Results 101 to 110 of about 91,740 (233)

Physical constraints and environmental factors shape phloem anatomical traits in woody angiosperm species

open access: yesNew Phytologist, Volume 248, Issue 5, Page 2316-2330, December 2025.
Summary Xylem trait studies have enhanced our understanding of how plants strategically adapt their morphological and anatomical features to diverse climates. Despite the importance of the phloem in plant functioning, similar studies of phloem traits are lacking.
Yan Wang   +18 more
wiley   +1 more source

Características clínico - imagenológicas de los tumores de tallo encefálico en la infancia

open access: yesCorreo Científico Médico, 2017
Introducción: los tumores del tronco cerebral suponen el 10-25% de los tumores del sistema nervioso en el niño y del 20% al 25% de los tumores infratentoriales.
Regis Gerardo Rosales Labrada   +5 more
doaj   +2 more sources

Evaluación de diferentes estrategias de fertilización en el control del rajado de tallos en alstroemeria variedad ‘Bali’

open access: yesRevista de Investigación Agraria y Ambiental
Contextualización: La alstroemeria es una flor con gran belleza, amplia gama de colores, larga vida en florero y con una creciente popularidad a nivel mundial.
Javier Giovanni Álvarez-Herrera   +2 more
doaj   +1 more source

Formative exploration of students’ perception about Community Medicine teaching at Mahatma Gandhi Institute of Medical Sciences, Sewagram, India [PDF]

open access: yes, 2008
Objective: The objectives of the present formative research were to explore the medical undergraduates’ study problems and their perceptions about various teaching approaches in currently practiced teaching curriculum of Community Medicine.
Deshmukh, PR, Dongre, AR, Garg, BS
core   +1 more source

Experimental warming alters free‐living nitrogen fixation in a humid tropical forest

open access: yesNew Phytologist, Volume 248, Issue 6, Page 2750-2763, December 2025.
Summary Microbial nitrogen (N) fixation accounts for c. 97% of natural N inputs to terrestrial ecosystems. These microbes can be free‐living in the soil and leaf litter (asymbiotic) or in symbiosis with plants. Warming is expected to increase N‐fixation rates because warmer temperatures favor the growth and activity of N‐fixing microbes.
Parker M. Bartz   +6 more
wiley   +1 more source

Alcaloides de berberís rigidifolia H.B.K. valoración en diferentes partes de la planta y caracterización de uno de ellos

open access: yesRevista Colombiana de Química, 2010
Se realizó un estudio comparativo del contenido alcaioidal de diferentes partes de la planta Berberís rigidifolia H.B.K. (Corteza del tallo aéreo, madera del tallo aéreo, corteza del tallo subterráneo y madera del tallo subterráneo) encontrándose un ...
Cristina Aristizabal T.   +2 more
doaj  

Essential developmental processes in Physcomitrium patens require distinct levels of total activity provided by functionally redundant PpROP GTPases

open access: yesNew Phytologist, Volume 248, Issue 6, Page 2865-2890, December 2025.
Summary RHO (RAS homologous) GTPases regulate important cellular and developmental processes in most eukaryotes. Plant‐specific ROP (RHO of plants) GTPase families expanded and functionally diversified during the evolution of vascular plants, but contain few members in nonvascular extant relatives of early land plants.
Aude Le Bail   +9 more
wiley   +1 more source

Growth analysis of three lines of barley for forage production : in the valley of Mexico [PDF]

open access: yes, 2017
Los objetivos del estudio fueron construir curvas de acumulación de forraje, y determinar el momento óptimo de corte para forraje de tres líneas de cebada, durante dos ciclos de crecimiento.
Aranda Osorio, Gilberto   +5 more
core  

Bacterial fitness for plant colonization is influenced by plant growth substrate

open access: yesNew Phytologist, Volume 248, Issue 6, Page 3168-3190, December 2025.
Summary Despite advances in our understanding of bacterial plant colonization, the extent to which growth substrate influences the molecular mechanisms enabling bacteria to efficiently colonize plants remains poorly understood. To address this, we used randomly barcoded transposon mutagenesis sequencing (RB‐TnSeq) in Paraburkholderia graminis OAS925 ...
Marta Torres   +6 more
wiley   +1 more source

Las Lejeuneaceae (Hepaticae) de Misiones, Argentina : 6., Lejeunea y Taxilejeunea [PDF]

open access: yes, 2000
Se describen e ilustran las 15 especies de Lejeunea y 3 especies de Taxilejeunea (Lejeuneaceae, subfam. Lejeuneoideae) halladas en Misiones, Argentina: Lejeunea cancellata Nees & Mont., L. filipes Spruce, L. flava (Sw.) Nees, L.
Reiner-Drehwald, M. Elena
core  

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