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DuPont Pioneer PACTS Book 2013/14

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Hybrid Descriptions<br />

PR39G12<br />

» Intermediate Maturity » Maturity Class 5<br />

» Primary End Use: Forage<br />

PR39G12 is an impressive, very large stature, later maturing and very high yielding hybrid. PR39G12 is a popular choice of<br />

growers who wish to exploit their warm favourable maize fields by maturing a high yielding crop of high starch content silage.<br />

Hybrid Characteristics<br />

• Single cross<br />

• Tall, large stature hybrid<br />

Grown In The Open<br />

• Adapted to light to medium soils<br />

in southern areas of England<br />

and also warmer sites in the<br />

Midlands and East Anglia<br />

Grown Using The Samco System<br />

• PR39G12 is not normally grown<br />

under film<br />

Hybrid Specific Agronomic Advice<br />

Grown In The Open<br />

Forage Seed Rate*<br />

Early Vigour<br />

Lodging<br />

Stay-green<br />

Film Penetration Ability<br />

40,000 Seeds/Acre<br />

Good<br />

Average<br />

Very Good<br />

Not Applicable<br />

* Assumes estimated plant establishment losses at sowing of < 5%<br />

PR39T83<br />

» Late Maturity » Maturity Class 4<br />

» Primary End Use: Forage<br />

PR39T83 is only suitable for planting under the Samco System in the UK and Ireland. In both trials and commercial use<br />

it has produced very high forage dry matter yields of good starch content. It has a tendency to double cob when grown<br />

under film and this is partly responsible for its high silage dry matter and starch yields when grown using the Samco<br />

System. PR39T83 has shown good resistance to eyespot (Aureobasidium zeae).<br />

Hybrid Characteristics<br />

• Single cross with flint grain<br />

• High grain yields<br />

Grown In The Open<br />

• Not normally grown in the<br />

open<br />

Grown Using The Samco System<br />

• For silage production in the UK<br />

and Ireland except in the most<br />

unfavourable sites in northern<br />

counties<br />

Hybrid Specific Agronomic Advice<br />

Samco System**<br />

Forage Seed Rate*<br />

Early Vigour<br />

Lodging<br />

Stay-green<br />

Film Penetration Ability**<br />

40 – 42,000 Seeds/Acre<br />

Good<br />

Good<br />

Very Good<br />

Good<br />

* Assumes estimated plant establishment losses at sowing of < 5%<br />

** Speed and extent of film penetration will vary slightly according to weather conditions, planting date and type of film used. Only<br />

use films approved by SAMCO and Maizetech.<br />

15

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