2019 Soybean Maturity Group V RR2X Variety Response to Iron Deficiency Chlorosis

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Publication Number: P3470

Brand	Variety	IDC Tolerance Score1					Avg. IDC Tolerance Score
Dyna-Gro	S52XT08	3	5	5	4	1	3
Dyna-Gro	S54XT17	3	4	4	3	2	3
NK	S53-F7X	4	5	5	3	2	3
Armor	51-D77	4	5	5	4	2	4
Asgrow	AG55X7	4	4	4	4	2	4
Credenz	CZ 5299X	4	5	5	4	4	4
Delta Grow	52X05	4	5	5	4	2	4
Delta Grow	54X25	3	5	5	4	2	4
Dyna-Gro	S52SX39	4	5	5	4	2	4
Dyna-Gro	S56XT99	4	5	5	4	3	4
Great Heart	GT-5528X	4	6	6	4	3	4
Local Seed	LS5087X	5	5	5	4	2	4
Local Seed	LS5588X	5	5	5	4	2	4
Pioneer	P54A54X	5	5	5	4	2	4
Progeny	P 5252 RX	4	5	5	4	3	4
Progeny	P 5688 RX	4	5	5	5	3	4
Terral	REV 5659X	4	5	5	4	2	4
Local Seed	LS5386X	6	5	5	5	3	5
Progeny	P 5554 RX	4	5	5	5	4	5
Armor	52-D71	6	7	7	6	4	6
Progeny	P 5170 RX	6	6	6	6	4	6
AgriGold	G5000RX	7	8	8	7	7	7
Asgrow	AG52X9	7	7	7	7	5	7
NK	S51-R3XS	8	8	8	7	7	7
Progeny	P 5016 RXS	8	7	7	7	6	7
Asgrow	AG53X10	8	8	8	8	7	8
Asgrow	AG53X9	8	8	8	8	8	8

1Tolerance scores were assigned on a scale of 1 to 10 with 1 being completely tolerant and 10 being completely susceptible.

These data are intended to serve as an additional resource for variety selection specifically for soils with a history of problems associated with iron deficiency chlorosis. Consult other sources such as results from official variety trials and demonstration programs for detailed information regarding variety performance.

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The information given here is for educational purposes only. References to commercial products, trade names, or suppliers are made with the understanding that no endorsement is implied and that no discrimination against other products or suppliers is intended.

Publication 3470

By Trent Irby, PhD, Associate Extension Professor, Plant and Soil Sciences; Alanna Scholtes, Extension Associate, Plant and Soil Sciences; Garrett Oswalt, Extension Associate, Plant and Soil Sciences; Charlie Stokes, PhD, Area Extension Agent IV, Monroe County; and Brad Burgess, Director, Variety Testing.

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Extension Service of Mississippi State University, cooperating with U.S. Department of Agriculture. Published in furtherance of Acts of Congress, May 8 and June 30, 1914. GARY B. JACKSON, Director

Department: Plant and Soil Sciences

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