Results 21 to 30 of about 57,464 (178)

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

Comparative in vitro antioxidant potential of different parts of Ipomoea asarifolia, Roemer & Schultes, Guiera senegalensis, J. F. Gmel and Anisopus mannii N. E. Brown

open access: yesBrazilian Journal of Pharmaceutical Sciences, 2010
In this study, the radical scavenging capacity of Guiera senegalensis, Ipomoea asarifolia and Anisopus mannii were compared. The ascorbic acid equivalent of the stem bark (2.1 mM), leaves (2.05 mM) and root barks (1.89 mM) of Guiera senegalesis are much ...
Sunday Ene-OjoAtawodi   +1 more
doaj   +1 more source

Horizontal gene transfer contributes to plant evolution : the case of Agrobacterium T-DNAs [PDF]

open access: yes, 2017
Horizontal gene transfer (HGT) can be defined as the acquisition of genetic material from another organism without being its offspring. HGT is common in the microbial world including archaea and bacteria, where HGT mechanisms are widely understood and ...
Gheysen, Godelieve   +2 more
core   +1 more source

Germination and emergence of Stachytarpheta cayennensis and Ipomoea asarifolia Germinação e emergência de Ipomea asarifolia e Stachytarpheta cayennensis

open access: yesPlanta Daninha, 1996
Understanding how weed seed germination and emergence respond to environmental factors is critical to determining their adaptive capabilities and potential for infestations, and could also aid in the development of effective control practices ...
M.B. Dias Filho
doaj   +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

Adjuvant interference on spray solution properties of 2,4-D and dicamba herbicides and their efficacy for Ipomoea SPP. control

open access: yesBioscience Journal, 2020
Synthetic auxin herbicides constitute major alternatives for managing tough-to-kill weeds such as Ipomoea spp. Adjuvant use is known to positively affect the biological efficacy of pesticides by modifying key spraying solution and droplet properties ...
Roberto Avila Neto   +6 more
doaj   +1 more source

Programmed Cell Death and Postharvest Deterioration of Horticultural Produce [PDF]

open access: yes, 2010
Programmed cell death (PCD) is a process where cells or tissues are broken down in an orderly and predictable manner, whereby nutrients are re-used by other cells, tissues or plant parts.
Iakimova, E.T., Woltering, E.J.
core   +1 more source

Anti-seizure properties of Ipomoea asarifolia (Desr.) (Convolvulaceae) ethanolic leaf extract in laboratory animals

open access: yesBulletin of the National Research Centre, 2022
Background Preparation of Ipomoea asarifolia (Desr.) (Convolvulaceae) is widely used in traditional African medicine for the treatment of different kinds of ailments such as syphilis, malaria, convulsions and rheumatism.
Samaila S. Chiroma   +5 more
doaj   +1 more source

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

Convolvuláceas americanas nuevas o críticas - IV

open access: yesLilloa, 2021
El autor publica como nuevos los siguientes taxones: Jacquemontia bahiensis, Convolvulus schulzei, Ipomoea angustisepala, I. cearensis, I. colombiana, I. decemcornuta, I. magniflora, I. philipsonii, I. pintoi, I. piurensis, I. piurensis f .
Carlos Alberto O’Donell
doaj  

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