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e New York AGRICULTURAL EXPERIMENT STATION. 603 
4 
The fourth class is designated by the words “pollen self-impo- 
tent,’ meaning that self-pollination is Sais to incite any appar- 
ent development of the ovaries. 
List of Grapes Tested as to Self-fertility. 
I. V. Labrusea. Cultural varieties. 
A 
2. 
3. 
4, 
Concord.—Ten clusters bagged. ‘‘ Partly self-fertile,’’ almost ‘‘ fully 
self-fertile.” 
Diamond.— Two clusters bagged. ‘‘ Fully self-fertile.”’ 
Niagara.—Ten clusters bagged. ‘‘ Fully self-fertile.” 
Winchell.—Ten clusters bagged. ‘‘Fully self-fertile.” 
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II. Hybrids one-half Labrusca and one-half vinifera. 
Lif 
OU wh oD 2 
(oe) 
10, 
1. 
12. 
18. 
14, 
15. 
16. 
17. 
Massasoit, Rogers No. 3.—Two clusters bagged. ‘‘ Pollen self- 
irritant.” 
. Wilder, Rogers No. 4.— Two clusters bagged ‘‘ Pollen self-irritant,’ 
. Rogers No. 5.—Two clusters bagged. ‘‘ Pollen self-irritant.” 
. Rogers No. 18.—Two clusters bagged. ‘‘ Fully self-fertile.” 
. Gaertner, Rogers No. 14.—Two clusters bagged. ‘‘Pollen self- 
irritant.’ 
. Agawam, Rogers No. 15.—Ten clusters bagged. ‘‘ Partly self-fertile; 
a large per cent of the flowers developed into fruit.” 
. Merrimac, Rogers No. 19.—Two clusters bagged. ‘‘ Pollen self- 
irritant.”’ 
. Rogers No. 24.— Two clusters bagged. ‘‘ Fully self-fertile.’’ 
. Requa, Rogers No. 28.—Two clusters bagged. ‘‘Pollen self- 
irritant.” 
Rogers, No. 32.— Two clusters bagged. ‘‘ Fully self-fertile.”’ 
Aminia, Rogers No. 39:—Two clusters bagged. ‘‘ Pollen self- 
irritant.” 
Essex, Rogers No. 41.—Two clusters bagged. ‘‘Pollen self- 
irritant.” 
Barry, Rogers No. 43.—Two clusters bagged. ‘‘Pollen self- . 
impotent.” 
Herbert, Rogers No. 44.—Two clusters bagged. ‘‘Pollen self- 
irritant.” 
Salem, Rogers 53.—Ten clusters bagged. ‘‘Pollen self-impotent,”’ 
possibly ‘‘self-irritant’’ to some extent. 
Black Eagle.—Two clusters bagged. ‘‘ Pollen self-irritant.” 
Kumelan.— Ten clusters bagged. ‘‘Pollen self-irritant.” 
Cy ha sik Sane hws tere e Aant ar ste vata aig he meta Ciae INGTON Wet lignan gh ies 
Ill, Hybrid of Labrusca and vinifera, less than one-half vinifera. 
tif 
Brighton.— Ten clusters bagged. ‘‘ Pollen self-irritant.” 
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