Genetics and Plant breeding pointers 37

 

• ‘Chatham variety’ of Tobacco selected from Culture 40D variety
• Genes suppressing Homeologous pairing in Wheat have been located on chromosome: 5B
• CMS Line of Rice first developed by: Athwal and Birmani
• Purity of existing pureline variety maintained through mass selection method
• Salinity tolerant variety of Rice: Mohan
• ‘Tumult’ and ‘Miramar’ are the variety of: Wheat
• Simplest form of progeny selection: Ear to Row method
• Double haploid of Tobacco developed through: Anther culture
• First developed interspecific hybrid of Cotton: Varalaxmi (G. hirsutum × G. barbadense)
• First interspecific hybrid of cotton developed from: UAS, Dharwad station
• First intraspecific hybrid of cotton developed from: GAU, Surat station
• In pedigree method 11–12 generation seeds are used as variety
• Johannsen developed pureline theory in Princes variety of Rajma (Phaseolus vulgaris)
• Largest no. of mutant variety developed in: Cereal crop
• Mixture of several purelines of similar height, maturity and seed colour called: Multiline variety
• Present single cross hybrid variety of Maize are produced by planting male & female inbreds in the ratio: 2:4 ratio
• Recessive mutation can be observed and selected in: M2 generation
• Self & often-cross pollinated crops show considerable extent of: Heterosis & additive variance
• Off season nursery for rice present at: NRRI, Cuttack, Odisha
• Concept of clean crop approach and dirty crop approach developed by: Marshall
• Sugarcane hybrids ordinarily developed through: Interspecific hybridization
• Double haploid techniques used for developing homozygous line in all of these crop (Wheat/Rice/Barley)
• Selfing reduces heterozygosity in each generation by the factor: 1/2
• CMS-WA cytoplasm was collected from O. sativa f.s. pontane rice species
• First intraspecific hybrid of cotton developed by: Dr. H. Katarki
• Selection don’t taken upto F5–F6 generation in SSD method
• Tobacco variety ‘Hartrrison special’ was introduced from: USA
• Gigas mutant of Oenothera lamarkiana was an: Autotetraploid
• Wheat cereal leaf Beetle & Green bug insect resistance governed by: Polygenes
• HUW-234 is a variety of Wheat
• First interspecific hybrid of cotton developed by: Dr. C.T Patel
• C-235 is a variety of: Bengal gram
• A breeding approach called Evolutionary-participatory breeding has been developed for: Organic and low input farming system
• Leaf Rust resistance in Wheat transferred from: T. timophevi
• Dominant mutation can be observed and selected in: M1 generation
• Popular Wheat variety: PBW 343
• ‘Malviya Vikalp’ is a variety of Pigeon pea crop
• India is the first country to commercially exploit the hybrid vigor in: Cotton
• Who suggested that use of GMS line to overcome the difficulty in population improvement approach: Jensen
• Heterosis partially exploited in: Synthetic and Composites variety
• C-306 Wheat variety resistance to: Drought
• When pedigree method used to correct some specific weakness of an established variety then that is called: Combination breeding
• First developed Intraspecific variety of cotton: H4 (G. hirsutum × G. hirsutum)
• Shuttle breeding: When alternatively selection is done to reduce the breeding cycle in two places
• Selection for simply inherited traits started from: F2-generation
• The idea of population approach given by: Palmer
• Heterosis fully exploited in: Hybrid variety
• Maximum number of mutant varieties developed through: Gamma ray mutation
• Pant Nagar is a hot spot for Karnal Bunt disease of Wheat
• In crop improvement programme intervarietal hybridization most commonly used
• Less demanding method: Mass selection
• Disease resistance gene transfer by: Back cross method
• Of season nursery and green house not required to advance the generation: Bulk method
• Success of this method largely depends on the skill of plant breeder: Pedigree method
• Narrow adoptability found in Self pollinated crops
• Multilines and isogenic lines developed through: Back cross method
• Artificial selection, artificial disease epidemics are an integral part of the method: Bulk method
• Genetic constitution of Clonal variety: Homogeneous and Heterozygous
• For polygenic gene transfer: Pedigree method
• Jaya and Padma Rice varieties are developed through: Pedigree method
• Segregating generation planted in dense: SSD method
• Seed certification difficult: Mass selection
• Recurrent and Non-recurrent parents used in: Back cross method
• SSD First Developed By: Goulden
• Only limited application for improvement of self-pollinated crops: Mass selection
• More adoptability and stability in the developed variety: Mass selection
• Segregating generations planted in Commercial rate: Bulk method
• Allard told progeny test most required for: Mass selection
• Individuals with unlike alleles at the corresponding locus called: Heterozygous population
• High degree of inbreeding depression found in Cross pollinated crops
• Progeny test not required: Mass selection
• Genetic constitution of multiline: Homozygous and Heterogeneous
• Only method for cytoplasmic gene transfer: Back cross method
• Linkage drag found in the method: Back cross method
• Most expensive, laborious, demanding and time consuming method: Pedigree method
• SSD is a modified method of: Bulk method
• First multiline variety on Wheat developed by: N. E. Bourlaug
• Only a limited use in self-pollinated crops: Mass selection
• Mass pedigree method is a modified: Bulk method
• Mass selection used in cross pollinated crops
• Phenotypic basis of selection: Mass selection
• For monogenic gene transfer: Back cross method
• Nobilization of Sugarcane is a method of: Back cross method
• No opportunity to natural selection: Pedigree selection
• Kalyan sona wheat variety resistance to Leaf rust
• Mixture of several purelines of similar height, maturity and seed colour called: Multiline variety
• Idea of multiline first developed by: Jenson
• Brim suggested that SSD is a modified method of: Pedigree method
• Heterosis breeding used in All of these crops (Self/cross/asexually propagated crop/all three)
• Pure line selection used in Self pollinated and Often cross crops
• Segregating generation space planted: Pedigree method
• Malvya-12 is a variety of: Wheat crop
• Less adoptability and stability in the developed variety: Pure line method
• Who suggested that SSD is a modified pedigree method: Brim
• Rice variety ‘Shyama’ is a selection from: Kalimonch 64
• Also called population method of breeding: Bulk method
• SSD method is a modified method of: Bulk method
• Breeding method particularly used for small grain crops: Bulk method
• Most widely used method in self-pollinated crops: Pedigree method
• Least expensive, little space, effort and labour required for: SSD method