Results 61 to 70 of about 9,860 (127)
We describe the first Australian Pergidae fossil species, Baladi warru, from McGraths Flat, a newly discovered Miocene Konservat‐Lagerstätte in Australia. The specimen contains pollen grains from Quintianapolis that were imaged with high‐resolution using SEM.
Juanita Rodriguez +4 more
wiley +1 more source
Read the free Plain Language Summary for this article on the Journal blog. Abstract Chlorophyllous plants exhibiting partial mycoheterotrophy obtain carbon through mycorrhizal interactions in addition to photosynthesis. In arbuscular mycorrhizal (AM) plants, the Paris‐morphotype (i.e.
Franziska E. Zahn +3 more
wiley +1 more source
Cattle and nurse trees shape subtropical forest–grassland ecotones
Tree cover can potentially expand on the subtropical South American grasslands. Reductions in cattle densities and increases in rainfall levels associated with climate change could facilitate forest expansion in this region. Abstract South American subtropical landscapes are dominated by open grasslands and mosaics of forest–grassland formations ...
Milena Holmgren +8 more
wiley +1 more source
Embryo excision in Compositae, with implications for combating biodiversity loss
Abstract Premise Embryo excision is an effective, under‐described means of promoting germination in the sunflower family and may help to ensure the survival of endangered taxa or lineages with limited seed availability. Methods and Results We describe and illustrate a detailed method of embryo excision used successfully to stimulate germination in a ...
Bruce G. Baldwin +2 more
wiley +1 more source
Plântulas e plantas jovens de vinte espécies de plantas invasoras, que ocorrem nas culturas mais freqüentes de Maringá, Estado do Paraná, Brasil e regiões adjacentes, foram descritas morfologicamente, e contribuem para identificação no campo e fornecem ...
Juliana Marzinek +2 more
doaj
Em remanescentes florestais da região noroeste do Paraná (Brasil), ocorrem várias espécies de lianas, que podem afetar o desenvolvimento de espécies arbóreas e arbustivas. Dentre essas lianas, destaca-se Arrabidaea mutabilis Bur. & K. Schum., pelo rápido
Luiz Antonio Souza +2 more
doaj +1 more source
Emergência de plântulas de cupuaçuzeiro: informações complementares. [PDF]
bitstream/item/63487/1/Oriental-Doc84 ...
FIGUEIRÊDO, F. J. C.
core +1 more source
Forest regeneration in tropical bracken‐dominated deforested areas is mainly hindered by dispersal limitation. We found differences in species composition of seed‐dispersing birds and bats between the forest and bracken‐dominated areas, which could be one of the main causes of dispersal limitation in forest regeneration in tropical bracken‐dominated ...
Silvia C. Gallegos +10 more
wiley +1 more source
El objetivo de la presente investigación fue determinar la eficacia de ciertos tratamientos, a base de biofungicidas, frente a la caída de plántula de pepino causada por Pythium aphanidermatum.
Deissy Milly Leiva Villanueva
doaj +1 more source
Uma mesma cultivar de soja pode apresentar variação no tamanho das sementes. A variabilidade no tamanho das sementes pode causar redução, tanto na qualidade física quanto na qualidade fisiológica das mesmas, como também pode apresentar variação de ...
Cylles Zara dos Reis Barbosa
doaj +1 more source

