	—	6.5	10.1	12.8	14.0	15.3	16.2	17.0	—	30.7	24.6	20.4	17.2	14.6	13.8	14.2
Hibernal	—	5.3	8.8	12.4	14.3	15.5	15.9	16.5	—	28.4	23.9	19.4	16.3	14.4	14.5	13.2
Ok. Riesling	7.4	9.9	13.6	15.5	16.8	18.5	—	—	35.8	24.5	18.5	15.4	13.1	12.4	—	—
Seyval Blanc	8.5	8.17	13.2	15.2	17.1	19.1	19.2	—	26.8	21.1	16.1	14.0	11.3	11.1	11.4	—
Seyval Noir	7.3	9.1	11.7	14.1	15.5	16.5	17.0	17.6	24.0	19.8	14.5	12.7	11.1	10.7	10.6	11.2
Siegerrebe ^y	11.2	11.9	12.9	—	—	—	—	—	16.5	11.3	7.7	—	—	—	—	—
SV-18307	5.7	7.9	11.8	14.8	16.6	17.7	18.3	18.4	27.3	23.4	16.6	14.2	11.8	11.8	11.5	11.4
Vidal Blanc	—	5.7	9.1	12.2	14.1	15.9	16.1	17.2	—	30.6	25.8	22.2	18.9	17.5	17.5	18.4
lsd 5%	1.0	1.91	1.25	1.21	1.23	1.53	1.16	1.00	1.56	2.12	1.80	1.37	1.08	1.12	1.23	0.84
^zTitratable acidity (TA) expressed in grams tartaric acid per liter.
^yEarly harvest to prevent bird damage.

FIGURE 2. Changes in soluble solids concentration (SSC) and titratable acidity (TA) in ‘Lucie Kuhlmann’, ‘Geneva Red’, ‘Vandal Cliche’, and ‘Vidal Blanc’ cultivars during fruit maturation.

TABLE 3. Effect of winter protection methods on fruit distribution in selected grape cultivars

Winter Protection	M1				M2				M3
Cultivar	L1	L2	L3	L4	L1	L2	L3	L4	L1	L2	L3	L4
Sabrevois	0.8	1.5	3	1	0.8	2.0	3.0	1.5	1.0	2.0	3.0	1.3
Prairie Star	0.5	2.0	3	1.0	1.5	2.5	2.5	1.5	0.8	1.8	3.0	1.5
ES-4–7–25	1.3	3.0	3	0.3	2.0	2.8	2.3	1.3	1.8	3.0	2.5	1.5
Delisle	0.8	2.0	3	1.0	1.0	2.0	3.0	1.8	0.8	2.3	2.3	1.3
Michurinetz	0.8	1.5	3	1.0	1.0	2.3	3.0	1.0	0.8	1.8	3.0	1.0
St. Croix	0.8	2.8	3	1.3	0.8	1.8	3.0	2.3	1.0	2.3	2.8	1.5
St. Pepin	0.8	2.0	2.8	1.3	1.8	2.8	2.5	1.3	1.3	2.3	2.8	1.5
Vandal Cliche	1.0	2.0	3	1.3	1.3	2.5	2.8	1.8	1.5	2.5	3.0	1.0
Kay Gray	0.8	1.5	3	0.8	1.0	2.0	3.0	1.5	0.5	1.8	3.0	1.5
ES-6–12–28	1.0	2.5	3	2.3	1.3	2.5	2.3	2.0	1.5	2.3	3.0	1.8
Geneva Red	0.5	1.3	3	1.8	0.5	2.5	3.0	1.5	0.8	2.0	3.0	1.8
L. Kuhlmann	0.3	1.3	3	1.8	0.8	1.8	3.0	1.3	1.3	2.0	3.0	1.8
Chancellor	—	—	—	—	—	—	—	—	1.5	2.5	2.5	0.8
Hibernal	—	—	—	—	—	—	—	—	1.5	2.3	2.8	1.0
Ok. Riesling	—	—	—	—	—	—	—	—	1.5	1.8	3.0	1.0
Seyval Blanc	—	—	—	—	—	—	—	—	1.3	2.8	2.5	1.3
Seyval Noir	—	—	—	—	—	—	—	—	1.3	2.8	2.5	1.3
Siegerrebe	—	—	—	—	—	—	—	—	1.5	2.3	2.0	0.3
SV-18–307	—	—	—	—	—	—	—	—	2.0	2.0	1.3	0.3
Vidal Blanc	—	—	—	—	—	—	—	—	1.3	1.3	1.5	0.5
F value	1.17	1.78	0.97	2.60	0.97	0.89	0.60	1.03	1.98	1.92	3.19	1.49
lsd 5%	0.69	0.86	0.21	0.98	1.74	1.36	2.21	0.96	1.03	0.74	0.76	0.95
Data represent average fruit distribution in 4 replicates of 5 vines/replicate scored as follows: 0 = no cluster: (0%), 1 = very few clusters: (10–20%), 2 = a small proportion of clusters (20–40%), and 3 = the majority of clusters: (>50%). L1, L2, L3, and L4 are the wire placement levels measured in centimeters above the ground (L1 = 0–45 cm, L2 = 46–80 cm, L3 = 81–125 cm, L4 = 125–175 cm, and L5 > 175 cm).
Winter protection: M1 = no winter protection, M2 = 50% of canes on ground covered by snow and 50% of canes without protection, M3 = vine under geotextile fabric.
—Not planted, using an incomplete, randomized block design (split plots).

TABLE 4. Relative disease susceptibility of grape cultivars

Cultivar	Powdery mildew	Downy mildew
Sabrevois	−	−
Prairie Star	+ ^z	−
ES 4–7–25	+ ^z	−
Delisle	−	−
Michurinetz	+++ ^z	−
St. Croix	+ ^z	−
St. Pepin	+ ^z	−
V. Cliche	+ ^z,y,x,w,v	−
ES-6–12–28	−	−
Geneva Red	−	−
Kay Gray	−	−
L. Kuhlmann	++ ^z,y,w,v	−
Chancellor	−	++ ^z,w
Hibernal	+ ^z,v	−
Ok. Riesling	+ ^z,v	−
Seyval Blanc	−	−
Seyval Noir	+	−
Siegerrebe	++	−
SV-18307	−	++ ^z,w,v
Vidal Blanc	++ ^v	+ ^z,w,v
Key: += slightly susceptible or sensitive. ++= moderately susceptible or sensitive, +++= highly susceptible or sensitive, −= relatively low susceptibility or sensitivity not seen.
The letters represent each area observed to have symptoms: ^zleaf, ^ypetiole, ^xshoot, ^wcluster, ^vcane.

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