Results 11 to 20 of about 698,050 (241)

Interactions between the oomycete Pythium arrhenomanes and the rice root-knot nematode Meloidogyne graminicola in aerobic Asian rice varieties [PDF]

open access: yes, 2016
Background: Aerobic rice fields are frequently infested by pathogenic oomycetes (Pythium spp.) and the rice root-knot nematode Meloidogyne graminicola.
Banaay, CGB   +7 more
core   +2 more sources

Sexual Plant Reproduction [PDF]

open access: yesAnnals of Botany, 2011
Flowering plants are the most successful group of land plants, containing over 90 % of species and dominating almost every terrestrial ecosystem. This evolutionary success is due, in part, to their sophisticated reproductive biology centred on the eponymous flower, where female gametophytes are hidden and protected by the sporophyte carpel/pistil ...
openaire   +1 more source

Phenotypic Plasticity and the Invasiveness of Three _Taraxacum_ Species [PDF]

open access: yes, 2009
*Background/Question/Methods* Many factors have been found to be associated with the success of invasive species. Phenotypic plasticity, the ability of a plant genotype to respond to different environmental conditions by producing different ...
Jing Luo, John Cardina
core   +2 more sources

Seasonal priority effects: Implications for invasion and restoration in California coastal sage scrub [PDF]

open access: yes, 2010
Competition from exotic annual grasses (EAGs) threatens native plant communities in California. Coastal sage scrub communities have substantially diminished in area over the last century, in some instances by greater than 90%, while EAGs continue to ...
Claire E. Wainwright, Elsa E. Cleland
core   +2 more sources

Delayed Germination of Seeds: A Look at the Effects of Adult Longevity, the Timing of Reproduction, and Population Age/Stage Structure [PDF]

open access: yes, 1994
The effects of adult longevity, the timing of reproduction, and population age/stage structure on the evolution of seed dormancy are explored in both constant and variable environment models. In the constant environment models complete germination is the
Rees, M.
core   +1 more source

Impacts of Land Abandonment on Vegetation: Successional Pathways in European Habitats [PDF]

open access: yes, 2011
Changes in traditional agricultural systems in Europe in recent decades have led to widespread abandonment and colonization of various habitats by shrubs and trees.
Bernhardt-Römermann, M.   +11 more
core   +4 more sources

Densovirus induces winged morphs in asexual clones of the rosy apple aphid, Dysaphis plantaginea [PDF]

open access: yes, 2009
Winged morphs of aphids are essential for their dispersal and survival. We discovered that the production of the winged morph in asexual clones of the rosy apple aphid, Dysaphis plantaginea, is dependent on their infection with a DNA virus, Dysaphis ...
Ban   +16 more
core   +2 more sources

Characterizing Parental Concerns About Lasting Impacts of Treatment in Children With B‐Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐acute lymphoblastic leukemia (B‐ALL) is the most common pediatric cancer, and while most children in high‐resource settings are cured, therapy carries risks for long‐term toxicities. Understanding parents’ concerns about these late effects is essential to guide anticipatory support and inform evolving therapeutic approaches ...
Kellee N. Parker   +7 more
wiley   +1 more source

Reproduction: Plant Parentage à Trois [PDF]

open access: yesCurrent Biology, 2018
Blocks to polyspermy are thought to be universally adaptive because they prevent lethal genome imbalance and chromosome segregation defects. However, two recent reports show that plants with two male parents are viable and could contribute significantly to polyploid speciation.
Thomas, Dresselhaus, Mark A, Johnson
openaire   +2 more sources

Exercise Interventions in Children, Adolescents and Young Adults With Paediatric Bone Tumours—A Systematic Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Bone tumours present significant challenges for affected patients, as multimodal therapy often leads to prolonged physical limitations. This is particularly critical during childhood and adolescence, as it can negatively impact physiological development and psychosocial resilience.
Jennifer Queisser   +5 more
wiley   +1 more source

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