strategies for food enhancement Flashcards
Plant breeding dates back to __ to __ years ago
9000 to 11,000
____ is the root of any breeding programme
Genetic variability
In mnay crops, pre existing genetic variability is available from __
Wild relatives of the crop
What is germplasm collection
The entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop.
Agriculture accounts for __% of india’s GDP
33%
Agriculture employs __% of India’s population
62%
What led to a dramatic increase in food production of India in the mid-1960s. What was this phase called.
Developement of several high yielding varieties of wheat and rice as a result of various plant breeding techniques
Green revolution
Crop losses can often be significant, upto ___ to __%, or sometimes even total.
20-30%
Breeding is carried out by __ or __
Conventional breeding techniques
Mutation breeding
What type of radiation is used to induce mutation artificially
Gamma radiations
Give an example for mutation breeding
In mung bean, the resistance to yellow mosaic virus and powdery mildew were induced by mutations
Resistance to yellow mosaic virus in bhindi (Abelmoscus escelendus) was transferred from a wild species and resulted into a new variety of A.esculentus called
Parbhani kranti
More than how many peole doesnt have adequate food
840 million
How many people suffer from nutrient deficiencies
3 billion
What is biofortification
Breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats
Breeding for improved nutritional quality is undertaken with the objectives of improving (4)
Protein content and quality
Oil content and quality
Vitamin content and quality
Micronutrient and mineral content
How many Kg of grains does it take to produce 1Kg of meat
3-10Kg
More than __% of human population os suffering from malnutrition and hunger
25%
Certain bacterial species like ___, because of its high rate of biomass production and growth, can be expected to produce __ tonnes of protein
Methylophilus methylotrophus
25 tonnes
It was learnt by scientists, during which year, that while plants could be regenerated from explants
1950
Scsientists have succeeded in culturing meristems of (3)
Banana, sugarcane, potato
