Advertisements
Advertisements
Question
With the help of suitable diagram define 'bagging' and 'tagging' of flower.
Advertisements
Solution
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
RELATED QUESTIONS
Identify ‘a’, ‘b’ and ‘c’ in the following table:
| S. No. | Crop | Variety | Insect Pests |
| 1. | Brassica | Pusa Gaurav | ‘a’ |
| 2. | Flat bean | Pusa Sem 2 Pusa sem 3 |
‘b’ |
| 3. | ‘c’ | Pusa Sawani Pusa A-4 |
Shoot and fruit borer |
Name any two common Indian millet crops.
Enumerate four objectives for improving the nutritional quality of different crops for the health benefits of the human population by the process of "Biofortification".
In an agricultural field there is a prevalence of the following organisms and crop diseases which are affecting the crop yield badly:
- White rust
- Leaf and stripe rust
- Black rot
- Jussids
Recommend the varieties of crops the farmers should grow to get rid of the existing problem and thus improve the crop yield.
Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
Answer the following question.
How did plant breeding techniques help north Indian farmers to develop cane with desired characters?
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 thalamus contributes to the fruit formation in ______
You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.
Mutations are beneficial for plant breeding. Taking an example, justify the statement.
