Advertisements
Advertisements
प्रश्न
With the help of suitable diagram define 'bagging' and 'tagging' of flower.
Advertisements
उत्तर
Bagging: During Hybridization, emasculated flowers are covered with butter paper or polythene bag of suitable size to prevent pollination by pollengrains of unwanted source. This is known as bagging.
Tagging: After dusting the pollengrains on stigma of emasculated flower, it is rebagged and tag with relevant information such as date of emasculation, date of pollination, details of male and female parents, etc is attached with plants. This is known as tagging.
APPEARS IN
संबंधित प्रश्न
Identify 'A', 'B', 'C' and 'D' in the given table.
| Crop | Variety | Resistance to disease |
| A | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | B |
| Brassica | Pusa Swarnim | C |
| Cowpea | D | Bacterial blight |
List the two steps the classical plant breeding involves.
Answer the following question.
How did plant breeding techniques help north Indian farmers to develop cane with desired characters?
Give an account of mutation breeding with examples.
The science of changing and improving the heredity of plants is called ______
Shakti, Rattan and protina are three important lysine-rich varieties of:
Sonalika and Kalyan Sona are varieties of ______.
Give two important contributions of Dr. M. S. Swaminathan.
It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.
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.
