main steps in breeding a new genetic variety🍷🐱‍🏍

Question 1

agriculture employs in india

Answer 1

33% gdp and 62% population

Question 2

traditional farming

Answer 2

yield only limited biomass

Question 3

methods that can +se only to a limited extent

Answer 3

better management practices and +se in acreage

Question 4

tech that can |^se yields to a v large extent

Answer 4

plant breeding

Question 5

the char. that breeders have tried to incorporate

Answer 5

}^se crop yield n improved quality
}^se tolerance to envirnmental stresses
resistance to pathogens to insect pest
}^se tolerance to pathogens

Question 6

main steps in breeding new vaiety

Answer 6

1.collection of variety-
genetic variety is the root of any breeding programme

the entire collection containing all diverse alleles for all the genes in a cop c/as germplasm colection

                         2.evaluation of parents- the selected parents are multiplied and used in process of hybridisation, purelines are created whenevar  paossible and desirable

            3.cross hybrisn among selected parents- a very time consuming n tedious process, usually only one in a few 100 to 1000 crosses show desirable comb.

          4. selection n testing pf sup. recombinants - this process is crucial to the success of breeding obj. n requires carefull scientific evaaluation of the progeny  .

5. testing,release and commercialisn of new cultivars-

newly selected lines are evaluates for thr YIELD, OTHER AGRONOMIC TRAITS OF QUALITY, DISEASE RESISTANCE.
evaluation done in research field n performance recorded under ideal fertilizer app, irrigation, other crop management tech.

Question 7

mutation breeding-
sonora 64 ,lerma rojo [wheat]

rice -remei and atomita-2

-in mung bean

Answer 7

sharbati sonora and pusa lerma

45 varieties upto 1992

resistance to ymv and powdery mildew