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Syngenta Parent Seed Plant

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by

Kayla Petree

on 21 November 2013

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Transcript of Syngenta Parent Seed Plant

Stand count of 70+ fields
17'5'' long sections (1/1000 A)
Syngenta Parent Seed Plant
Washington, IA
Worked under Allen Brush and Joey Ihrig
Week 1
Safety Training
Assisted with Planting
Filled out and submitted ICIA Application
Remainder of the Summer
Parent Seed Corn Inbreds
May
Isolation checks
General scouting for
dead
,
yellowing
,
diseased
, or
insect

damage
Syngenta Parent Seed Plant
Washington, IA
Worked under Allen Brush and Joey Ihrig
June
Purity checks/roguing
Pollen and silk counts
Syngenta Parent Seed Plant
Washington, IA
Worked under Allen Brush and Joey Ihrig
July
Internship Project Presentation!
Syngenta Parent Seed Plant
Washington, IA
Worked under Allen Brush and Joey Ihrig
August
Syngenta Parent Seed Plant
Washington, IA
Worked under Allen Brush and Joey Ihrig

Kayla J. Petree
Production and Supply Intern, Syngenta
Objectives
Were lower germ rates due to drying operations or genetics of heterotic families?
How do dryer operations affect the germination of Syngenta corn inbreds?
Were there any relationships between heterotic families?
Could drying methods be adjusted in order to improve germination rates?
Method
Syngenta Plant harvests corn and dry down to ~12.5% moisture
Dryer bins collect data while corn is being dried
Gather and identify desired data--bin depth, dry rate, harvest moisture, etc.
Use statistical software to analyze data and create easily understood graphs
Analyze graphs to determine if changes can be made to dryer operations to improve germs
Results: Raw Seed
Results: Sized Seed
Results
Parent Seed Drying Operations:
What can we do to improve germs and vigor?
Conclusions
To improve germ rates we need to maximize bin depth
Slower dry rates = better germs
Dry rates between 4-6 hrs correlate with higher germ rates
Optimum harvest is around 28-30% (used ~34% in the past)
In 2011, at the USWN site, the value for every 1% increase in warm germ for male heterotic inbreds is ~$35,000.
Why is this important?
Questions?
Golf Outing
mid-July
Syngenta Fun
Introduction to Parent Seed
Focuses on growth and development of corn inbreds
At harvest corn is put into bins and dried down
Data is recorded during this time
Seed subjected to a warm and vigor germination test
Seed is sized and tested again
Strive for 90% warm germ rate and vigor germ rate of 80%
Certain Syngenta inbreds can be problematic--particularly males
Parent Seed Drying Operations: What can we do to improve germs and vigor?
Full transcript