Genetics and Breeding of Host Plants of Silkworms
(PBG-211)


Course Developer:

Dr. Shabir Ahmad Wani

Assistant Professor

COTS Mirgund

Dr. M.F. Baqual

Associate Dean

COTS Mirgund

Lecture-1: Floral biology of host plants of silkworms, viz., mulberry, Terminalia, Castor, Som and Soalu.

  • To know the botanical distribution of food plants of different silkworms.

  • To consolidate the information about the Rearing of these non mulberry silkworms practised in different states of India.

Lecture-2: Germplasm sources, geographical distribution and exploration. Centres involved in crop improvement programme of host plants of silkworms.

  • To know about genetic variation and germplam.

  • To know about Utilization of germplam for improvement in plant population.

Lecture-3: Conservation and role of Germplasm in crop improvement.

  • Conservation of the genetic resources.

  • Improvement of population through efficient utilization of genetic variations.

Lecture-4: Inheritance of economic characters (quantitative and qualitative characters).

To know about quantitative and qualitative charcters.

To understand the inheritance of characters.

Lecture-5: Objectives and pre-requisites of breeding. Methods of breeding, viz., introduction and acclimatisation, methods of selection in mulberry.

  • To know the objectives of mulberry breeding.

  • To know different methods of mulberry breeding.

Lecture-6: Hybridization and Heterosis breeding.

  • To study the technique of hybridization for improvement of population.

  • To understand the genetic basis of heterosis.

Lecture-7: Breeding methods for self and cross pollinated crops, backcross, population improvement.

  • To know plant breeding methods.

  • To know the applications of back cross method.

Lecture-8: Mutation breeding

  • Mutation breeding and its application in mulberry improvement.

  • Mutagens and their application.

Lecture-9: Polyploidy breeding.

  • Development of triploid mulberry varieties for improvement of leaf quality and quantity.

Lecture- 10: Breeding for Disease and Pest resistance.

  • Development of resistant variety for disease and pests.

  • Methods of breeding for disease resistance.

Lecture-11: Breeding for Drought resistance.

  • To know the Drought tolerance in plants.

  • Method of development of drought tolerant variety.