F500、Opera对甜玉米生理生化指标及产量的影响

为探讨新型杀菌剂F500、Opera对甜玉米叶斑病的生理特性影响,以甜玉米品种农甜88、华珍、库普拉为试材,在甜玉米9叶期进行叶面喷施,研究了其对甜玉米生理生化指标的变化。用F500和Opera喷施处理后发现,3个甜玉米品种的穗位叶的相对叶绿素含量、叶面积指数和净光合速率较对照均显著增加,净光合速率分别比对照增加了1.16、0.21、2.56μmol/m2.s;SOD和POD活性未发生明显变化,CAT活性显著增加,提高1.33倍;鲜苞产量显著增加,提高1.10倍。说明F500和Opera喷施处理能显著影响甜玉米的生理特性、提高叶绿素含量、增加叶面积、增强穗位叶的光合能力、增强抗逆性,提高了鲜苞...

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Published in广东农业科学 Vol. 39; no. 17; pp. 7 - 9
Main Author 冯发强 梁成 周鹏 王青峰 杨瑞春 苏瑞蔼 李小琴
Format Journal Article
LanguageChinese
Published 亚热带农业生物资源保护与利用国家重点实验室/华南农业大学农学院,广东广州,510642%巴斯夫(中国)有限公司,广东广州,510951 2012
Subjects
Opera
凯润
甜玉米
甜玉米
凯润
Opera
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Summary:为探讨新型杀菌剂F500、Opera对甜玉米叶斑病的生理特性影响,以甜玉米品种农甜88、华珍、库普拉为试材,在甜玉米9叶期进行叶面喷施,研究了其对甜玉米生理生化指标的变化。用F500和Opera喷施处理后发现,3个甜玉米品种的穗位叶的相对叶绿素含量、叶面积指数和净光合速率较对照均显著增加,净光合速率分别比对照增加了1.16、0.21、2.56μmol/m2.s;SOD和POD活性未发生明显变化,CAT活性显著增加,提高1.33倍;鲜苞产量显著增加,提高1.10倍。说明F500和Opera喷施处理能显著影响甜玉米的生理特性、提高叶绿素含量、增加叶面积、增强穗位叶的光合能力、增强抗逆性,提高了鲜苞产量。
Bibliography:44-1267/S
FENG Fa-qiang,LIANG Cheng,ZHOU Peng,WANG Qing-feng, YANG Rui-chun,SU Rui-ai,LI Xiao-qin（1.State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources/ College of Agriculture,South China Agricultural University,Guangzhou 510642,China; 2.BASF（China） Company Limited,Guangzhou 510951,China）
sweet corn; F500; Opera
With ＇Nongtian 88＇,＇Bright Jean＇ and ＇Copula＇ as experimental material,the effect of F500 and Opera on physiology and fresh yield were studied.The effect of physiological index such as SOD（superoxide dismutase） activity,POD（polyphenol oxidase） activity and CAT（catalase） activity were detected at milk stage after spraying F500 and Opera at ninth leaf stage.The results showed that F500 and Opera increased the relative chlorophyll content,the leaf area index and net photosynthetic rate,which improved 1.16,0.21 and 2.56 μmol/m2·s respectively.The changes of SOD and POD weren＇t obvious and the CAT activity improved by 1.33 times.The fresh yield increased by 1.10 times at 0.0
ISSN:1004-874X
DOI:10.3969/j.issn.1004-874X.2012.17.003