Date

Location

Cultural System

Vitazyme/Fertilization

Results

2002

Williamson, New York

Variety:  McIntosh, selection Red Max

Tree age:  13 years, on dwarf root stock

Soil type:  silt loam, 25 in to a hardpan

Harvest date:  Area 1:  September 12;

Area 2:  September 18

Vitazyme application:  13 oz/acre on the leaves using an air-blast sprayer about July 15;  13 oz/acre again on September 1, 12 to 18 days before harvest

Area 1

Flesh firmness:

Control: 17.5 lb/in²
Vitazyme: 17.8 lb/in² (+0.3 lbs/in²)

Percent of soluble solids:

Control: 13.2%
Vitazyme: 14.6% (+1.4 brix)

Area 2

Flesh firmness:

Control: 16.2 lb/in²
Vitazyme: 16.5 lb/in² (+0.3 lbs/in²)

Percent of soluble solids:

Control: 13.0%
Vitazyme: 14.0% (+1.0 brix)

Fertilization:  foliar urea sprays six times, all before June 15, along with the fungicide, at 5 lb/acre (30 to 40 lb of urea/acre total); 400 lb/acre K₂SO₄ in the fall; 1.5 lb/acre Solubor 4 to 5 times with the urea and fungicide

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2003

Sodus, New York

Variety:  Empire (Royal Empire strain)

Tree age:  7-years of full bearing

Tree density:  600 trees/acre

Rootstalk:  M9

Vitazyme application:  24 oz/acre as a foliar spray at pink, petal fall, first cover, and 30 days pre-harvest in 100 gallon/acre sprays.

Fruit pressure:

Control: 16.13 psi
Vitazyme: 16.47 psi (+0.34 point)

Fruit brix:

Control: 12.13
Vitazyme: 12.44 (+0.31 brix)

Fruit grade:

Fruit size less than 2.5 inches in diameter was decreased with Vitazyme, with more in the 2.5 to 2.75 inch size range.

Fertilization:  unknown

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2004

Sodus, New York

Variety:  Gala

Tree age:  8 years

Tree density:  800 trees/acre

Rootstalk:  M9

Weather:  cool and wet

Vitazyme application:  16 oz/acre at first cover, and once again at second cover, with an orchard sprayer in 100 gallons of water per acre

Fruit weight per tree:

Control: 65.50 lb
Vitazyme: 68.21 lb (+4%)

Yield per CSTD*:

Control: 34.20 lb
Vitazyme: 37.21 lb (+9%)

*Cross-sectional tree diameter

Apples per tree:

Control: 168.29
Vitazyme: 172.71 (+3%)

Apple yield:

Control: 1,247.62 bu/acre
Vitazyme: 1,299.32 bu/acre (+4%)

Fruit brix:

Control: 11.76
Vitazyme: 11.94 (+0.18 brix)

Mean fruit size:

Control: 6.23 oz
Vitazyme: 6.63 oz (+4%)

Income increase:

+$693.45/acre

Fertilization:  unknown

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2004

Sodus, New York

Variety:  Macoun

Tree age:  10 + years

Population:  450 trees/acre

Trellis:  Y-trellis

Rootstalk:  Mark

Vitazyme application:  24 oz/acre at pink, again at petal fall, a third time at first cover, and once again 30 days before harvest, with an orchard sprayer in 100 gallons of water per acre

Fruit weight per tree:

Control: 100.71 lb
Vitazyme: 107.93 lb (+7%)

Yield per CSTD*:

Control: 25.73 lb
Vitazyme: 28.57 lb (+11%)

*Cross-sectional tree diameter

Apples per tree:

Control: 252.71
Vitazyme: 260.43 (+3%)

Apple yield:

Control: 1,079.1 bu/acre
Vitazyme: 1,156.4 bu/acre (+6%)

Fruit brix:

Control: 12.16
Vitazyme: 12.24 (+0.08 brix)

Mean fruit size:

Control: 6.38 oz
Vitazyme: 6.63 oz (+4%)

Fruit pressure:

Control: 17.49 lb/in²
Vitazyme: 17.53 lb/in² (+0.04 lb/in²)

% of red color on skins:

Control: 63.57 %
Vitazyme: 65.00 % (+1.43 percentage points)

Apple income:

Control: $7,693.98/acre
Vitazyme: $8,476.41/acre (+$782.43)

Fertilization:  unknown

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2004

Sodus, New York

Variety:  Empire (Royal)

Tree age:  8 years (full bearing)

Population:  600 trees/acre

Rootstalk:  M9

Vitazyme application:  24 oz/acre at pink, again at petal fall, a third time at first cover, and once again 30 days before harvest, with an orchard sprayer in 100 gallons of water per acre

Fruit weight per tree:

Control: 52.43 lb
Vitazyme: 55.64 lb (+6%)

Yield per CSTD*:

Control: 20.97 lb
Vitazyme: 22.26 lb (+6%)

*Cross-sectional tree diameter

Apples per tree:

Control: 149.43
Vitazyme: 154.14 (+3%)

Apple yield:

Control: 748.98 bu/acre
Vitazyme: 794.90 bu/acre (+6%)

Fruit brix:

Control: 10.84
Vitazyme: 11.21 (+0.37 brix)

Mean fruit size:

Control: 5.61 oz
Vitazyme: 5.78 oz (+3%)

Fruit pressure:

Control: 17.76 lb/in²
Vitazyme: 18.04 lb/in² (+0.28 lb/in²)

Apple income:

Control: $5,085.57/acre
Vitazyme: $5,476.86/acre (+$391.29)

Fertilization:  unknown