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
Vijaya, Padma, Kanti and Jayanti are high-yielding varieties of ______.
Definition and importance of Imbibition
Describe briefly various steps of plant breeding methods.
Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.
| Column-I | Column-II | ||
| (I) | Banana | (p) | little leaf |
| (II) | Sugarcane | (q) | bunchy top |
| (III) | Papaya | (r) | leaf roll |
| (IV) | Brinjal | (s) | grassy shoot |
| (t) | leaf curl |
Mutations in plant cells can be induced by ______
A collection of all the alleles of all the genes of a crop plant is called ______.
Discuss the two main limitations of plant hybridization programme.
Give two important contributions of Dr. M. S. Swaminathan.
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
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.
