| 不同基质对闭鞘姜生长发育和光合作用的影响 |
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| 引用本文： | 刘晓荣,吴志,徐扬,韩庆斌,王代容.不同基质对闭鞘姜生长发育和光合作用的影响[J].热带作物学报,2021,42(11):3206-3211. |
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| 作者姓名： | 刘晓荣 吴志 徐扬 韩庆斌 王代容 |
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| 作者单位： | 广东省农业科学院环境园艺研究所/广东省园林花卉种质创新综合利用重点实验室,广东广州 510640 |
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| 基金项目： | 广东省科技计划项目(2015A020209082);广东省农业科学院“新兴学科团队创意农业研究团队”项目 |
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| 摘 要： | 采用随机区组设计,研究不同配比的红壤、泥炭、椰糠和珍珠岩6种基质配方对闭鞘姜生长的影响。测定6种基质的物理和化学性质,观测萌芽率、叶片数、茎粗、株高、株幅、光合日变化、根茎鲜重和根茎干重。结果显示,基质S4（泥炭+椰糠+珍珠岩=1∶2∶2）的植株净光合速率（Pn）显著高于其他基质处理。在6种基质生长的植株叶片净光合速率曲线呈单峰或双峰变化,而蒸腾速率曲线呈单峰变化。最大株高、最大根茎鲜重和根茎干重也出现在基质S4种植的植株。从以上结果可知,基质S4比较适合闭鞘姜的生长和根状茎干物质积累。
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| 关 键 词： | 闭鞘姜 盆栽植物 无土栽培基质 泥炭 椰糠 光合特性 |
| 收稿时间： | 2020-12-28 |
Effects of Different Substrates on the Growth and Development of Costus speciosus |
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| LIU Xiaorong,WU Zhi,XU Yang,HAN Qingbin,WANG Dairong.Effects of Different Substrates on the Growth and Development of Costus speciosus[J].Chinese Journal of Tropical Crops,2021,42(11):3206-3211. |
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| Authors: | LIU Xiaorong WU Zhi XU Yang HAN Qingbin WANG Dairong |
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| Institution: | Environmental Horticulture Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Lab of Ornamental Plant Germplasm Innovation and Utilization, Guangzhou, Guangdong 510640, China |
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| Abstract: | In this study, the effects of six substrates consisting of red soil, peat, coir, and perlite in different proportions on the growth of Costus speciosus were investigated. The physical and chemical properties of the six substrates were measured after mixed. The sprouting rate, leaf number, stem diameter, plant height, plant width, diurnal variation of photosynthetic characteristics, rhizome fresh weight (RFW) and rhizome dry weight (RDW) were measured. The results revealed that the net photosynthetic rate (Pn) in the peat + coir + perlite, 1∶2∶2 (S4), was the greatest. The Pn curves of the six substrates varied in single or double peaks, while the transpiration rate (Tr) curves displayed a single peak. The greatest plant height, RFW and RDW were also observed in S4. Based on the findings, S4 was considered a suitable substrate for C. speciosus growth and dry matter accumulation. |
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| Keywords: | Costus speciosus potting plant soilless substrate peat coir photosynthetic characteristics |
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