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प्रश्न
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
विकल्प
cloning
heterosis
selection
introduction
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उत्तर
Introduction
संबंधित प्रश्न
Name any two common Indian millet crops.
Describe the mass flow hypothesis for translocation of organic solutes (food) in plants.
Give the scientific term used for the preservation of germplasm at a very low temperature.
Which one of the following crop varieties correct matches with its resistance to disease?
| Variety | Resistance to disease |
| a) Pusa Komal | Bacterial blight |
| b) Pusa Sadabahar | White rust |
| c) Pusa Shubhra | Chilli mosaic virus |
| d) Brassica | Pusa swarnim |
The biggest constraint of plant breeding is:
A collection of all the alleles of all the genes of a crop plant is called ______.
What is emasculation? Why and when is it done?
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
How the resistance in crops can be developed?
Given below are the steps involved in plant breeding program. Identify the correct sequence of these steps.
i. collection of variabilities
ii. hybridization
iii. evaluation and selection of parents
iv. testing, release and commercialization of new cultivars.
v. selection and testing of superior recombinants.
