B.Sc. Horticulture Semester VII – Elective Specialization

Breeding of Fruit Crops

Credits: 3 (2+1) Fruit Science

Course Overview

Official detailed syllabus from the ICAR Sixth Deans’ Committee curriculum.

Course Objectives

i. To provide knowledge about the breeding objectives and methods of fruit breeding in a prescribed manner ii. To familiarize students with latest principles and practices of crop improvement in different fruit crops

Theory Syllabus

Fruit breeding-history, importance in fruit production; Major problems in fruit breeding; Plant genetic resources, their conservation and utilization in fruit crops; Breeding objectives for improvement of commercial fruits (mango, citrus, guava, banana, grapes, strawberry, litchi, sapota, pomegranate, pineapple, papaya, apple, pear, peach, plum, cherry, kiwifruit, walnut, apricot, plantation crops-coconut, cocoa, tea, arecanut, coffee), their distribution, domestication and adaptation; Incompatibility, sterility, parthenocarpy and apomixes; Breeding methods- introduction, colonal selection, hybridization, mutation breeding, polyploid manipulation; Rootstock breeding and improvement of quality traits; Breeding for insect-pest and disease resistance and abiotic stresses; Biotechnological interventions in fruit crop improvement.

Practical Syllabus

Tools and equipment of use in fruit breeding; Studies on bearing habits and flower structure; in-vitro pollen germination test and determination of pollen viability; Methods of emasculation and pollination; Hybrid seed collection, extraction and storage; hybrid seed germination; Raising and evaluation of segregating populations; Induction of mutations through use of physical/chemical mutagens; Polyploidy manipulation; Hand on practice of Emasculation and pollination in major crops of the region.

Suggested Readings

1. Badenes M L and Byrne D H. 2012. Fruit Breeding. Springer Science, New York.

2. Dinesh M R. and Sankaran M. 2022. Fruit Breeding and Genetics. New India publishing Agency, New Delhi

3. Kumar N. 2014. Breeding of Horticultural Crops: Principles and Practices. NIPA, New Delhi.

4. Ray P K. 2002. Breeding Tropical and Subtropical Fruits. Narosa Publ. House, New Delhi.

5. Ghosh S N, Verma M K and Thakur A. 2018. Temperate Fruit Crop Breeding: Domestication to Cultivar Development. NIPA, New Delhi.