KrishiVoc: 5. Crop Improvement

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Crop Improvement Plant breeding History Plant Introduction Types Primary Cloning (plants)
Secondary
Agencies NBPGR, New Delhi (India)
FRI, Dehradun
Procedure Procurement Gift
Exchange
Purchases
Propagules
Collection
Quarantine Plant produce for consumption
Plant Propagule for Research
Phytosanitary Certificate
Purpose Entirely New Crop
New Varieties
Utilization in Improvement Programme
Saving from a disease or Pest
Utilization in Scientific Studies
Aesthetic Value
Important Achievements
Merits New Crop
Superior Varieties
Stopping Genetic Erosion
Quick and Economical
Protection
Demerits Weeds
Diseases
Insect Pests
Ornamental s turned Weeds
Threats to Ecological Balance
Domestication Selection under Domestication Natural Selection
Artificial Selection
Changes in plant species under Domestication
Acclimatization
Centers of Origin of Crops Abbyssinian Center
Asia Minor
Central American
Central Asia
China Center
Hindustan Center
Mediterranean Center
South American
U.S.A. Center
Centers of Diversity
Objectives of Plant Breeding Higher yield
Improved Quality
Disease Resistance
Insect Resistance
Change in Maturity Duration
Agronomic Characteristics
Photoinsensitivity
Synchronus Maturity
Nonshattering Characteristics
Determinate Growth
Dormancy
Varieties for New Seasons
Moiature Stress and Salt Tolerance
Elimination of Toxic Substances
Activities in Plant Breeding Creation of Variation
Selection Parameters Traits Genotypic Progeny Test
Pleiotropy
Penetrance
Expressiivity
Threshold Character
Modifying Genes
Gene Interaction Supplementary Gene
Inhibitory Gene
Epistatic
Duplicate Gene
Masking Gene
Polymeric Gene
Linkage
Phenotypic
Qualitative Dominance
Recesive
Quantitative
Genetic Basis
Methods For Self Pollinating Crops Progeny Test
Pureline Theory
For Cross Pollinating Crops Population Improvement
Hybrid and Synthetic Varieties
Pureline Selection
Pedigree
Bulk Method
Back Cross Method
Stress Resistance for Abiotic Stress Drought Resistance
Mineral Resistance
Temperature Resistance
Stress Resistance for Biotic Stress Disease Resistance
Insect Resistance
Clonal Crops
Evaluation
Multiplication
Distribution
Important Achievements (Plant Breeding) Semidwarf Rice
Semidwarf Wheat
Indian Canes
Hybrid Millet
Hybrid Cotton
Undesirable consequences Genetic Erosion
Narrow Genetic Base
Increased susceptibility to minor diseases
Pattern of Evolution of Crops Mendelian Variation Wine cultivars
Interspecific Hybridization
Polyploidy
Germ Plasm Types Cultivated
Wild
Indigenous
Exotic
Land Races
Obsolete Varieties
Varieties in Cultivation
Breeding Lines
Wild Forms
Wild Relatives
Gene Pool * Primary
Secondary
Tertiary
Collections Gene Bank
World Collection
Regeneration Random Drift
Activities in Conservation Collection
Conservation
Evaluation
Cataloguing
Multiplication and Distribution
Utilization
Conservation In Situ Biosphere Reserve
Gene Sanctuary
Natural Park
Ex Situ Seed Banks Orthodox Seeds
Recalcitrant Seeds
Base Collection
Active Collection
Working Collection
Plant Banks
Shoot Tip Banks
Cell and Organ Banks
DNA Banks
Collection Methods Exploration andCollection
Procurement from Other Agencies
Evaluation
Cataloguing Data storage and Retrieval
Multiplication and Distribution
Utilization
Breeding Systems Natural Mating System Self Pollinated Crops
Cross Pollinated Crops
Theorized Pattern of Mating Random Mating
Non Random Mating Genetic Assortative Mating
Phenotypic Assortative Mating
Genetic DisAssortative Mating
Phenotypic Dis Assortative Mating
Modes of Reproduction Asexual Vegetative Underground Stems Tuber
Bulb
Rhizome
Corm
Sub-aerial Stems Runner
Stolon
Sucker
Bulbils
Apomixix Adventive Embryony
Apospory
Diplospory Parthenogenesis
Apogamy
