光质对红秋葵幼苗生长和生理特征影响
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摘要
目的:考察光质对红秋葵幼苗生长的影响。方法:以红秋葵"艳娇1号"为试验材料,采用单因素随机区组设计,将子叶展平后的幼苗转入荧光灯(FL,对照)、蓝光(B)、红光(R)、蓝红复合光(BR_(1∶1)和BR_(3∶7))的稀土植物光下进行照射,考察不同光质对生长指标、根系活力、光合色素和类黄酮含量的影响。结果:幼苗的鲜样质量、干样质量、茎粗均以BR_(3∶7)处理最大;株高和根长以BR_(1∶1)处理下最大;BR_(1∶1)处理根系活力最高,其次为BR_(3∶7)处理;叶绿素和类胡萝卜素均以BR_(1∶1)处理最大;BR_(3∶7)处理下类黄酮含量最高,其次为BR_(1∶1)处理。结论:BR_(3∶7)和BR_(1∶1)均能促进幼苗的生长,并显著提高了其光合色素和类黄酮的含量,因此可采用BR_(3∶7)与BR_(1∶1)作为红秋葵育苗的首选光源。
Objective:To investigate the effect of light quality on the growth of red okra seedlings. Methods: The cotyledon flattened seedlings were irradiated under fluorescent lamp(FL, control), blue light(B), red light(R), blue plus red light(BR_(1∶1) and BR_(3∶7)) by using single factor random block design. The effects of different light qualities on growth index, root activity, photosynthetic pigments and flavonoid were investigated. Results: The results showed that the fresh mass, dry mass and stem diameter of seedlings were the highest under BR_(3∶7) treatment; stem length and root length were the highest under BR_(1∶1) treatment; root activity was the highest under BR_(1∶1) treatment, followed by BR_(3∶7) treatment; chlorophyll and carotenoid contents of seedlings were the highest under BR_(1∶1) treatment; flavonoid content of okra seedlings under BR_(3∶7) treatment was the highest, followed by BR_(3∶7) treatment.Conclusion: BR_(3∶7) and BR_(1∶1)can promote the growth of red okra seedlings, and significantly increase the content of photosynthetic pigments and flavonoid in leaves. BR_(3∶7) and BR_(1∶1) can be used as artificial light sources.
Objective:To investigate the effect of light quality on the growth of red okra seedlings. Methods: The cotyledon flattened seedlings were irradiated under fluorescent lamp(FL, control), blue light(B), red light(R), blue plus red light(BR_(1∶1) and BR_(3∶7)) by using single factor random block design. The effects of different light qualities on growth index, root activity, photosynthetic pigments and flavonoid were investigated. Results: The results showed that the fresh mass, dry mass and stem diameter of seedlings were the highest under BR_(3∶7) treatment; stem length and root length were the highest under BR_(1∶1) treatment; root activity was the highest under BR_(1∶1) treatment, followed by BR_(3∶7) treatment; chlorophyll and carotenoid contents of seedlings were the highest under BR_(1∶1) treatment; flavonoid content of okra seedlings under BR_(3∶7) treatment was the highest, followed by BR_(3∶7) treatment.Conclusion: BR_(3∶7) and BR_(1∶1)can promote the growth of red okra seedlings, and significantly increase the content of photosynthetic pigments and flavonoid in leaves. BR_(3∶7) and BR_(1∶1) can be used as artificial light sources.
引文
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[22] 阮美颖,万红建,叶青静,等.番茄查尔酮合成酶基因的鉴定及生物信息学分析[J].分子植物育种,2013,11(3):379-384.
[2] 郑小江,陈晓春,滕树锐,等.湖北省恩施州三种黄精主要有效成分及硒含量对比[J].湖北民族学院学报(自然科学版),2018,36(1):12-14,21.
[3] 滕树锐,刘鹏飞,江念,等.紫鸭跖草总黄酮提取工艺优化及抗氧化研究[J].湖北民族学院学报(自然科学版),2017,35(2):171-175.
[4] 单天禹,梁春英.光伏幕布日光温室大棚测控系统设计[J].黑龙江八一农垦大学学报,2019,31(1):84-89.
[5] 张梦影,温晓蕾,赵美键,等.葡萄尤韦可拟盘多毛孢叶斑病病菌的生物学特性[J].河北科技师范学院学报,2018,32(1):39-42.
[6] 马夫谋.试析营林生产管理工作的措施[J].现代农业研究,2018(2):70-71.
[7] 曹刚.不同LED光质对黄瓜和结球甘蓝苗期生光合、特性及内源激素的影响[D].兰州:甘肃农业大学,2013.
[8] 李慧敏,陆晓民,赵诗浩.LED光质对秋葵幼苗生长、生理特性和气孔特征的影响[J].浙江农业学报,2016,28(6):966-972.
[9] 李慧敏,陆晓民,高青海,等.不同光质对黄秋葵幼苗生长、光合色素和气孔特征的影响[J].草业学报,2016,25(6):62-70.
[10] 陈志,孙庆丽,汪一婷,等.不同光质对油菜幼苗生长的影响[J].农业工程,2013,3(6):143-149.
[11] 崔瑾,马志虎,徐志刚,等.不同光质补光对黄瓜、辣椒和番茄幼苗生长及生理特性的影响[J].园艺学报,2009,36(5):663-670.
[12] 王婷,李雯琳,巩芳娥,等.LED光源不同光质对不结球白菜生长及生理特性的影响[J].甘肃农业大学学报,2011,46(4):69-73.
[13] 王绍清.不同光质的LED光源对鱼腥草生理生化及次生代谢的影响[D].晋中:山西师范大学,2016.
[14] 林魁,黄枝,林碧英,等.光强和红蓝光配比对瓠瓜幼苗生长及生理生化特性的影响[J].西北植物学报,2017,37(3):104-112.
[15] 陈鹏涛,夏木凤,申宝营,等.光质对不同紫叶生菜生长及光合色素的影响[J].浙江农业科学,2017(11):44-46,49.
[16] 陈娴.不同LED光源对韭菜生理特性及品质的影响[D].泰安:山东农业大学,2012.
[17] 闻婧,杨其,魏灵玲,等.不同红蓝LED组合光源对叶用莴苣光合特性和品质的影响及节能评价[J].园艺学,2011,38(4):761-769.
[18] 辛金童.不同光质配比LED灯对芥蓝生长及品质的影响[D].广州:华南农业大学,2012.
[19] 王丽伟.红蓝光质对番茄碳氮代谢和果实品质的影响机制研究与应用[D].北京:中国农业科学院,2017.
[20] 王学奎.植物生理生化实验原理和技术[M].2版.北京:高等教育出版社,2006:190,202.
[21] 胡小军,梁洁贞,张权旺.分光比色法测定水浮莲类黄酮含量的研究[J].中国食品添加剂,2007(6):167-168.
[22] 阮美颖,万红建,叶青静,等.番茄查尔酮合成酶基因的鉴定及生物信息学分析[J].分子植物育种,2013,11(3):379-384.