Results 61 to 70 of about 8,767 (177)

Effects of different water regimes on the anatomical characteristics of roots of grasses promising for revegetation of areas surrounding hydroelectric reservoir Efeitos de diferentes regimes hídricos sobre as características anatômicas de raízes de gramíneas promissoras para revegetação de áreas marginais a reservatórios hidrelétricos

Ciência e Agrotecnologia, 2003
The objective of this study was to evaluate the effect of different water regimes on some aspects of root anatomy of three grasses: Echinochloa pyramidalis (canarana), Setaria anceps (setária) and Paspalum paniculatum (paspalo).
Silvana da Silva, Evaristo Mauro de Castro, Ângela Maria Soares   +2 more
doaj   +1 more source

Phylogeny of subtribe Gonolobinae (Apocynaceae‐Asclepiadoideae) based on molecular and morphological data with a revised generic classification

TAXON, Volume 75, Issue 2, April 2026.
Abstract The presently most densely sampled molecular phylogeny of the widespread New World subtribe Gonolobinae is presented, including about 35% of the ca. 520 species. Sampling focused on an even representation of the three main areas of total Gonolobinae distribution, South America, Central/North America, and the West Indian Islands, and the ...
Sigrid Liede‐Schumann, Gilberto Morillo, Ulrich Meve, Héctor A. Keller, Kurt Neubig   +4 more
wiley   +1 more source

Improving Flooding Tolerance of Crop Plants

Agronomy, 2018
A major problem of climate change is the increasing duration and frequency of heavy rainfall events. This leads to soil flooding that negatively affects plant growth, eventually leading to death of plants if the flooding persists for several days.
Angelika Mustroph
doaj   +1 more source

Identifying Priority Vegetation Zones for Floodplain Wetland Management Based on Hydrological and Meteorological Drivers

Water Resources Research, Volume 62, Issue 4, April 2026.
Abstract While hydrology and meteorology influence floodplain wetland vegetation, their relative contributions and spatial patterns remain poorly quantified. Hydrological conditions, in particular, can be altered by anthropogenic activities such as damming.
Yang Liu, Zhonghua Yang, Yao Yue, Jianhua Liu   +3 more
wiley   +1 more source

Adaptações morfoanatômicas de Cyperaceae ao ambiente aquático Morphology and anatomic adaptations of Cyperaceae aquatic habits

Planta Daninha, 2011
No ecossistema aquático há uma faixa de umidade gradiente no solo que interfere diretamente na ocupação das espécies à margem da lâmina de água. Essa zonação ecológica reflete os graus de adaptação que as plantas apresentam para tolerar o alagamento ou a
D.C. Rocha, D. Martins
doaj   +1 more source

Projected Methane Emissions From a Boreal Thermokarst Bog Are Sensitive to Carbon Substrate Availability, Distribution, and Transport Pathway Dominance

Global Change Biology, Volume 32, Issue 4, April 2026.
Projected radiative forcing from a thermokarst bog in Boreal Alaska depends on methane emission transport pathway dominance, with aerenchyma‐ and diffusion‐dominant causing net warming and ebullition‐dominant causing net cooling. Predicted methane shows a transient response as air temperature increases in future projections causing soil drying and ...
Benjamin C. Maglio, Ruth Rutter, Valeria Briones, Andrew Mullen, Chu‐Chun Chang, Joshua M. Rady, Tobey Carman, Colin Edgar, Eugénie S. Euskirchen, Jennifer D. Watts, Susan M. Natali, Elchin E. Jafarov, Brendan M. Rogers, Hélène Genet   +13 more
wiley   +1 more source

Cell wall changes during the formation of aerenchyma in sugarcane roots [PDF]

Annals of Botany, 2017
Aerenchyma develops in different plant organs and leads to the formation of intercellular spaces that can be used by the plant to transport volatile substances. Little is known about the role of cell walls in this process, although the mechanism of aerenchyma formation is known to involve programmed cell death and some cell wall modifications.
D C C, Leite, A, Grandis, E Q P, Tavares, A R, Piovezani, S, Pattathil, U, Avci, A, Rossini, A, Cambler, A P, De Souza, M G, Hahn, M S, Buckeridge   +10 more
openaire   +2 more sources

Forest health, heart rot disease, and their impact on the source of carbon‐based greenhouse gas fluxes

New Phytologist, Volume 250, Issue 2, Page 921-933, April 2026.
Summary Forest health is critical for sustaining ecosystem services like carbon sequestration. Heart rot, a widespread disease in upland northern hardwood forests, may affect greenhouse gas (CO2 and CH4) fluxes, but its impacts remain poorly measured. Using non‐destructive tomography and direct gas flux measurements, we quantified the effects of heart ...
Chathuranga K. Senevirathne, Alan Huff, Debit Datta, Nathan G. Swenson, Adrian V. Rocha   +4 more
wiley   +1 more source

Effects of Ethephon on Aerenchyma Formation in Rice Roots

Rice Science, 2009
Abstract The effects of ethephon on the constitutive aerenchyma formation in roots were studied with a rice variety Yangdao 6 as material. The number of air spaces formed by disintegrated cells in mediopellis increased significantly with the rising ethephon concentrations, whereas superoxide dismutase (SOD) activity showed downward trends.
Yu KONG, Zhong WANG, Juan CHEN, Xue-tong PAN, Da-tong LIU, Er-jin ZHANG   +5 more
openaire   +1 more source

Root Cortical Aerenchyma Enhances Nitrogen Acquisition from Low-Nitrogen Soils in Maize [PDF]

PLANT PHYSIOLOGY, 2014
Suboptimal nitrogen (N) availability is a primary constraint for crop production in developing nations, while in rich nations, intensive N fertilization carries substantial environmental and economic costs. Therefore, understanding root phenes that enhance N acquisition is of considerable importance.
Patompong, Saengwilai, Eric A, Nord, Joseph G, Chimungu, Kathleen M, Brown, Jonathan Paul, Lynch   +4 more
openaire   +2 more sources