Sexual Flower
Sporogenesis Microsporogenesis
Megasporogenesis
Gametogenesis Microgametogenesis
Megagametogenesis
Fertilization
Anthesis
Mechanism of Reproduction Self Pollinattion Cleistogamy
Chasmogamy
Cross Pollination Anemophily
Hydrophily
Entomophily
Dicliny Monoecy
Dioecy
Dichogamy Protogyny
Protandry
Self Incompatibility Sporophytic
Gametophytic
Male Sterility Genetic Temperature Sensitive
Photoperiod Sensitive
Transgenic
Cytoplasmic
Implications in Plant Breeding Heriditary Behaviour
Mendelian Genetics
Biometrical Genetics D2 Statistics
Metroglyph Analysis
Correlation Coefficient Analysis Simple Correlation Phenotypic
Genotypic
Environmental
Partial Correlation
Multiple Correlation
Path Analysis
Discriminant Function
Procedures Diallel Cross Analysis Hayman's Graphical Approach
Griffing's Numerical Approach
Partial Diallel Analysis
Triallel Analysis
Quadriallel Analysis
Line X Testaer Analysis
Generation Mean Analysis
Biparental Cross Analysis
Cytoplasmic Inheritance
Polygenic Inheritance
Gene Action
Variability Phenotypic
Genotypic Additive
Dominance
Epistatic
Measures Range
Arithmetic Mean
Variance
Standard Deviation
Coefficient of Variation
Standard Error
Components
Technique D2 Statistics
Metroglyph Analysis
Environmental Predictable Variations
Unpredictable Variations
Adaptability Genetic Homeostasis Mean Performance
Regression of Performance
Stability Eberhart and Russel (1966) Model
Perkins and Jinks (1968) Model
Freeman and Perkins (1971) Model
Genotype- Environment Interaction
Inbreeding and loss of vigour
Heterosis and gain in vigour
Breeding Techniques Hybridization Intervarietal Hybridization Simple Cross
Complex Cross
Distant Hybridization Interspecific
Intergeneric
Procedures Choice of Parents
Evaluation of Parents
Emasculation Hand Emasculation
Suction Method
Hot Water Emasculation
Alcohol Treatment
Cold Treatment
Genetic Emasculation
Bagging
Tagging
Pollination
Harvesting of F1 Seeds
Storing of F1 Seeds
Raising F1 Generation
Selfing F1 Generation
Transgressive Breeding
Combination Breeding
Mutation Breeding For Oligogenic Trait
For Polygenic Trait
Procedures Selection of Variety
Selection of Plant Part
Dose of Mutagen
Mutagen Treatment
Handling of Mutagen Treated Population
Physical Mutagen Gamma Raya
X Rays
Chemical Mutagen EMS
EI
Sodium Azide
Chromosomal Mutation
Gene Mutation
Vital Mutation
Polyploidy Types Heteroploid Aneuploid
Nullisomic
Monosomic
Double monosomic
Trisomic
Double Trisomic
Tretrasomic
Euploid
Monoploid
Haploid
Polyploid Autopolyploid
Autotriploid
Autotetraploid
Autopentaploid
Autohexploid
Autooctaploid
Allopolyploid Autotetraploid
Allohexaploid
Allooctaploid Triticale
Raphanobrassica
Brassica napus
Amphidiploid
Biotechnology and Crop Improvement Plant Biotechnology Plant Tissue Culture In Vitro
Plant Protoplast
Totipotency
Explant
Organogenesis
Techniques Embryo Culture
Meristem Culture
Anther Culture
Callus Culture
Suspension Culture
Tissue Culture Biochemical Production
Clonal Propagation
Somaclonal Variation
Somatic Hybridization
Genetic Transformation
Organelle Transfer
Germplasm Conservation
Somatic Hybridization Protoplast Isolation
Protoplast Fusion
Selection of Hybrid Cells
Genetic Engineering Isolation of Desired Gene cDNA Copy ( Reverse Trascription)
Base Sequence from Amino Acid ( Gene Machine)
From Genomic Library
Insertion in a vector
Introduction into a suitable host Ti Plasmid/ Ri Plasmid
Caulimovirus/ Gemini virus
Direct DNA Uptake by Cell
Electroporation
Microinjection
Particle Gun
Calcium Phosphate Precipitation
Liposome-Mediated DNA Transfer
Selection of the Transformed HostCell
Expression of the Cloned Genes
Reporter Gene Selectable Marker
Scorable Marker
Crystal Protein/ Cry Protein
Edible Vaccines
Linkage Maps
Genomic Library
cDNA Library
