Results 31 to 40 of about 57,060 (303)

Do plants dynamically regulate nectar features through sugar sensing? [PDF]

open access: yesPlant Signaling & Behavior, 2008
Nectar properties (volume, concentration, viscosity) change dynamically in time. As stated by Pedersen some decades ago (1958), "Nectar is not a static product remaining outside the plant once produced but is in close contact with the plant system."1 It is now evident that secretion may occur concomitantly with resorption and that the latter process ...
NEPI, MASSIMO, STPICZYNSKA M.
openaire   +3 more sources

Nectar and oleiferous trichomes as floral attractants in Bulbophyllum saltatorium Lindl. (Orchidaceae) [PDF]

open access: yes, 2017
Although many Orchidaceae have deceit flowers that produce no reward, the most common reward, when present, is nectar. Bulbophyllum, however, is unusual in that the labellar secretions of most species investigated to date lack sugars, and, therefore ...
Davies, Kevin L.   +2 more
core   +1 more source

Recircumscription of the Nepenthes alata group (Caryophyllales: Nepenthaceae) in the Philippines : with four new species [PDF]

open access: yes, 2013
An overview of Nepenthes in the Philippines is presented. Four new species, Nepenthes extincta sp. nov., N. kitanglad sp. nov., N. kurata sp. nov. and N. leyte sp. nov.
Cheek, Martin, Jebb, Matthew
core   +3 more sources

Forager bees (Apis mellifera) highly express immune and detoxification genes in tissues associated with nectar processing. [PDF]

open access: yes, 2015
Pollinators, including honey bees, routinely encounter potentially harmful microorganisms and phytochemicals during foraging. However, the mechanisms by which honey bees manage these potential threats are poorly understood.
Johnson, Brian R   +2 more
core   +1 more source

The olfactory basis of orchid pollination by mosquitoes. [PDF]

open access: yes, 2020
Mosquitoes are important vectors of disease and require sources of carbohydrates for reproduction and survival. Unlike host-related behaviors of mosquitoes, comparatively less is understood about the mechanisms involved in nectar-feeding decisions, or ...
Akbari, Omar S   +6 more
core   +1 more source

Draft genome of Rosenbergiella nectarea strain 8N4T provides insights into the potential role of this species in its plant host. [PDF]

open access: yes, 2020
Background:Rosenbergiella nectarea strain 8N4T, the type species of the genus Rosenbergiella, was isolated from Amygdalus communis (almond) floral nectar. Other strains of this species were isolated from the floral nectar of Citrus paradisi (grapefruit),
Halpern, Malka   +6 more
core  

Self-pollination by sliding pollen in Caulokaempferia coenobialis (Zingiberaceae) [PDF]

open access: yes, 2005
Caulokaempferia coenobialis (Zingiberaceae) forms dense populations on steep cliffs in shady, humid monsoon forests in south China. It produces few consecutively opening bright yellow flowers that are 3 cm long and oriented parallel to the ground.
Chen, Zhongyi   +3 more
core   +1 more source

Zooming-in on floral nectar: a first exploration of nectar-associated bacteria in wild plant communities [PDF]

open access: yesFEMS Microbiology Ecology, 2012
Floral nectar of some animal-pollinated plants usually harbours highly adapted yeast communities which can profoundly alter nectar characteristics and, therefore, potentially have significant impacts on plant reproduction through their effects on insect foraging behaviour.
Álvarez-Pérez, Sergio   +2 more
openaire   +3 more sources

The role of jasmonates in floral nectar secretion. [PDF]

open access: yesPLoS ONE, 2010
Plants produce nectar in their flowers as a reward for their pollinators and most of our crops depend on insect pollination, but little is known on the physiological control of nectar secretion.
Venkatesan Radhika   +3 more
doaj   +1 more source

Garden varieties: how attractive are recommended garden plants to butterflies? [PDF]

open access: yes, 2015
One way the public can engage in insect conservation is through wildlife gardening, including the growing of insect-friendly flowers as sources of nectar. However, plant varieties differ in the types of insects they attract.
A Burls   +32 more
core   +1 more source

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