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
Plant breeding technique has helped sugar industry in North India. Explain how.
List the two steps the classical plant breeding involves.
Explain the effect of light and temperature on photosynthesis.
Which method of plant breeding has been used to develop a powdery mildew-resistant variety of moong beans?
The scientific process by which crop plants are enriched with certain desirable nutrients is called ______.
A collection of all the alleles of all the genes of a crop plant is called ______.
Discuss natural selection and artificial selection. What are the implications of the latter on the process of evolution?
Mutations are beneficial for plant breeding. Taking an example, justify the statement.
Give a reason for the following:
The continuous inbreeding of crops may lead to reduced fertility and productivity. However, the self-pollinated crops do not show the ill-effects of inbreeding.
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.