Embryo Rescue
Somaclonal Variation
Molecular Marker
Molecular Maps
Quality Seed Classes Basic Seed
Breeder Seed
Foundation Seed
Registered Seed
Certified Seed
Production Isolation
Cultivation
Processing Drying Natural
Artificial
Cleaning
Grading
Testing Pure Seed
Weed Seed
Other Crop Seed
Inert Matter
Germination
Treating Disinfectant Organo Mercurial Compounds
Protectant
Bagging and Labelling
Seed Certification Seed Test Sampling
Purity Test
Cultivar Purity Test
Germination Test
Real Value of Seed
Moisture Content
Production Organization National Seed Corporation
State Seeds Corporation
State Seed Certification Agencies
Private Seed Companies
Genetics Mendelian Genetics Inheritance (genetics) Allelism Codominance
Dominance (genetics)
Incomplete dominance
Overdominance
Cytoplasmic inheritance
Linkage (genetics) Linkage disequilibrium
Linkage groups
Sex linkage
Mendelian inheritance Gene segregation Meiotic drive
Polygenic inheritance
Transgressive segregation
Molecular Genetics Amino acid sequences Signal peptide
Consensus sequence
Conserved sequences
DNA-binding domains Leucine zipper
Zinc finger motif
DNA conformation
DNA fragmentation
DNA libraries cDNA libraries
Expressed sequence tags
Genomic libraries
DNA probes DNA primers
DNA repair
DNA replication
Epigenetics Genomic imprinting
Gene-for-gene relationship
Gene conversion
Gene duplication
Gene expression Gene overexpression
Gene expression regulation Autoregulation
Gene activation
Gene amplification
Gene induction
Gene silencing RNA interference
Nucleocytoplasmic interaction
RNA editing
RNA splicing Alternative splicing
Transcriptional activation
Gene interaction Epistasis
Genes Alleles
Complementary genes
Dominant genes
Duplicate genes
Homeotic genes
Immunoglobulin genes
Lethal genes
Major genes
Major histocompatibility complex
Modifiers (genes)
Multigene family
Oncogenes Proto-oncogenes
Operon
Pseudogenes
Recessive genes
Regulator genes
Reporter genes
Structural genes
Suppressor genes
Synthetic genes
Transgenes
Genetic code
Genetic complementation
Genetic recombination Crossing over
Genetic transformation Genetic transduction
Transfection
Homologous recombination Intragenic recombination
Mitotic recombination
Genetic techniques and protocols Chromosome banding
Chromosome mapping Chromosome walking
Physical chromosome mapping
Cytogenetic analysis Karyotyping
Diallel analysis
Direct DNA uptake
DNA footprinting
DNA profiling
Electroporation
Gene targeting
Gene transfer Biolistics
Transfection
Genetic complementation test
Genetic markers
In situ hybridization Fluorescence in situ hybridization
Microarray technology
Molecular cloning Gene fusion
Two hybrid system techniques
Northern blotting
Nucleic acid hybridization
Plasmid curing
Polymerase chain reaction Amplified fragment length polymorphism
Random amplified polymorphic DNA technique
Reverse transcriptase polymerase chain reaction
Simple sequence length polymorphism
Sequence alignment
Sequence analysis
Southern blotting
Virus curing
Genetically modified organisms Genetically engineered microorganisms
Transgenic animals
Transgenic plants
Molecular mimicry
Mutation Amino acid substitution
Base pair mismatch
DNA damage
Frameshift mutation
Gene deletion
Genetic polymorphism Inversion polymorphism
Restriction fragment length polymorphism
Single-stranded conformational polymorphism
Single nucleotide polymorphism
Missense mutation
Mutagenesis Insertional mutagenesis
Site-directed mutagenesis
Nonsense mutation
Point mutation
Somatic mutation
Nuclear-cytoplasmic interactions
Nucleic acids DNA A-DNA
Antisense DNA
Circular DNA
Complementary DNA
DNA adducts
Mitochondrial DNA
Plastid DNA
Recombinant DNA
Ribosomal DNA
Single-stranded DNA
Transfer DNA
Z-DNA
RNA Antisense RNA
Double-stranded RNA
Messenger RNA