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Plant Biotechnology - Botany - Lecture Slides, Slides of Botany and Agronomy

Central University of HaryanaBotany and Agronomy

These are the important key points of lecture slides of Botany are:Plant Biotechnology, Biotechnology and Agriculture, Biotechnology and Modern Agriculture, Brief History, Crop Improvement, Crop Domestication, Artificial Selection, Origins of Crop Domestication, Desirable Genetic Traits, Genetic Selection

Typology: Slides

2012/2013

Uploaded on 01/09/2013

prakash
prakash 🇮🇳

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Plant Biotechnology
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Download Plant Biotechnology - Botany - Lecture Slides and more Slides Botany and Agronomy in PDF only on Docsity!

Plant Biotechnology

What is plant biotechnology?

• Manipulating plants and plant parts for

practical uses

– Improved food crops

• Higher yields

• Improved nutrition

• Environmental tolerances

– Improved production of valuable molecules

– Production of novel molecules

Biotechnology and modern agriculture

A brief history of crop

improvement

• Strategies to manipulate genomes

– Selection of desirable traits (manipulating population

genetics)

– Introducing new genetic traits to a genome

  • Hybridization technologies
    • Cross pollination
    • Plant tissue culture (protoplast fusion)
  • Gene transfer technologies
    • Genetic “transformation” (gene gun, Agrobacterium

tumefaciens )

– Create a new trait (directed evolution)

Crop domestication

  • Artificial selection since ~9,000 B.C.

Selection of desirable genetic traits

Many

selection

strategies have

been

developed

  • Example: Mass selection