Results 81 to 90 of about 21,897 (297)

Hybrid de novo transcriptome assembly of poinsettia (Euphorbia pulcherrima Willd. Ex Klotsch) bracts

open access: yesBMC Genomics, 2019
Background Poinsettia is a popular and important ornamental crop, mostly during the Christmas season. Its bract coloration ranges from pink/red to creamy/white shades.
Vinicius Vilperte   +5 more
doaj   +1 more source

Optimizing a Simple Natural Dye Production Method for Dye-Sensitized Solar Cells: Examples for Betalain (Bougainvillea and Beetroot Extracts) and Anthocyanin Dyes [PDF]

open access: yes, 2019
We present a study about the sensitizers extracted from natural resources. This paper focuses on how to select, extract and characterize natural dyes, giving some guides to establish a protocol for the whole process of fabricating and using these dyes ...
Ariza Camacho, María Jesús   +1 more
core   +1 more source

Breynia phuongiana (Phyllanthaceae), a new species from the Central Highlands of Vietnam

open access: yesNordic Journal of Botany, EarlyView.
A new species, Breynia phuongiana (Phyllanthaceae subgen. Sauropus), is described and illustrated from the Central Highlands of Vietnam. It is morphologically similar to B. beillei, B. bonii, and B. thorelii, but differs in having oblong‐elliptic leaves, sepals marked with reddish striations, an androphore exceeding 1 mm in length, and distinctly ...
Van Canh Nguyen   +6 more
wiley   +1 more source

Carex linanensis (sect. Mitratae), a new species of Cyperaceae from Zhejiang, East China [PDF]

open access: yesPhytoKeys
Carex linanensis X.D.Qiu & X.F.Jin, a new species in sect. Mitratae of the sedge family (Cyperaceae) from north-western Zhejiang is described and illustrated.
Xiang-Dong Qiu, Yi-Fei Lu, Xiao-Feng Jin
doaj   +3 more sources

A key to the New World species of holostipous Lejeuneaceae [PDF]

open access: yes, 1990
A synopsis and key emphasizing vegetative characters are provided for the 967species (in 36 genera) of Lejeuneaceae with undivided underleaves recorded from the New ...
Gradstein, Stephan Robbert
core  

Fabrication and characterisation of silver nanoparticles using bract extract of Musa paradisiaca for its synergistic combating effect on phytopathogens, free radical scavenging activity, and catalytic efficiency.

open access: yesIET Nanobiotechnology, 2018
This work explores the rapid synthesis of silver nanoparticles (AgNPs) from Musa paradisiaca (M. paradisiaca) bract extract. The bio-reduction of Ag+ ion was recorded using ultraviolet-visible spectroscopy by a surface plasmon resonance extinction peak ...
Jayapriya Maruthai   +2 more
semanticscholar   +1 more source

Parakaempferia alba sp. nov. (Zingiberaceae), a new species from Arunachal Pradesh, India

open access: yesNordic Journal of Botany, EarlyView.
Parakaempferia alba, a new species of Zingiberaceae from East Siang district of Arunachal Pradesh, India is herein described. A detailed taxonomic description, diagnosis, color photoplate, distribution map, notes on habitat and ecology, conservation status, and a table of comparisons with the closely related species Parakaempferai synantha Rao & Verma ...
Tatum Mibang   +3 more
wiley   +1 more source

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

open access: yesNordic Journal of Botany, EarlyView.
Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution ...
Umeshkumar L. Tiwari
wiley   +1 more source

Arkansas Cotton Variety Test 2013 [PDF]

open access: yes, 2014
The primary goal of the Arkansas Cotton Variety Test is to provide unbiased data regarding the agronomic performance of cotton varieties and advanced breeding lines in the major cotton-growing areas of Arkansas.
Beach, A. B.   +3 more
core   +2 more sources

Optimization of Cellulase-Assisted Extraction of Total Flavonoids from Corn Bract and Evaluation of Antioxidant and Antibacterial Aactivities

open access: yesAmerican Journal of Biochemistry and Biotechnology, 2019
Corn bract is a corn-based agricultural waste material that distributed worldwide. In present work, response surface methodology was applied to optimize the cellulase-assisted extraction of Total Flavonoids from Corn Bract (TFCB), the in vitro ...
Yang Zhang   +7 more
semanticscholar   +1 more source

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