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IPT对烟草种子萌发及幼苗生长的影响
引用本文:徐向丽 卢秀萍 王翔 易克 王若仲. IPT对烟草种子萌发及幼苗生长的影响[J]. 中国农学通报, 2010, 26(21): 43-48
作者姓名:徐向丽 卢秀萍 王翔 易克 王若仲
作者单位:1. 云南省烟草农业科学研究院,云南玉溪,653100
2. 湖南中烟工业有限责任公司,长沙,410000
3. 湖南农业大学生物科学技术学院,长沙,410128
基金项目:云南省科技厅项目"烟草种子抗逆性及多重抗逆型种衣剂的研究与应用",湖南中烟工业有限责任公司科技项目"不同生态条件下烤烟品种的适应性和适用性研究" 
摘    要:IPT(Isoprothiolane)又称稻瘟灵,被认为能有效促进植物发育并提高其抗性。为了研究IPT对烟草(Nicotiana tabacum)种子萌发、幼根发生及幼苗生长的影响,从而为其在种子加工及包衣方面的应用提供理论依据,本研究通过不同浓度的IPT处理非逆境条件下的烟草种子和幼苗,证明1~10 mg/L IPT可以显著促进种子萌发及胚根的发生,增加烟苗侧根的发生,烟苗长势良好;而IPT浓度过低或过高都不表现促进作用。

关 键 词:奶牛  奶牛  热应激  喷淋降温  温湿指数  自动控制  
收稿时间:2010-07-29
修稿时间:2010-09-09

Effects of IPT on seed germination and seeding growth of tobacco
Xu Xiangli,Lu Xiuping,Wang Xiang,Yi Ke,Wang Ruozhong. Effects of IPT on seed germination and seeding growth of tobacco[J]. Chinese Agricultural Science Bulletin, 2010, 26(21): 43-48
Authors:Xu Xiangli  Lu Xiuping  Wang Xiang  Yi Ke  Wang Ruozhong
Affiliation:1 Yunnan Academy of Tobacco Agricultural Sciences,Yuxi Yunnan 653100;2 China Tobacco Hunan Industrial Co.,Ltd,Changsha 410100;3 College of Bioscience and Biotechnology,Hunan Agricultural University,Changsha 410128)
Abstract:IPT (Isoprothiolane) has been proved to improve the development and resistance of plant.In order to offer a theoretical basis for the processing and pelleting of tobacco seeds,this paper compared effects of different concentration of IPT on seeds germination,seed-roots development and seedings growth of tobacco.The results suggested that the concentration range of IPT such as 1~10 mg/L could obviously improve tobacco seed germination,seed-roots development and seedings growth.The concentration of IPT was not affected the growth of tobacco when it was too low or too high.
Keywords:IPT
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