What is bagging technique ? How is it useful in plant breeding programmes ?

Solution

Bagging technique is used to ensure cross pollination in artificial hybridization of plants.

Anthers are removed before they dehisce from the flower of the female plant if it is bisexual. This step is referred to as emasculation. There is no need to remove the anthers if the flower is unisexual. The flowers are then covered with a bag of suitable size, generally made up of butter paper, to prevent contamination of its stigma with unwanted pollen. This process is called bagging.

Advantages of bagging technique

1. It is necessary for cross-breeding and to prevent pollination by unwanted species in plant breeding.

2. Commercially superior hybrid varieties can be obtained by cross pollination of different useful species.

3. It helps to avoid inbreeding depression caused by self pollination.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

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Sexual Reproduction In Flowering Plants

What is bagging technique ? How is it useful in plant breeding programmes ?

Some More Questions From Sexual Reproduction in flowering Plants Chapter

The female gametophyte of a typical dicot at the time of fertilization is:

Development of embryo from any cell of nucellus is called :

Parthenocarpic fruit is :

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

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