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Subjects plant breeding Remove constraint plant breeding: plant breeding Subjects polyploidy Remove constraint polyploidy: polyploidy Year 2010 Remove constraint 2010: 2010

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1. Analysis of breeding systems, ploidy, and the role of hexaploids in three Hypericum perforatum L. populations

Description:: Includes references
Author:: Qu, Luping , Widrlechner, Mark P. , Rigby, Shawn M.
Subject:: Hypericum perforatum , medicinal plants , medicinal properties , drug crops , plant breeding , hexaploidy , polyploidy , wide hybridization , seeds , biochemical pathways , plant reproduction , tetraploidy , mating systems , germ cells , endosperm , DNA , viability , ova , embryo sac , gene flow , evolution , meiosis
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

2. Aneuploid strawberry (2n =8x +2=58) was developed from homozygous unreduced gamete (8x) produced by second division restitution in pollen

Description:: Includes references
Author:: Yanagi, Tomohiro , Hummer, Kim E. , Iwata, Takashi , Sone, Kazuyoshi , Nathewet, Preeda , Takamura, Takejiro
Subject:: Fragaria ananassa , strawberries , fruit crops , aneuploidy , homozygosity , gametocytes , cell division , polyploidy , plant breeding , diploidy , crossbreds , seed set , photoperiod , plant morphology , plant reproduction , flow cytometry , chromosome number , genetic markers , genetic polymorphism , nucleotide sequences , genetic variation , Fragaria vesca , wild relatives
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

3. Identification and Mapping of Nucleotide Binding Site–Leucine-rich Repeat Resistance Gene Analogs in Bermudagrass

Description:: Includes references
Author:: Harris, Karen R. , Schwartz, Brian M. , Paterson, Andrew H. , Brady, Jeff A.
Subject:: Cynodon transvaalensis , Cynodon dactylon , turf grasses , plant breeding , disease resistance , germplasm screening , chromosome mapping , genes , oligonucleotides , leucine , binding proteins , nucleotide sequences , amino acid sequences , genetic markers , linkage groups , marker-assisted selection , expressed sequence tags , genetic relationships , polyploidy
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

4. Ploidy Variation and Genetic Diversity in Dichroa

Description:: Includes references
Author:: Rinehart, Timothy A. , Scheffler, Brian E. , Reed, Sandra M.
Subject:: Hydrangeaceae , Hydrangea macrophylla , plant breeding , intergeneric hybridization , hybrids , cultivars , wild relatives , genetic variation , genetic relationships , polyploidy , geographical variation , Georgia , Oregon , Alabama , Pennsylvania , Texas , Tennessee , New Zealand , Wales
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010