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首页> 外文期刊>Australian Journal of Crop Science >Biomass, content, yield and chemical composition of mint (Mentha x villosa Huds.) essential oil in response to withholding irrigation
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Biomass, content, yield and chemical composition of mint (Mentha x villosa Huds.) essential oil in response to withholding irrigation

机译：保留灌溉对薄荷（Mentha x villosa Huds。）精油的生物量，含量，产量和化学成分的影响

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The current work aimed at evaluating the influence of withholding irrigation on biomass production, content, yield and chemical composition of mint essential oil. The experimental design was completely randomized with five treatments and eight repetitions; totally forty plots; being conducted in pots inside a greenhouse for 58 days. The treatments consisted of withholding irrigation (NS) at different levels: control (daily constant irrigation at day zero by withholding irrigation), light NS (withholding irrigation for three days before harvesting), intermediate NS (withholding irrigation for six days before harvesting), severe NS (withholding irrigation for nine days before harvesting) and very severe NS withholding irrigation for twelve days before harvesting). Then, the following characteristics were evaluated: shoot fresh mass (SFM), shoot dry mass (SDM), root fresh mass (RFM), root dry mass (RDM), root volume (RV), conten , yield and chemical composition of mint essential oil. Results indicated that some characteristics were affected by withholding irrigation, such as SFM RFM, RDM, RV and some essential oil components (i.e. 3-octanol; linalool; limonene; p-cymen-8-ol; 3-octanol, acetate; cis-β–ocimene and cis-Piperitone epoxide). However, there was no significant difference between content and yield. Therefore, the current study showed that suppressing irrigation for 12 days before harvesting (very severe NS) did not affect plant development, since mint is commercialized in dry form.
机译：当前的工作旨在评估禁水灌溉对薄荷精油生物量生产，含量，产量和化学成分的影响。实验设计完全随机化，进行了五次治疗和八次重复。总共四十个地块;在温室内的花盆中进行58天。处理方法包括不同水平的暂留灌溉（NS）：控制（每天零灌溉，每天进行暂留灌溉），轻度NS（收获前三天保留灌溉），中度NS（收获前六天保留灌溉），严重的NS（收割前要灌溉9天）和非常严重的NS收割前要灌溉12天）。然后，评估以下特征：茎鲜质量（SFM），茎干质量（SDM），根鲜质量（RFM），根干质量（RDM），根体积（RV），含量，薄荷的产量和化学组成香精油。结果表明，禁水灌溉会影响某些特性，例如SFM RFM，RDM，RV和某些精油成分（例如3-辛醇;芳樟醇;柠檬烯;对伞花基-8-醇; 3-辛醇，乙酸酯;顺式- β-奥美精和顺式-Piperitone环氧）。但是，含量和产率之间没有显着差异。因此，当前的研究表明，在收获前抑制灌溉12天（非常严重的NS）不会影响植物发育，因为薄荷是以干燥形式商业化的。

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