Results 1 to 10 of about 4,812,773 (194)

Suscetibilidade diferencial de espécies convolvuláceas ao flumioxazin determinada através de curvas de dose-resposta Differential susceptibility of the convolvulaceae species to flumioxazin through dose-response curves

open access: yesPlanta Daninha, 2013
As plantas daninhas denominadas vulgarmente como corda-de-viola, pertencentes aos gêneros Ipomoea e Merremia, estão entre as mais importantes do Brasil.
M Nicolai   +5 more
doaj   +1 more source

Description of the previously unknown male of Systropha (Austrosystropha) macronasuta (Hymenoptera: Halictidae: Rophitinae) from Kenya [PDF]

open access: yes, 2017
We describe and illustrate for the first time the previously unknown male of Systropha (Austrosystropha) macronasuta Strand.  We provide a species diagnosis and modified couplets of the recent identification key to allow for easy identification of this ...
Bossert, Silas, Patiny, Sébastien
core   +2 more sources

Metal contamination of soils and crops affected by the Chenzhou lead/zinc mine spill (Hunan, China) [PDF]

open access: yes, 2005
In 1985, the collapse of the tailing dam in Chenzhou lead/zinc mine (Hunan, southern China) led to the spread of mining waste spills on the farmland along the Dong River.
Liao, Bo-han, Liu, Hongyu, Probst, Anne
core   +2 more sources

Beach impact study, Padre Island National Seashore [PDF]

open access: yes, 1976
Prepared for Office of Natural Science, Southwest Region, National Park Service, under contract CX70005044830 April 1976Vegetative differences between heavily and very lightly trafficked beaches show that more beach traffic correlates with quantitative ...
Behrens, E. W. (Earl William), 1935-   +2 more
core   +1 more source

Occurrence of LINE, gypsy-like, and copia-like retrotransposons in the clonally propagated sweet potato (Ipomoea batatas L.) [PDF]

open access: yes, 2011
Retrotransposons are a class of transposable elements that represent a major fraction of the repetitive DNA of most eukaryotes. Their abundance stems from their expansive replication strategies.
Dieters, Mark   +3 more
core   +2 more sources

Ontogeny of some species of genus Ipomoea L. in conditions of Forest-Steppe of Ukraine with the different methods of cultivation

open access: yesІнтродукція Рослин, 2014
The ontogenesis of four species of the genus Ipomoea L. (I. purpurea (L.) Roth., I. hederacea (L.) Jacq., I. indica (Burm.) Mevvill. and I. tricolor Cav.) is described.
L.L. Pavlenko, S.P. Mashkovska
doaj   +1 more source

The genus Ipomoea (Convolvulaceae) in the Mata da Pimenteira State Park, semiarid region of Brazil

open access: yesRodriguésia, 2021
The Mata da Pimenteira State Park (MPSP) is an important remnant of caatinga vegetation in the semiarid region of Pernambuco state, Brazil. The park holds great biodiversity, but relatively few taxonomic studies have been undertaken in the area.
Rosemeire Santos Costa   +5 more
doaj   +1 more source

Density-dependent effect of allelopathy on germination and seedling emergence in two Ipomoea species

open access: yesRevista Chilena de Historia Natural, 2019
BackgroundDensity in inter and intraspecific plant-plant interactions affects the action modes of allelopathy (autotoxicity, negative and positive allelopathy). Some seeds exude compounds that inhibit the germination of others.
Zoila Mercedes Aguilar-Franco   +5 more
semanticscholar   +1 more source

Ploidy level and molecular phylogenic relationship among novel Ipomoea interspecific hybrids

open access: yesCzech Journal of Genetics and Plant Breeding, 2014
Interspecific hybridization can be used to broaden the genetic base, generate novel species, postulate genetic relationships, and to introgress elite alien genes.
Qing-He CAO   +5 more
doaj   +1 more source

Susceptibility of four Ipomoea genus weed species to the herbicides saflufenacil or flumioxazin

open access: yesRevista Agrogeoambiental, 2020
Among weeds commonly found in Brazil that directly interfere on agriculture, those classified in Convolvulaceae Family may be highlighted, particularly Ipomoea L. genus, popularly known as morning glories.
Saul Jorge Pinto de Carvalho   +4 more
doaj   +1 more source

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