Results 91 to 100 of about 11,544 (211)

The effects of seed size and maternal origin on the distribution of individual plant size in Ludwigia leptocarpa (Onagraceae) [PDF]

open access: yes, 1984
Seed size is normally distributed for many annual species, while mature plant size is frequently positively skewed. A study was conducted to determine the influence of seed size and the role of genetic differences in determining relative seedling size ...
Dolan, Rebecca W.
core   +1 more source

Avaliacao do grau de infestacao de mosca branca (Bemisia spp.)em plantas invasoras em areas de fruteiras irrigadas. [PDF]

open access: yes, 2018
O presente trabalho teve como objetivo levantar plantas invasoras hospedeiras de mosca branca em fruteiras irrigadas, nos municípios de Petrolina e Lagoa Grande, em Pernambuco.No CD-ROM 28, contem o resumo ...
HAJI, F. N. P.   +2 more
core  

Development of simple sequence repeat markers for Chamerion angustifolium (Onagraceae)

open access: yesApplications in Plant Sciences, 2019
Premise Rosebay willowherb, or fireweed (Chamerion angustifolium: Onagraceae), has diploid, tetraploid, and hexaploid cytotypes. There are known physiological and ecological differences among the three cytotypes, but genetic differences remain ...
Rui Mi   +4 more
doaj   +1 more source

Descritores epidérmicos de eudicotiledôneas forrageiras - guia para identificação da dieta de herbívoros usando o programa Delta. [PDF]

open access: yes, 2010
Este Boletim é resultado de aproximadamente dez anos de coletas e pesquisas sobre dieta de animais silvestres e domésticos no Pantanal, com a utilização da técnica microhistológica fecal.
ALVAREZ, J. M.   +4 more
core  

INDEPENDENT ORIGINATION OF FLORAL ZYGOMORPHY, A PREDICTED ADAPTIVE RESPONSE TO POLLINATORS: DEVELOPMENTAL AND GENETIC MECHANISMS [PDF]

open access: yes, 2016
Observations of floral development indicate that floral organ initiation in pentapetalous flowers more commonly results in a medially positioned abaxial petal (MAB) than in a medially positioned adaxial petal (MAD), where the medial plane is defined by ...
Bukhari, Ghadeer, Zhang, Wenheng
core   +1 more source

Differences in life history traits of related Epilobium species: Clonality, seed size and seed number [PDF]

open access: yes, 2018
Small changes in morphology can affect the performance and functions of organisms and hence their ecological success. In modular constructed plants, contrasting growth strategies may be realized by differences in the spatial arrangement and size of ...
Stöcklin, Jürg
core  

Morfología polínica de las especies de Ludwigia(Onagraceae, Ludwigioideae) del Noroeste de Argentina

open access: yesLilloa, 2017
Cecotti Álvarez, Mario D.; María E. García; Nora J. F. Reyes; Alberto C. Slanis. 2017. “Morfología polínica de las especies de Ludwigia (Onagraceae, Ludwigioideae) del Noroeste de Argentina”. Lilloa 54 (1).
Mario D. Cecotti Álvarez   +3 more
doaj  

Primera cita de Epilobium ciliatum Raf. (Onagraceae) en la Comunidad Valenciana [PDF]

open access: yes, 2014
Se comunica la presencia de la especie alóctona Epilobium ciliatum Raf. (Onograceae) en la Comunidad Valenciana (España). Esta cita constituye la segunda referencia para la especie en la Península Ibérica, tras su localización reciente en la Comunidad de
Ferrando, Inmaculada   +3 more
core  

О РАСПРОСТРАНЕНИИ EPILOBIUM PSEUDORUBESCENS (ONAGRACEAE) В СИБИРИ

open access: yesTurczaninowia, 2015
В результате критического пересмотра гербарных материалов по р. Epilobium, хранящихся в ряде крупных российских гербариев (LE, MW, TK, NS, NSK, ALTB, IRK, KRAS, KUZ), а также анализа собственных сборов и наблюдений в природе в 2000–2012 гг.
A. L. Ebel
doaj  

An Organic Fraction of Oenothera rosea L’Her Ex. Aiton Prevents Neuroinflammation in a Rat Ischemic Model

open access: yesPharmaceuticals
Background: Oenothera rosea L’Her Ex. Aiton, presenting antioxidant and anti-inflammatory activities, is traditionally used to treat bruises and headaches and as a healing agent.
Alejandro Costet-Mejía   +6 more
doaj   +1 more source

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