Results 91 to 100 of about 8,010 (222)

Variation and geographical distribution of ploidy levels in Pennisetum section Brevivalvula (Poaceae) in Burkina Faso, Benin and southern Niger [PDF]

open access: yes, 1995
#Pennisetum$ sect. #Brevivalvula$ is a species complex characterized by polyploidy and apoximis. Ploidy level was assessed by DAPI-flow cytometry for 304 plants of the section, originating from Burkina Faso, Benin and southern Niger.
De Jong, J.H.   +2 more
core   +1 more source

Harnessing Endogenous Homeobox Genes for Synthetic Apomixis in Hybrid Rice

open access: yes
Plant Biotechnology Journal, Volume 24, Issue 5, Page 3324-3326, May 2026.
Xin Wei   +7 more
wiley   +1 more source

Origin of different ploidy levels of progeny from diploid x tetraploid somatic hybrid crosses in Citrus [PDF]

open access: yes, 2009
World production of Citrus fruit is on a continuous growth, representing the first fruit crop in international trade. The main evolution during the last decades was the growth of request on small Citrus fruits (clementines and mandarins).
Froelicher, Yann   +3 more
core  

Use of genotyping-by-sequencing to determine the genetic structure in the medicinal plant chamomile, and to identify flowering time and alpha-bisabolol associated SNP-loci by genome-wide association mapping

open access: yesBMC Genomics, 2017
Background Chamomile (Matricaria recutita L.) has a long history of use in herbal medicine with various applications, and the flower heads contain numerous secondary metabolites which are medicinally active.
Lars-Gernot Otto   +7 more
doaj   +1 more source

Selection of spontaneous autotetraploid plants from Citrus polyembryonic cultivars [PDF]

open access: yes, 2008
Seedlessness is one of the most important characteristics for mandarin fresh fruit market. Mandarin triploid hybrids allow implementing this trait in commercial varieties.
Aleza Gil, Pablo   +2 more
core  

Evolutionary history of Hypericum perforatum L. [PDF]

open access: yes, 2011
The genus Hypericum is a highly diverse group of about 500 species. Among the Eurasian taxa, Hypericum perforatum L. and H. maculatum Crantz are representative examples with a largely overlapping distribution area in Central Europe.
Scheriau, Charlotte Luise
core   +1 more source

A Preliminary Analysis of the Benefits of Introducing Apomixis into Rice [PDF]

open access: yes
The objective of this research is to undertake an ex ante economic analysis of basic scientific research that aims to identify the gene(s) that control apomictic reproduction, with the ultimate aim of transferring the characteristic into commercially ...
Bicknell, Kathryn   +2 more
core   +1 more source

Seasonal expression of apospory in bahiagrass [PDF]

open access: yes, 2013
This paper was presented at the 22nd International Grassland Congress, Sydney, Australia, 15−19 September 2013. Its publication in Tropical Grasslands – Forrajes Tropicales is the result of a co-publication agreement with the IGC 2013 Organizing ...
Acuña, Carlos Alberto   +4 more
core   +3 more sources

Lawnmower Poetry and the Poetry of Lawnmowers

open access: yes
Critical Quarterly, Volume 68, Issue 1, Page 4-42, April 2026.
Francesca Gardner
wiley   +1 more source

Variation of microsporogenesis in sexual, apomictic and recombinant plants of Poa pratensis L

open access: yesCaryologia, 2022
Apomixis is a rather widespread phenomenon in plants. It is defined as the asexual formation of a seed from the maternal tissues of the ovule, avoiding the processes of meiosis and fertilization.
Egizia Falistocco   +5 more
doaj  

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