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据国际棉花咨询委员会 (ICAC)估计 ,2 0 0 1 /0 2年度美国棉花种植面积为 5 70万公顷 ,其中转基因抗棉铃虫和抗除草剂品种占 78% (2 0 0 0 /0 1年度为76 % )。 品 种面积比例 / %PM2 32 6 RR 11.4PM12 18BG/ RR 10 .7DP45 1B/ RR 6 .4ST4892 BR 5 .8PM 2 2 0 0 RR 5 .6DP 45
According to the International Cotton Advisory Committee (ICAC), the estimated area of cotton acreage in the United States in 2005-01 was 5700000 hectares, of which 78% were transgenic cotton bollworm and herbicide resistant varieties (2000/2001 76%). Variety Area Ratio /% PM2 32 6 RR 11.4PM12 18BG / RR 10 .7 DP45 1B / RR 6 .4 ST4892 BR 5 .8 PM 2 2 0 0 RR 5 .6 DP 45