Results 131 to 140 of about 32,951 (260)

Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 3., description of dollecting sites, the vegetation of Kahuzi-Biega-National Park/Zaire, Nyungwe Forest and Virunga volcanoes/Rwanda [PDF]

open access: yes, 1993
During the BRYOTROP-Expedition in 1991, 71 collecting sites could be visited. These are situated in the Kahuzi-Biega-National Park/Zaire, the Nyungwe Forest and the Virunga volcanoes/Rwanda.
Fischer, Eberhard
core  

Alternative Substrates and Fertilization Routine Relationships for Bedding Pot Plants: Impatiens wallerana [PDF]

open access: yes, 2012
This study was carried out searching for alternative substrates to traditional peat based on river waste and Sphagnum and Carex peat from Argentinean peatlands and used to grow Impatiens wallerana bedding plant.
Di Benedetto, Adalberto Hugo   +4 more
core  

Fittonia verschaffeltii Response to Artificial Light Treatments: BIOMASS, Nutrient Concentrations and Physiological Changes [PDF]

open access: yes, 2020
The purpose of the present study was to evaluate the effects of different light treatments on biomass, nutrient concentrations and physiological parameters of Fittonia verschaffeltii (Lem) Van Houtte.
Almansa Espín, Eva María   +4 more
core   +1 more source

Consistent pollen nutritional intake drives bumble bee (Bombus impatiens) colony growth and reproduction across different habitats

open access: yesEcology and Evolution, 2018
Foraging behavior is a critical adaptation by insects to obtain appropriate nutrients from the environment for development and fitness. Bumble bees (Bombus spp.) form annual colonies which must rapidly increase their worker populations to support rearing
A. Vaudo   +4 more
semanticscholar   +1 more source

Taxonomic changes for fifteen species of North American Mordellidae [PDF]

open access: yes, 2003
In an attempt to more consistently apply generic concepts, 13 species of Mordellidae are transferred to different genera. Mordellistena bihamata (Melsheimer) and Mordellistena discolor (Melsheimer) are transferred to Falsomordellistena Ermisch, 1941 ...
Lisberg, Anneke E.
core  

A dataset on the diversity and geographical distributions of wild Impatiens in China

open access: yesBiodiversity Science, 2022
T. Yuan   +5 more
semanticscholar   +1 more source

Evaluating Pollination Deficits in Pumpkin Production in New York [PDF]

open access: yes, 2017
Potential decreases in crop yield from reductions in bee-mediated pollination services threaten food production demands of a growing population. Many fruit and vegetable growers supplement their fields with bee colonies during crop bloom.
Huseth, A. S.   +2 more
core  

Reproductive and Pollination Characteristics of Three Understory Impatiens Species

open access: yesHorticulturae
Understory flowering plants often face limitations in pollinator availability. This necessitates an investigation of pollination mechanisms and reproductive traits to understand their survival strategies. Floral syndromes, which are critical determinants
Yuxi Xue   +8 more
doaj   +1 more source

Integrated management of banana nematodes: Lessons from a case study in the French West Indies [PDF]

open access: yes, 2010
Plant-parasitic nematodes are tiny worms that live in soils and roots; in the case of banana plants, they spend most of their life cycle in root and corm tissues. Their proliferation mainly disrupts nutrient and water uptake, delays growth, and may cause
Achard, Raphaël   +5 more
core  

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