What is pedigree method of selection?

Pedigree refers to record of the ancestry of an individual selected plant. Pedigree breeding is a method of genetic improvement of self-pollinated species in which superior genotypes are selected from segregating generations and proper records of the ancestry of selected plants are maintained in each generation.

What are the steps in pedigree method?

Crossing between selected parent plants is the first step in pedigree method. Seeds obtained by hybridization (F1 seeds) are planted with proper sowing distance. Seeds of about 20-30 plants are harvested in bulk and forwarded to grow F2 generation. Selection is the main process carried in this step.

What is pedigree method in agriculture?

Pedigree method. In this method, individual plants are selected from F2 and subsequent generations and their progenies are tested. During this process details about the plants selected in each generation is recorded in Pedigree Record.

What is pedigree method of hybridization?

Pedigree Method:

A selection method, which is used in segregating population of self-pollinated species and keeps proper record of plants and progeny selected in each generation is known as pedigree breeding. This method is widely used for the development of varieties in self-pollinated crops.

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What is pedigree analysis in plant breeding?

A pedigree (Figure 1) is a representation of how genetically discrete individuals are related (usually but not exclusively) in time to one another. It is therefore a representation of the genetic relationship between individual plant lines, their parents and progeny (predecessors and successors).

Why pedigree method is used?

Pedigree refers to record of the ancestry of an individual selected plant. Pedigree breeding is a method of genetic improvement of self-pollinated species in which superior genotypes are selected from segregating generations and proper records of the ancestry of selected plants are maintained in each generation.

What is pedigree record?

a zootechnical document that contains information on the origin, breed, growth and development, productivity, and other qualities of pedigree animals. Pedigree records are maintained in order to standardize the data needed to appraise pedigree animals and determine their use.

What are the methods of breeding?

What are the different kinds of crop breeding?

  • Backcrossing or introgression breeding. Crop breeders sometimes use a process called backcrossing. …
  • Inbreeding. …
  • Hybrid breeding. …
  • Mutation breeding. …
  • Molecular marker-assisted selection. …
  • Genetic engineering. …
  • Gene editing.

What is cattle progeny testing?

Progeny Testing refers to evaluation of bulls on the basis of their daughter’s performance. This long term and complex programme is considered to be scientifically best approach in achieving genetic improvement in a particular breed.

What is bulk population?

 Bulk population breeding is a strategy of crop improvement in which the natural selection effect is solicited more directly in the early generations of the procedure by delaying stringent artificial selection until later generations.

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What is meant by family selection?

In selection. Family selection refers to mating of organisms from the same ancestral stock that are not directly related to each other. Pure-line selection involves selecting and breeding progeny from superior organisms for a number of generations until a pure line of organisms with only the desired…

What is a bulk method?

What is Bulk Method – Definition? It is a method which can handle segregating generations, in which F2 and subsequent generations are harvested in bulk to grow the next generation. At the end of bulking period, individual plant selection and evaluation is carried out in the similar fashion as in the pedigree method.

What is backcross method?

backcross. A breeding method used to move one or a only a few desirable genes from an agronomically poor crop line to an elite line. This is done by crossing a donor parent to an elite line, and crossing offspring with the ‘desired gene(s)’ back to the elite parent.