Seed ecology of the geophyte        <i >Conopodium majusConopodium majus        (Apiaceae), indicator species of ancient woodland understories and oligotrophic meadows

Blandino C.; Fernández‐Pascual E.; Marin M.; Vernet A.; Pritchard H. W.; Bekker R.

摘要

Abstract > <list formatted="paragraph" style="bulleted" xml:id="plb12872-list-0001"> <listItem> Conopodium majus is a geophyte with pseudomonocotyly, distributed in Atlantic Europe. It is an indicator of two declining European habitats: ancient woodland understories and oligotrophic hay meadows. Attempts to reintroduce it by seed have been hindered by scarce seedling emergence and limited knowledge of its seed biology. </listItem> <listItem> Micro‐CT scanning was used to assess pseudomonocotyly. Embryo growth and germination were studied in the laboratory and the field, using dissection and image analysis. The effects of temperature, light, nitrate and GA <sub>3</sub> on germination were tested. Seed desiccation tolerance was investigated by storage at different RHs and by drying seeds at different stages of embryo growth. </listItem> <listItem> Seeds possess morphological but not physiological dormancy. Embryo growth and germination were promoted by temperatures between 0 and 5?°C, arrested above 10?°C, and indifferent to alternating temperatures, light, nitrate and GA <sub>3</sub> . Pseudomonocotyly appears to result from cotyledon fusion. While seeds tolerated drying to 15% RH and storage for 1?year at 20?°C, viability was lost when storage was at 60% RH. Seeds imbibed at 5?°C for 84?days had significant internal embryo growth but were still able to tolerate drying to 15% RH. </listItem> <listItem> Reproduction by seed in C.?majus follows a strategy shared by geophytes adapted to deciduous temperate forests. The evolution of fused cotyledons may enable the radicle and the hypocotyl to reach deeper into the soil wh </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：ID =“PLB12872-ABS-ABS-0001”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > <list格式=“段落”样式=“项目符号”XML：ID =“PLB12872-list-0001”> <listItem> 康多利姆jajus </ i>是一个与伪组织的地理姿势，分布在大西洋欧洲。这是两次欧洲栖息地的指标：古代林地苏尔科和寡替孕干草草甸。试图通过种子重新引入它的稀缺苗木出现和对其种子生物学的有限知识受到阻碍。 </ listitem> <listitem> Micro-ct扫描用于评估假单胞菌形式。在实验室和现场研究了胚胎生长和发芽，使用解剖和图像分析。测试了温度，光，硝酸盐和Ga <sub> 3 </ sub>对发芽的影响。通过在不同RHS上储存和通过在胚胎生长的不同阶段进行种子来研究种子干燥耐受性。 </ listitem> <listitem>种子具有形态而不是生理休眠。通过0和5？℃的温度促进胚胎生长和发芽，在10？℃以上被停留，并且对交替的温度，光，硝酸盐和Ga> 3 </ sub漠不关心。 Pseudomonocotyly似乎是由子叶融合引起的。虽然将种子耐受干燥至15％RH并储存1？在20℃下储存，但在储存量为60％RH时损失活力。在5Ω℃下吸收的种子84？天具有显着的内部胚胎生长，但仍然能够耐受干燥至15％RH。 </ listitem> <listitem> c.?majus的种子繁殖遵循由适应落叶温带森林的地理系统共享的策略。熔融子叶的演变可以使胚根和缺口达到深入的土壤WH </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-29390/'>《Plant biology》</a> <b style="margin: 0 2px;">|</b><span>2019年第3期</span><b style="margin: 0 2px;">|</b><span>共11页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Blandino C.&option=202" target="_blank" rel="nofollow">Blandino C.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fernández‐Pascual E.&option=202" target="_blank" rel="nofollow">Fernández‐Pascual E.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Marin M.&option=202" target="_blank" rel="nofollow">Marin M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Vernet A.&option=202" target="_blank" rel="nofollow">Vernet A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pritchard H. W.&option=202" target="_blank" rel="nofollow">Pritchard H. W.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bekker R.&option=202" target="_blank" rel="nofollow">Bekker R.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Comparative Plant and Fungal BiologyRoyal Botanic Gardens KewWest Sussex UK;</p> <p>Comparative Plant and Fungal BiologyRoyal Botanic Gardens KewWest Sussex UK;</p> <p>Scotia SeedsBrechin UK;</p> <p>Division of Cardiovascular MedicineWellcome Trust Centre For Human GeneticsRadcliffe UK;</p> <p>Comparative Plant and Fungal BiologyRoyal Botanic Gardens KewWest Sussex UK;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/184.html" title="植物学">植物学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Desiccation tolerance&option=203" rel="nofollow">Desiccation tolerance;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=embryo morphology&option=203" rel="nofollow">embryo morphology;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=morphological dormancy&option=203" rel="nofollow">morphological dormancy;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=pseudomonocotyly&option=203" rel="nofollow">pseudomonocotyly;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=seed germination&option=203" rel="nofollow">seed germination;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=seed storage&option=203" rel="nofollow">seed storage;</a> </p> <div class="translation"> 机译：干燥耐受性;胚胎形态;形态休眠;假单胞菌形式;种子萌发;种子储存; 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Seed ecology of the geophyte Conopodium majusConopodium majus (Apiaceae), indicator species of ancient woodland understories and oligotrophic meadows

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