Scholarlink

<p>Male and female dioecious plants exhibit distinct dimorphic differences in morphology and function. However, the responses of male and female dioecious trees within mixed forests to environmental variation remains unclear. Here, we investigated the sex ratios and locations of female and male trees of the <i>Fraxinus mandshurica</i> species and analysed the morphology and stoichiometry characteristics of vegetative organs across mixed plantation types (<i>F. mandshurica</i> × <i>Larix gmelinii</i> plantation; <i>F. mandshurica</i> × <i>Pinus koraiensis</i> plantation; and <i>F. mandshurica</i> × <i>Picea koraiensis</i> plantation) in temperate forests. Moreover, we measured the rhizosphere soil properties of female and male trees. Our findings revealed a 1:1 sex ratio in the <i>F. mandshurica</i> × <i>Larix gmelinii</i> mixed plantation, whereas the other mixed plantations presented male-biased sex ratios. The female and male trees were more prevalent in the side rows. Radial growth was the primary driver of volume changes in <i>F. mandshurica</i> male and female trees. The diameter at breast height (DBH) and single-tree timber volume (SV) were strongly correlated with the specific leaf area, the nitrogen and phosphorus contents of leaves, and the mean diameters of absorptive roots. Additionally, the ammonium nitrogen contents in the rhizosphere soils of female and male trees were key indicators of responses to the soil physicochemical properties across mixed plantation types. We proposed that sexual dimorphism in morphological and developmental traits underpinned the differential responses of <i>F. mandshurica</i> female and male trees to coniferous species. These results provided insights into the mechanisms driving sex specificity in dioecious trees within mixed plantations.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Spatial development strategies and soil properties of Fraxinus mandshurica female and male plants growing with different coniferous species

  • 期刊论文

  • 发表日期：

    2025年8月22日

查看全文
  • Wei Li,
  • Xing Wei,
  • Qingyu Wei,
  • Chunze Wu

摘要

Male and female dioecious plants exhibit distinct dimorphic differences in morphology and function. However, the responses of male and female dioecious trees within mixed forests to environmental variation remains unclear. Here, we investigated the sex ratios and locations of female and male trees of the Fraxinus mandshurica species and analysed the morphology and stoichiometry characteristics of vegetative organs across mixed plantation types (F. mandshurica × Larix gmelinii plantation; F. mandshurica × Pinus koraiensis plantation; and F. mandshurica × Picea koraiensis plantation) in temperate forests. Moreover, we measured the rhizosphere soil properties of female and male trees. Our findings revealed a 1:1 sex ratio in the F. mandshurica × Larix gmelinii mixed plantation, whereas the other mixed plantations presented male-biased sex ratios. The female and male trees were more prevalent in the side rows. Radial growth was the primary driver of volume changes in F. mandshurica male and female trees. The diameter at breast height (DBH) and single-tree timber volume (SV) were strongly correlated with the specific leaf area, the nitrogen and phosphorus contents of leaves, and the mean diameters of absorptive roots. Additionally, the ammonium nitrogen contents in the rhizosphere soils of female and male trees were key indicators of responses to the soil physicochemical properties across mixed plantation types. We proposed that sexual dimorphism in morphological and developmental traits underpinned the differential responses of F. mandshurica female and male trees to coniferous species. These results provided insights into the mechanisms driving sex specificity in dioecious trees within mixed plantations.