在不同播种率和收获制度下种植蒲公英的初步结果

IF 1.3 Q3 AGRONOMY Agrosystems, Geosciences & Environment Pub Date : 2024-07-03 DOI:10.1002/agg2.20521
Elena Basso, Cristina Pornaro, Giampaolo Zanin, Michele Giannini, Stefano Macolino
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摘要

过去,有几种野生植物被人类作为食物广泛食用。蒲公英 [Taraxacum officinale (L.) Weber ex F.H. Wigg] 是一种具有显著营养和药用价值的野生植物。许多研究都对蒲公英中有益于人类健康的化学成分进行了调查。然而,关于该物种的种植和相关生产的研究却很少。通过这项研究,我们打算调查一些栽培方法,以便开始确定意大利北部蒲公英栽培的有效规程。我们比较了两种播种率(0.14 和 0.55 克 m-2)和两种收割制度(叶片长到 20 厘米时和一周后)。每次收割时都测定了叶片鲜重产量,并测量了以下形态参数:株高、每平方米植株数、每平方米叶片数、叶面积指数、每株叶片数、叶片重量和叶片比重。研究发现,蒲公英的产量不受播种率的影响,不同收割制度之间也没有显著差异。延迟收割制度仅在第一次收割时具有优势,因为它允许更长的建植阶段,从而获得更高的产量。在两种收割方式和两种播种率下,前两刀和第三、四刀叶片中的硝酸盐含量都不同。
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Preliminary results of dandelion cultivation under different seeding rates and harvest regimes

In the past, several wild plants were widely consumed as food by humans. Dandelion [Taraxacum officinale (L.) Weber ex F.H. Wigg] is a wild species with remarkable nutritional and medicinal properties. Many studies have investigated the chemical components of the plant for human health. Nonetheless, little research has been carried out on the cultivation and related production of this species. With this study, we intend to investigate some cultural practices to start defining an efficient protocol for dandelion cultivation in northern Italy. Two seeding rates (0.14 and 0.55 g m−2) and two harvest regimes (when leaves reached a length of 20 cm and 1 week later) were compared. Leaf fresh weight yield was determined at each harvest, and the following morphological parameters were measured: plant height, number of plants per square meter, number of leaves per square meter, leaf area index, number of leaves per plant, leaf weight, and specific leaf weight. The productivity of dandelion was found to be unaffected by the seeding rate, and no significant differences were found between harvest regimes. The delayed harvest regime was only advantageous at the first cut as it allowed for a longer establishment phase, resulting in a higher yield. The nitrate content in the leaves differed between the first two cuts and the third and fourth cuts with both harvest regimes and both sowing rates.

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来源期刊
Agrosystems, Geosciences & Environment
Agrosystems, Geosciences & Environment Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)
CiteScore
2.60
自引率
0.00%
发文量
80
审稿时长
24 weeks
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