Question

describe biofortification?? ​

Answer 1

Biofortification, the increase of micronutrients in the edible parts of the plants, can be achieved by either mineral fertilization or plant breeding. Biofortification by mineral fertilization is a common practice in some countries that applied selenium-containing fertilizers as a short-term solution for improving selenium content of wheat.

Biofortification through plant breeding consists of the development of micronutrient-enhanced crop varieties through conventional breeding. Nevertheless, the implementation of this type of biofortification requires the identification of genetic resources to determine the interaction of genotype and environment, to define the desired level of micronutrient increase, and finally to assess the cost-effectiveness. So far, it seems a sustainable and cost-effective approach for reaching biofortification in zinc and iron.

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Answer 2

Biofortification is a process of breeding crops with higher levels of vitamins, minerals, proteins, and fat content. This method is employed to improve public health. Breeding of crops with improved nutritional quality is undertaken to improve the content of proteins, oil, vitamins, minerals, and micro-nutrients in crops. It is also undertaken to upgrade the quality of oil and proteins. An example of this is a wheat variety known as Atlas 66, which has high protein content in comparison to the existing wheat. In addition, there are several other improved varieties of crop plants such as rice, carrots, spinach etc. which have more nutritious value and more nutrients than the existing varieties.