Northern Xtra Sweet Xtra-Sweet™

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Northern Xtra Sweet Xtra-Sweet™

Northern Xtra Sweet (YW/ 67d) is one of the earliest supersweet hybrids on the market. Northern Xtra-Sweet has been a staple in the fresh and garden markets for many years and has proven to be a grower friendly corn.

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Product Features

Good seedling vigor
Good seedling vigor
Excellent ear size
Excellent ear size
Traits Description Data*
Kernel Color Yellow
Color Code: YW
 YW
Maturity (Days)
67
 67
Plant Height (Inches)
62
 62
Ear Height (Inches)
18
 18
Number of Kernel Rows
14-16
 14-16
Ear Length (Inches)
8.5-9.25
 8.5-9.25
Ear Diameter (Inches)
1.80-2.00
 1.80-2.00
Husk Color Medium Green
Score: 4
 4

1: Very Dark Green
2: Dark Green
3: Medium - Dark Green
4: Medium Green
5: Medium - Light Green
6: Light Green
7: Very Light Green
Flag Leaves Moderate Flag Leaves
Score: 5
 5

1: Exceptional Flag Leaves
2: Excellent Flag Leaves
3: Very Good Flag Leaves
4: Good Flag Leaves
5: Moderate Flag Leaves
6: Weak Flag Leaves
Husk Protection Weak Coverage
Score: 6
 6

1: Excellent Coverage
2: Very Good Coverage
3: Good Coverage
4: Adequate Coverage
5: Moderate Coverage
6: Weak Coverage
Shank Compact Medium Shank Length
Score: 3
 3

1: Very Compact Shank Length
2: Compact Shank Length
3: Compact Medium Shank Length
4: Medium Shank Length
5: Medium Long Shank Length
6: Long Shank Length
7: Very Long Shank Length
Tenderness Firm Pericarp; Xtra-Sweet Quality
Score: 6
 6

1: Exceptional Tenderness; Reserve Quality
2: Excellent Tenderness; Reserve Quality
3: Very Good Tenderness; Xtra-Tender Quality
4: Good Tenderness; Xtra-Tender Quality
5: Moderate Tenderness; Shipping Quality
6: Firm Pericarp; Xtra-Sweet Quality
Sweetness Moderate Sweetness & Flavor
Score: 5
 5

1: Exceptional Sweetness & Flavor
2: Excellent Sweetness & Flavor
3: Very Good Sweetness & Flavor
4: Good Sweetness & Flavor
5: Moderate Sweetness & Flavor

*Data are representative summaries for hybrid evaluations in Champaign, IL and Plover, WI. Ordinal ratings are on a scale of 1 to 9, where 1 indicates the best value.

Disease and Herbicide Reactions
GW
PS
NCLB
MDM
HPPD/ALS T

Tolerant

GW = Goss’s Wilt (Clavibacter michiganensis subsp. nebraskensis)
PS = Common Rust (Puccinia sorghi)
NCLB = Northern Corn Leaf Blight (Exserohilum turcicum)
MDM = Maize dwarf mosaic (Maize Dwarf Mosaic Virus), also resistant to HPV (High Plains Virus) and SCMV (Sugarcane Mosaic Virus)
HPPD/ALS = Indicates reaction to ALS and HPPD inhibiting herbicides. Examples of herbicides with these modes of action are Accent (ALS), Callisto (HPPD), and Laudis (HPPD). Always read and follow herbicide label instructions.