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首页> 外文期刊>Acta Horticulturae >Flowering and nectar characteristics of Tilia amurensis, T. mandshurica and T. insularis
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Flowering and nectar characteristics of Tilia amurensis, T. mandshurica and T. insularis

机译：TiLia Amurensis，T.Mandshurica和T.Sheularis的开花和花蜜特征

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摘要

Floral nectar is secreted by the nectary which is composed of the epidermis, glandular tissue and nectary parenchyma cells, and located on various floral parts. Nectar which helps entomophilous plants with pollination is the key reward to pollinators.Therefore, plants and pollinators have a symbiotic relationship. The path of nectar secretion flows through the modified stomata distributed in nectary area and the mechanism of secretion starts from phloem sap. Before, during, and after nectar secretion, the sucrose stored in nectary parenchyma cells is hydrolyzed by invertase. Nectar is primarily composed of water, sugar, amino acid, protein, organic acid, mineral, and vitamin. Furthermore, nectar sugar is comprised of sucrose and hexoses (glucose and fructose). Amino acids represent a smaller part of total nectar composition compared to sugar. However, they play a key role determining the taste of nectar. In this research, the flowering time, sugar and amino acid content of Tilia amurensis, T. mandshurica and T. insularis were investigated. Free sugar content and sucrose/hexose ratio varied according to the species (T. amurensis: 39.5±18.6 ug pL1 and 1.1; T. mandshurica: 18.2±3.5 ug pL 1 and 1.2; T. insularis: 18.2±7.4 pg pL1 and 1.4). Althoughthree species showed different flowering periods and similar flower size, T. amurensis showed the highest free sugar content. Flower size of three Tilia species was 1 cm averagely. Since these flowers are pollinated by small pollinators such as honeybees and flies requiring relatively low energy, evolutionarily, Tilia floral nectar might produce relatively few sugars. In addition, proline which taste can be detected by insects such as honeybees was the most abundant (27.4~45.8%) in the three species.
机译：花卉花蜜由黄土核心分泌，由表皮，腺体组织和土壤细胞组成，并位于各种花卉零件上。花蜜有助于诱导授粉的诱导植物是对粉丝兵的关键奖励。因此，植物和粉丝犬具有共生关系。花蜜分泌的路径流过分布在土地面积中的改性气孔，分泌机制从韧皮柱SAP开始。在Nectar分泌之前，期间和之后，通过转化酶水解储存在粪核癌细胞中的蔗糖。花蜜主要由水，糖，氨基酸，蛋白质，有机酸，矿物和维生素组成。此外，花蜜糖由蔗糖和己糖（葡萄糖和果糖）组成。与糖相比，氨基酸代表总蜜腺组分的较小部分。然而，他们发挥着决定花蜜的味道的关键作用。在本研究中，研究了Tilia Amurensis的开花时间，糖和氨基酸含量，T.Mandshurica和T. Insularis。根据物种（T.Amurensis：39.5±18.6ug PL1和1.1; T.Mandshurica：18.2±3.5 UG PL1和1.2; T. Insularis：18.2±7.4 pg pl1和1.4 ）。虽然种类表现出不同的开花时期和类似的花大小，T.Amurensis显示出最高的糖含量。三个蒂利亚种的花大小平均为1厘米。由于这些鲜花被小型粉粉授粉，例如蜜蜂和需要相对较低的能量，进化的苍蝇，蒂利亚花卉花卉可能会产生相对较少的糖。此外，脯氨酸可通过昆虫（如蜜蜂）检测到三种物种中最丰富（27.4〜45.8％）。

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  • 来源
    《Acta Horticulturae》 |2018年第1229期|共5页
  • 作者

    M.S. Kim; A.S. Lee; D.B. Kang; S.H. Kim;

  • 作者单位

    Division of Special Purpose Tree National Institute of Forest Science Suwon Republic of Korea;

    Division of Special Purpose Tree National Institute of Forest Science Suwon Republic of Korea;

    Division of Special Purpose Tree National Institute of Forest Science Suwon Republic of Korea;

    Division of Special Purpose Tree National Institute of Forest Science Suwon Republic of Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 园艺;
  • 关键词

    honey tree; honey potential; nectar composition; Tilia species; nectar collection;

    机译：蜂蜜树;蜂蜜潜力;花蜜组成;蒂利亚物种;花蜜收藏;

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