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作者李响珍（2019）在《水稻发芽期亚干旱对苗期、孕穗期与开花期耐冷性的影响》一文中研究指出：为探讨水稻发芽期亚干旱预处理对苗期、孕穗期与开花期耐冷性的影响,以增进对水稻耐冷性的认识并为水稻的耐冷栽培提供参考,以水稻中花11号、巴西旱稻、Y两优1号及9311为材料,在它们的发芽期以15%的PEG6000作为模拟亚干旱预处理(试验组),然后,在它们的苗期、孕穗期及开花期,在人工气候箱中对它们进行冷处理,比较分析了发芽期亚干旱预处理组与发芽期非亚干旱预处理组(对照组)间在秧苗存活率、相对电导率、叶片相对含水量与失水率、光合色素含量、Rubisco活力、光合气体交换参数、花粉育性、结实率等指标差异。得到如下结果:1、发芽期亚干旱预处理,苗期5℃冷处理4天,恢复生长7天后,中花11号、巴西旱稻、Y两优1号及9311秧苗成活率分别为92%、25%、54%、2%,而发芽期未进行亚干旱预处理的对照组秧苗成活率分别为90%、8%、38%、1%。2、发芽期亚干旱预处理组与对照组幼苗生长势差异显著,株高增加16.35%-26.68%;根长增加7.11%-19.18%,其中Y两优1号与9311增幅显著。3、发芽期亚干旱预处理,苗期冷处理4天并恢复3天后测量,中花11号、巴西旱稻、Y两优1号幼苗叶片相对电导率显著低于对照组,9311无明显差异;除巴西旱稻外,其余3个水稻品种脯氨酸含量明显高于对照组。4、发芽期亚干旱预处理,苗期冷处理4天并恢复3天后测量,Y两优1号与9311秧苗叶片相对含水量显著高于对照组,其他材料差异不显著;9311秧苗叶片失水率显著低于对照组,其他材料差异不显著。5、发芽期亚干旱预处理,苗期冷处理4天并恢复3天后测量,所有材料幼苗叶绿素含量均高于对照组,其中中花11号增幅最大。除巴西旱稻类胡萝卜素含量低于对照组外,其他材料均高于对照组。6、发芽期亚干旱预处理,孕穗期18℃(光期,12h)/16℃(暗期,12h)冷处理7天后,3个供试的材料中,巴西旱稻与Y两优1号的花粉育性明显高于对照组,而中花11号与对照组差异不明显;巴西旱稻的结实率也显著高于对照组,而Y两优1号和中花11号和其对照组差异不明显;光合色素、光合气体交换参数等生理指标在两组间差异不显著。7、发芽期亚干旱预处理,开花期18℃(光期,12h)/16℃(暗期,12h)冷处理7天后,2个供试的材料中,巴西旱稻的结实率显著高于对照组,而中花11号和其对照组差异不明显;光合色素、光合气体交换参数等生理指标在两组间差异不显著。上述初步结果表明:发芽期亚干旱能明显增强苗期耐冷性并促进幼苗生长;发芽期亚干旱对孕穗期和开花期的耐冷性也有一定影响,但因材料不同而异。
Abstract
wei tan tao shui dao fa ya ji ya gan han yu chu li dui miao ji 、yun sui ji yu kai hua ji nai leng xing de ying xiang ,yi zeng jin dui shui dao nai leng xing de ren shi bing wei shui dao de nai leng zai pei di gong can kao ,yi shui dao zhong hua 11hao 、ba xi han dao 、Yliang you 1hao ji 9311wei cai liao ,zai ta men de fa ya ji yi 15%de PEG6000zuo wei mo ni ya gan han yu chu li (shi yan zu ),ran hou ,zai ta men de miao ji 、yun sui ji ji kai hua ji ,zai ren gong qi hou xiang zhong dui ta men jin hang leng chu li ,bi jiao fen xi le fa ya ji ya gan han yu chu li zu yu fa ya ji fei ya gan han yu chu li zu (dui zhao zu )jian zai yang miao cun huo lv 、xiang dui dian dao lv 、xie pian xiang dui han shui liang yu shi shui lv 、guang ge se su han liang 、Rubiscohuo li 、guang ge qi ti jiao huan can shu 、hua fen yo xing 、jie shi lv deng zhi biao cha yi 。de dao ru xia jie guo :1、fa ya ji ya gan han yu chu li ,miao ji 5℃leng chu li 4tian ,hui fu sheng chang 7tian hou ,zhong hua 11hao 、ba xi han dao 、Yliang you 1hao ji 9311yang miao cheng huo lv fen bie wei 92%、25%、54%、2%,er fa ya ji wei jin hang ya gan han yu chu li de dui zhao zu yang miao cheng huo lv fen bie wei 90%、8%、38%、1%。