Results 131 to 140 of about 24,941 (203)

旱后复水条件下磷添加对白羊草根系形态及氮磷累积的影响

Shuitu Baochi Xuebao, 2019
植物生长及养分利用特征可揭示半干旱区植物对多变水肥环境条件的适应策略。在白羊草分蘖期设置2个供水条件（正常供水和干旱胁迫21天后复水）和2个磷添加水平（复水当日1 kg干土添加0，0.2 g P2O5），2周后测定其根冠生物量、根系形态以及氮磷含量。结果表明，旱后复水条件下，磷添加后白羊草根冠生物量、总生物量和根冠比无显著变化，总根长和根表面积显著增加27.1%和24.1%，比根长和比根面积分别显著增加18.3%和15.9%，根系平均直径显著降低1.3%；白羊草地上部、根系和整株磷含量分别显著增加61 ...
康继月, 王世琪, 刘金彪, 李敏, 王智, 徐炳成   +5 more
doaj  

Testing macroevolutionary predictions of the Grant‐Stebbins model in the origin of Aeschynanthus acuminatus

New Phytologist, Volume 249, Issue 6, Page 3137-3148, March 2026.
Summary The Grant‐Stebbins model predicts that a plant species encountering different pollinators across its range may undergo local adaptation and, subsequently, ecological speciation. We tested whether this could explain the origin of Aeschynanthus acuminatus (Gesneriaceae), a species phylogenetically derived from sunbird specialist ancestors.
Jing‐Yi Lu, Yao‐Wu Xing, Hong Truong Luu, Richard H. Ree   +3 more
wiley   +1 more source

Early signals of water limitations begin at the root–soil interface: linking rhizosphere drying to water uptake decline

New Phytologist, Volume 249, Issue 6, Page 2909-2918, March 2026.
Summary Understanding when and where drought stress originates in the soil–plant continuum is essential for predicting plant responses to climate change. While stomatal closure is a well‐known reaction to declining soil moisture, the precise hydraulic trigger remains unresolved.
Sara Di Bert, Pascal Benard, Rong Jia, Fabian J. P. Wankmüller, Seren Azad, Anders Kaestner, Andrea Nardini, Timothy J. Brodribb, Andrea Carminati   +8 more
wiley   +1 more source

[Research progress on external cervical resorption]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Chen R, Bian M, Zhao J, Qian L, Shi Y, Wu Z.   +5 more
europepmc   +1 more source

Root tip excision‐induced exodermis lignification impacts lateral root emergence in Brachypodium distachyon

New Phytologist, Volume 249, Issue 6, Page 2894-2908, March 2026.
Summary The mechanisms controlling lateral root emergence in monocots, particularly the role of the exodermis, are poorly understood. We investigated how natural variation in the Brachypodium distachyon stress response shapes root system architecture by modulating cell wall dynamics.
Kevin Bellande, Cristovão De Jesus Vieira Teixeira, Marius Malai, Angelina D'Orlando, Léa Perez, Richard Sibout, Anne C. Roulin, Joop E. M. Vermeer, Thomas Badet   +8 more
wiley   +1 more source

根土复合体力学效应及其模型构建研究进展与展望

Shuitu Baochi Xuebao
[目的] 为探究根土复合体的力学效应机理及模型方法应用。[方法] 采用文献分析和对比分析法,归纳分析根土复合体概念和内涵、根土复合体力学效应及力学模型原理、优缺点以及适用范围。[结果] (1)根土复合体是根系与土体之间力学耦合效应的复合整体,根系在土体中交叉缠绕,起到加固作用;(2)根系与土体力学关系实质上是根土复合体土力、水力和复合力学特性作用的结果,土力特性、水力特性分别侧重研究根系对土体的影响和土中水分对土体和根系的影响,复合力学特性侧重于根土复合体自身特性对植物根系特征以及结构的直接影响 ...
谢祥荣, 陈正发, 朱贞彦, 徐兴倩, 阎凯, 李博, 段青松, 李淑芳, 张川   +8 more
doaj  

[Endodontic retreatment of a maxillary second molar with chronic apical periodontitis and separated instrument: A case report]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zang H, Liang Y.
europepmc   +1 more source

The potato cyst nematode Globodera pallida overcomes major potato resistance through selection on standing variation at a single locus

New Phytologist, Volume 249, Issue 6, Page 3039-3059, March 2026.
Summary Globodera pallida poses a major threat to potato production, with management strategies primarily relying on genetic resistance. However, increasing virulence in field populations across Western Europe raises major concerns for G. pallida control.
Arno S. Schaveling, Dennie M. te Molder, Paul Heeres, Joris J. M. van Steenbrugge, Stefan J. S. van de Ruitenbeek, Casper C. van Schaik, Sven van den Elsen, Geert Smant, Mark G. Sterken   +8 more
wiley   +1 more source

[Microbial communities in extraradicular infections of post-treatment apical periodontitis without or with sinus tracts]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Tang R, Yang L, Nie J, Wang X.
europepmc   +1 more source

B‐GATA factors are required for nitrogen‐responsive growth in Physcomitrium patens and Arabidopsis thaliana

New Phytologist, Volume 249, Issue 6, Page 2919-2937, March 2026.
Summary We hypothesized that B‐GATA family transcription factors have important roles in growth regulation in moss. We analyzed B‐GATA family transcription factor mutants from Physcomitrium patens and Arabidopsis thaliana to assess growth, gene expression, and cytokinin‐related processes under varying nitrogen conditions.
Dario Zappone, Peter Michael Schröder, Ivan Petřík, Xiao Dong, Rudi Schäufele, Korbinian Schneeberger, Ondřej Novák, Claus Schwechheimer   +7 more
wiley   +1 more source