Results 51 to 60 of about 2,014,566 (222)

Analytical computation of the epidemic threshold on temporal networks [PDF]

open access: yes, 2015
The time variation of contacts in a networked system may fundamentally alter the properties of spreading processes and affect the condition for large-scale propagation, as encoded in the epidemic threshold.
Colizza, Vittoria   +3 more
core   +4 more sources

Sexual Propagation of Azolla Through the Sporocarp

open access: yes, 1983
This article 'Sexual Propagation of Azolla Through the Sporocarp' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice
Manimekalai Gurunathan, G.   +1 more
openaire   +1 more source

SEXUALLY PROPAGATING POTATOES

open access: yesHortScience, 1993
The importance of sowing vigorous seed is particularly well recognized by commercial growers of small-seeded sexually propagated crops. The possibility of producing clean potato seed tubers with true potato seed (TPS) has existed in many developing countries since the seventies.
openaire   +1 more source

GIS Bioclimatic Profile and Seed Germination of the Endangered and Protected Cretan Endemic Plant Campanula cretica (A. DC.) D. Dietr. for Conservation and Sustainable Utilization

open access: yesAgriculture
This study focused on the seed germination of the local Cretan endemic Campanula cretica, an endangered and nationally protected species with ornamental value.
Theodora-Nafsika Panagiotidou   +6 more
doaj   +1 more source

Population genetics of trypanosoma brucei rhodesiense: clonality and diversity within and between foci [PDF]

open access: yes, 2013
African trypanosomes are unusual among pathogenic protozoa in that they can undergo their complete morphological life cycle in the tsetse fly vector with mating as a non-obligatory part of this development.
A MacLeod   +70 more
core   +6 more sources

Seed Germination Requirements of the Threatened Local Greek Endemic Campanula pangea Hartvig Facilitating Species-Specific Conservation Efforts

open access: yesConservation
Ex situ conservation is a vital strategy of preserving plant species at risk, offering practical methods to obtain information regarding species-specific germination characteristics.
Margarita Paradisiotis   +7 more
doaj   +1 more source

Decline in submerged macrophyte beds in the Pearl River Delta, China, 2015–2020

open access: yesEcological Indicators, 2022
To maintain submerged macrophyte beds (SMBs), a sound understanding of the factors that influence their succession is required. The aim of this study was to determine what influenced the succession of SMBs in a tidal river system, namely the Pearl River ...
Yanyi Zeng   +7 more
doaj   +1 more source

Sex determination [PDF]

open access: yes, 2012
Multicellular animals are a diverse lot, with widely varied body plans and lifestyles. One feature they share, however, is a nearly universal reliance on sexual reproduction for species propagation.
Gamble, Tony
core   +1 more source

Defining stage-specific activity of potent new inhibitors of Cryptosporidium parvum growth in vitro [PDF]

open access: yes, 2020
Currently, nitazoxanide is the only FDA-approved treatment for cryptosporidiosis; unfortunately, it is ineffective in immunocompromised patients, has varied efficacy in immunocompetent individuals, and is not approved in infants under 1 year of age ...
Funkhouser-Jones, Lisa J   +2 more
core   +2 more sources

Ontogenetic shifts in Symbiodiniaceae assemblages within cultured Acropora humilis across hatchery rearing and post-transplantation phases

open access: yesFrontiers in Marine Science
Coral reefs have been declining worldwide due to multiple threats. Various approaches for coral restoration have been employed to increase coral populations.
Suppakarn Jandang   +7 more
doaj   +1 more source

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