2、fa ya ji ya gan han yu chu li zu yu dui zhao zu you miao sheng chang shi cha yi xian zhe ,zhu gao zeng jia 16.35%-26.68%;gen chang zeng jia 7.11%-19.18%,ji zhong Yliang you 1hao yu 9311zeng fu xian zhe 。3、fa ya ji ya gan han yu chu li ,miao ji leng chu li 4tian bing hui fu 3tian hou ce liang ,zhong hua 11hao 、ba xi han dao 、Yliang you 1hao you miao xie pian xiang dui dian dao lv xian zhe di yu dui zhao zu ,9311mo ming xian cha yi ;chu ba xi han dao wai ,ji yu 3ge shui dao pin chong fu an suan han liang ming xian gao yu dui zhao zu 。4、fa ya ji ya gan han yu chu li ,miao ji leng chu li 4tian bing hui fu 3tian hou ce liang ,Yliang you 1hao yu 9311yang miao xie pian xiang dui han shui liang xian zhe gao yu dui zhao zu ,ji ta cai liao cha yi bu xian zhe ;9311yang miao xie pian shi shui lv xian zhe di yu dui zhao zu ,ji ta cai liao cha yi bu xian zhe 。5、fa ya ji ya gan han yu chu li ,miao ji leng chu li 4tian bing hui fu 3tian hou ce liang ,suo you cai liao you miao xie lu su han liang jun gao yu dui zhao zu ,ji zhong zhong hua 11hao zeng fu zui da 。chu ba xi han dao lei hu luo bo su han liang di yu dui zhao zu wai ,ji ta cai liao jun gao yu dui zhao zu 。6、fa ya ji ya gan han yu chu li ,yun sui ji 18℃(guang ji ,12h)/16℃(an ji ,12h)leng chu li 7tian hou ,3ge gong shi de cai liao zhong ,ba xi han dao yu Yliang you 1hao de hua fen yo xing ming xian gao yu dui zhao zu ,er zhong hua 11hao yu dui zhao zu cha yi bu ming xian ;ba xi han dao de jie shi lv ye xian zhe gao yu dui zhao zu ,er Yliang you 1hao he zhong hua 11hao he ji dui zhao zu cha yi bu ming xian ;guang ge se su 、guang ge qi ti jiao huan can shu deng sheng li zhi biao zai liang zu jian cha yi bu xian zhe 。7、fa ya ji ya gan han yu chu li ,kai hua ji 18℃(guang ji ,12h)/16℃(an ji ,12h)leng chu li 7tian hou ,2ge gong shi de cai liao zhong ,ba xi han dao de jie shi lv xian zhe gao yu dui zhao zu ,er zhong hua 11hao he ji dui zhao zu cha yi bu ming xian ;guang ge se su 、guang ge qi ti jiao huan can shu deng sheng li zhi biao zai liang zu jian cha yi bu xian zhe 。shang shu chu bu jie guo biao ming :fa ya ji ya gan han neng ming xian zeng jiang miao ji nai leng xing bing cu jin you miao sheng chang ;fa ya ji ya gan han dui yun sui ji he kai hua ji de nai leng xing ye you yi ding ying xiang ,dan yin cai liao bu tong er yi 。
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论文作者分别是来自湖南师范大学的李响珍，发表于刊物湖南师范大学2019-10-31论文，是一篇关于水稻论文,亚干旱论文,苗期论文,生殖生长期论文,耐冷性论文,湖南师范大学2019-10-31论文的文章。本文可供学术参考使用，各位学者可以免费参考阅读下载，文章观点不代表本站观点，资料来自湖南师范大学2019-10-31论文网站，若本站收录的文献无意侵犯了您的著作版权，请联系我们删除。