双价转基因抗虫棉中棉所45的丰产性及生理特性研究  

Study on Physiology Characters and High Yielding Capacity of CCRI 45 with Transgenic Double Genes(Bt+CpTI) Cotton

作　　者：喻树迅[1] 宋美珍[1] 范术丽[1] 原日红[1] 黄祯茂[1] 

机构地区：[1]中国农业科学院棉花研究所农业部棉花遗传改良重点实验室,河南安阳455004

出　　处：《棉花学报》2007年第3期227-232,共6页Cotton Science

基　　金：国家转基因植物研究与产业化开发专项(J00-B-002)

摘　　要：以抗虫棉33B和sGK321为对照品种,研究了双价转基因(Bt+CpTI)抗虫棉中棉所45的农艺性状、生理生化特性及产量和纤维品质特性。结果表明:虽然中棉所45的营养生长速率低于33B和sGK321,但其生殖生长速率高于33B和sGK321;中棉所45的CAT和POD活性高于sGK321,低于33B,中棉所45的SOD活性和叶绿素含量显著高于33B和sGK321,而MDA含量低于33B和sGK321;表明中棉所45的抗氧化酶活性较强。中棉所45结铃性强,铃大,衣分高,因而其产量高,纤维品质好。由此说明,中棉所45生长发育协调性较好,叶功能好,早熟不早衰,具有较高的丰产性和抗逆性。Used insect resistant cotton 33B and sGK 321 as check, we studied yield and fiber quality characters, physiology and biochemical traits, agronomy traits of CCRI 45 with transgenic double genes （Bt＋CpTI） cotton. The results showed that the nutrition growth speed of CCRI 45 were lower than that of 33B and sGK 321, but the reproductive growth speed of CCRI 45 were higher; The CAT and POD activities of CCRI 45 were higher than sGK 321, but lower than 33B; The SOD activities and the chlorophyll contents of CCRI 45 were the highest in the three varieties, but the MDA content of CCRI 45 was the lowest. These results showed that CCRI 45 had strong antioxidant capacity. CCRI 45 had more bolls, bigger boll and higher of the lint percentage than the other two varieties. Therefore, the cotton yield and the fiber quality of CCRI 45 was highest in the three varieties. Because of good characters, the harmony development, the higher function of leaves and the earliness with no senescence, CCRI 45 had high yielding capacity and anti-resistant.

关 键 词：中棉所45 丰产性 抗氧化酶 生理特性 双价转基因抗虫棉 

分 类 号：S562[农业科学—作物学]