TAILIEUCHUNG - Precocious genotypes and homozygous tendency generated by self-pollination in walnut

Observations of precocious (early bearing) genotypes of walnut (Juglans regia L.) under natural conditions encouraged us to study the origin and genetic control of these fascinating traits. | Nội dung Text Precocious genotypes and homozygous tendency generated by self-pollination in walnut .den color inherit .ttnd ol .ttnd ul .ttnd dl padding 0 0px 0 20px .ttnd hr margin 10px 0px .ttnd a href javascript void 0 .ttnd a href color inherit dtextscript p text-align left dtextscript img vertical-align middle Chen et al. BMC Plant Biology 2018 18 323 lt br gt https s12870-018-1549-1 lt br gt lt br gt lt br gt lt br gt lt br gt RESEARCH ARTICLE Open Access lt br gt lt br gt Precocious genotypes and homozygous lt br gt tendency generated by self-pollination in lt br gt walnut lt br gt Lingna Chen1 2 Runquan Dong3 Qingguo Ma1 Yu Zhang3 Shizhong Xu4 Delu Ning3 Qin Chen3 and lt br gt Dong Pei1 lt br gt lt br gt lt br gt Abstract lt br gt Background Observations of precocious early bearing genotypes of walnut Juglans regia L. under natural lt br gt conditions encouraged us to study the origin and genetic control of these fascinating traits. lt br gt Results In this study the self-fertility progeny performance and simple sequence repeat SSR locus variation of iron lt br gt walnut Juglans sigillata Dode an ecotype of J. regia were investigated. The average self-pollinated fruit set rate of J. lt br gt sigillata cv. Dapao DP was annually from 1979 to 1982. The average germination rate of self-pollinated seeds lt br gt was during the 4-year period. Most progeny had inbreeding depression. Nine representative self-pollinated lt br gt progeny SP1 SP9 with special or typical traits of DP were selected. SP1 SP4 were precocious because they initiated lt br gt flowers as early as 2 years after germination compared to the 7 10-yr period that is typical of DP. SP9 had not flowered lt br gt since 1980. Twelve SSR markers were used to analyze the SP and DP. The genome of SP had a tendency toward high lt br gt levels of homozygosity. The high levels of homozygosity reported in 18 additional precocious walnut genotypes lt br gt complemented the results of

• Sinh học
• BMC Plant Biology
• Juglans sigillata Dode
• Juglans regia L
• Self pollination
• Juvenile period
• Single plant genome wide association study
• Plant height
• Bulk segregant analysis
• Genome wide association studies
• Virus vector host interaction
• Plant defense
• Jasmonic acid
• Plant volatile
• Bemisia tabaci
• Terpenoid indole alkaloid
• Madagascar periwinkle
• Transcription factors
• Plant secondary metabolism
• High throughput sequencing
• Plant stress response
• Chemical library
• Pollen tube
• Growth regulator
• Modulate plant growth
• Community ecology
• Competitive exclusion
• Latitudinal gradients
• Plant–fungus interactions
• Plant–soil feedback
• Biodiversity effects
• Experimental grassland
• Herbivore induced plant volatiles
• Volatile organic compounds
• Herbivore induced plant volatiles
• Solidago altissima
• Eurosta solidaginis
• Plant physiology
• Auxin quantification
• Isotope dilution analysis
• Laser microdissection microscope
• Plant sample preparation
• Minute samples
• Linkage map
• Technical length
• Quantitative trait locus
• Pitcher plant
• DNA barcoding
• Cytochrome oxidase I
• Nepenthes genus
• Bivariate quantiles
• Conditional quantiles
• Joint estimation
• Plant growth
• Stress tolerance
• Mepiquat chloride
• Lateral root
• Plant growth regulator
• Enhances root growth
• Ammonium metabolism
• Arabidopsis thaliana
• Plant defensins
• Amino acids
• Genome wide association study
• Lint percentage
• Boll number per plant
• Boll weight per plant
• Salt stress
• Transcriptome analysis
• Gossypium hirsutum
• Catalpa bungei
• Genetic map
• RAD seq
• QTL mapping
• Leaf traits
• HN09 induced systemic resistance
• Plant immune
• Plant growth promoting rhizobacteria
• Bacillus subtilis HN09
• Plant architecture
• RNA Seq
• Internode elongation
• Plant hormone
• Physic nut
• Arabidopsis TFL1
• Mutants reveals cytokinin
• Woody plant Jatropha curcas
• Sucrose transporters
• Abiotic stress
• ABA signaling pathway
• Stomatal closure
• Tomato plant
• Pathogenesis related gene 1
• Regulatory mechanism
• Transcription factor
• RNA polymerase III
• Plant specific zinc dependent
• DNA binding proteins
• Meta transcriptomics
• Plant abiotic stress
• Plant biotic stress
• Crop physiology
• ABA hypersensitive
• Plant biological
• Including phytohormone homeostasis
• Plant development
• Photosynthetic plant life
• Plants perceive UV B
• Non plant organisms
• Guanine nucleotide exchange factors
• Chromatin immunoprecipitation
• Colletotrichum gloeosporioides
• Induced response
• Plant–pathogen interaction
• Polyphenol oxidase