Artificial Hybridisation & Emasculation — NEET Biology
📚 Practice ConceptA breeder is interested in crossing different species and often genera to combine desirable characters to produce commercially 'superior' varieties. Artificial hybridisation is one of the major approaches of crop improvement programme. In such crossing experiments it is important to make sure that only the desired pollen grains are used for pollination and the stigma is protected from contamination (from unwanted pollen). This is achieved by emasculation and bagging techniques.
Match the terms related to artificial hybridisation with their correct descriptions: Column I (Term) 1. Artificial hybridisation 2. Emasculation 3. Bagging 4. Rebagging 5. Unisexual flowers Column II (Description) A. Removal of anthers from bisexual flower bud before anthesis using forceps B. Covering emasculated flower with butter paper to prevent unwanted pollen contamination C. Transfer of desired pollen onto stigma of emasculated and bagged flower D. Major approach of crop improvement to combine desirable traits by controlled pollination E. In such cases emasculation is not required; only bagging and controlled pollination is done
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