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首页> 外文期刊>Journal of Science and Technology of Greenhouse Culture >The effect of different levels of vermicompost and photoperiod on greenhouse production of medicinal plant stevia (Stevia rebaudiana Bertoni)
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The effect of different levels of vermicompost and photoperiod on greenhouse production of medicinal plant stevia (Stevia rebaudiana Bertoni)

机译：不同水平的堆肥和光周期对药用植物甜叶菊（Stevia rebaudiana Bertoni）温室生产的影响

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Stevia )Stevia rebaudiana Bertoni) leaves are strong natural sweeteners, with no calories, which can be used as a substitute for sugar in food and beverage industries. When the day length is less than 13 hours, stevia goes to flowering stage and the content of sweetening substances decreases. In low temperatures, this plant goes to dormancy phase. It would be possible to produce stevia leaves all year round in the greenhouse by adjusting the photoperiod and temperature. This study was conducted as a factorial experiment, based on completely randomized design with two factors. Treatments were 3 photoperiods (short winter days, interrupting nights for 1.5 hours at midnight, and long days) and 3 levels of vermicompost (0, 10 and 20% v/v) as substrate. According to the results, flowering was observed only in the control plants kept in winter short days. The highest leaf yield was produced in 20% vermicompost treatment with interrupting nights. In the same treatment, the amount of chlorophyll a, total chlorophyll and carotenoid content was increased, while chlorophyll b content was decreased. Therefore, in this experiment, by increasing the day length or interrupting the nights, stevia plants were kept in the growing phase, and adding vermicompost at 20% level to the growth medium improved plant growth and increased the leaf yield. Keywords: Day length, Leaf yield, Natural sweetener, Biologic fertilizer. Full-Text Type of Study: Research | Subject: Ornamental and Medicinal Crop Production Received: 2015/06/15 | Accepted: 2015/06/15 | Published: 2015/06/15 Send email to the article author Related Websites Scientific Publications Commission - Health Ministry Scientific Publications Commission - Science Ministry Yektaweb Company Site Keywords ?????, Academic Journal, Scientific Article, ???? ????? ??, ???? ????? ??, ???? ????? ??, ???? ????? ??, ???? ????? ??, ???? ????? ??, ???? ?? Vote ? 2015 All Rights Reserved | Journal of Science and Technology of Greenhouse Culture -Isfahan University of Technology
机译：甜叶菊（Stevia）（Stevia rebaudiana Bertoni）叶是强力的天然甜味剂，没有卡路里，可以在食品和饮料行业中用作糖的替代品。当一天的时间少于13小时时，甜叶菊进入开花期，甜味剂的含量降低。在低温下，该植物进入休眠阶段。通过调节光周期和温度，有可能全年在温室中生产甜叶菊叶。这项研究是基于两个因素的完全随机设计，作为析因实验进行的。处理方法为3个光周期（冬季短时，在深夜中断夜晚1.5小时和长日）和3种水平的com粉（0、10和20％v / v）作为底物。根据结果​​，仅在冬季短日保存的对照植物中观察到开花。在中断夜晚的情况下，采用20％mi草处理可产生最高的叶片产量。在相同的处理中，叶绿素a的含量，总叶绿素和类胡萝卜素的含量增加，而叶绿素b的含量降低。因此，在该实验中，通过增加白天的长度或中断夜晚，将甜叶菊植物保持在生长期，并且在生长培养基中添加20％的ver藜可以改善植物的生长并提高叶片的产量。关键字：日长，叶片产量，天然甜味剂，生物肥料。全文研究类型：研究|主题：观赏和药用作物产量：2015/06/15 |接受：2015/06/15 |发布：2015/06/15发送电子邮件给文章作者相关网站科学出版物委员会-卫生部科学出版物委员会-科学部Yektaweb公司网站关键字??????，Academic Journal，Scientific Article，???? ?????? ??，???? ?????? ??，???? ?????? ??，???? ?????? ??，???? ?????? ??，???? ?????? ??，???? ??投票吗？ 2015版权所有|温室文化科学技术杂志-伊斯法罕工业大学

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