Question

Explain the various methods of crop improvement . Name one improved variety of Rice , Maize , Soyabean , Sunflower and Mustard.

Answer 1

Olá User.
Here's ur answer.

⭐ Methods are as follows :
▫ Hybridization :It is cross- breeding between genetically dissimilar plant varieties.It can be of following three types:
(a) Intervarietal (b) Interspecific (c) Intergeneric.
▫ Choice of Plant Varieties.
▫ Cross-breading between Selected Varieties.
▫ Recombinant DNA Technology.
▫ Mutation Breeding.
▫ Polyploidy.

⭐ Improved varieties are as follows:
▫ RICE : Pusa Basmati , Jaya , IR36 ,Padma and IR-8.
▫ MAIZE : Navjot , Shakti , Vikram and Ganga-5.
▫ SOYABEAN : Pusa 29 and Durga.
▫ MUSTARD : Pusa Agarni , Pusa Bold and Kranti.

HOPE IT HELPS!!
@Charlie16.

Answer 2

⭐ Methods are as follows :

▫ Hybridization :It is cross- breeding between genetically dissimilar plant varieties.It can be of following three types:

(a) Intervarietal (b) Interspecific (c) Intergeneric.

▫ Choice of Plant Varieties.

▫ Cross-breading between Selected Varieties.

▫ Recombinant DNA Technology.

▫ Mutation Breeding.

▫ Polyploidy.

⭐ Improved varieties are as follows:

▫ RICE : Pusa Basmati , Jaya , IR36 ,Padma and IR-8.

▫ MAIZE : Navjot , Shakti , Vikram and Ganga-5.

▫ SOYABEAN : Pusa 29 and Durga.

▫ MUSTARD : Pusa Agarni , Pusa Bold and Kranti.