Roundup Ready 2 Xtend®

No dicamba may be used in-crop with seed in the Roundup Ready® Xtend Crop System unless and until approved by the U.S. EPA and the appropriate state agency for such use. As of 7/7/2020, no dicamba formulations are currently registered by the U.S. EPA for in-crop use with seed in the Roundup Ready® Xtend Crop System in the 2021 season.*

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Seed Ratings Key

Rating Scale Plant Height Colors Plant Type Major Gene for Phytophthora Resistance
1-5, 1=Excellent M=Medium BL=Black T=Thin
(little or no side branching)
Rps1a=1,2,10,11,13,15-19
N/A=Not Available MT=Medium-Tall IBL=Imperfect Black
R=Resistance T=Tall BR=Brown I=Intermediate
(moderate side branching)
Rps1c=1-3,6-11,13,15,17,21,23,24
MR=Moderate Resistance   BU=Buff
S=Susceptible   TW=Tawny B=Bushy
(abundant side branching)
Rps1k=1-11,13-15,17,18,21,22
    LTW=Light Tawny
    G=Gray   Rps3a=1-5,8,9,11,13,14,16,18,23,25
    P=Purple
    W=White   S=Susceptible

 

Plant Type Major Gene for Phytophthora Resistance
T=Thin
(little or no side branching)
Rps1a=1,2,10,11,13,15-19
I=Intermediate
(moderate side branching)
Rps1c=1-3,6-11,13,15,17,21,23,24
B=Bushy
(abundant side branching)
Rps1k=1-11,13-15,17,18,21,22
  Rps3a=1-5,8,9,11,13,14,16,18,23,25
  S=Susceptible