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Table 1 Commercially available transgenic cotton varieties examined in 2000.
Cry1Ac a Parental Background Cry1Ac a + Herbicide-Resistance Trait b Parental Background
DP 20B c DP 20 c DP 409B/RR c DP 5409 c
DP 50B c DP 50 c DP 422B/RR c DP 20 c
NuCOTN 33B c DP 5415 c DP 451B/RR c DP 51 c
DP 428B c DP 51 c DP 458B/RR c DP 5415 c
ST 4691B d ST 474 d SG 125B/RR e SG 125 e
PM 1218B/RR f PM 1220 f
ST 4892B/RR d ST 474 d
PM 2280B/RR f HS200 f
a Bollgard®; Monsanto Co., St. Louis, MO).
b Roundup Ready®; Monsanto Co., St. Louis, MO).
c Delta & Pineland® variety (Delta & Pineland Co., Scott, MS).
d Stoneville Pedigree Seed variety (Memphis, TN).
e Sure-Grow® variety (Delta & Pineland Co., Scott, MS).
f Paymaster® variety (Delta & Pineland Co., Scott, MS).
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