Saturday 18 February 2023

39. Agricultural Biotechnology and Its Pros and Cons

 Agricultural Biotechnology

Definition:

    Agricultural biotechnology involves the application of cutting-edge biological techniques, such as genetic manipulation, to alter agricultural practices and products.

Introduction:

    There are advocates and critics of utilizing biotechnology in agriculture. Advocates assert that biotechnology can enhance agricultural productivity by increasing crop yields and bolstering crops' immunity against pests and diseases. Additionally, they maintain that biotechnology has the potential to conserve resources by minimizing the requirement for pesticides and herbicides. On the other hand, detractors express concerns about the potential hazards associated with genetically modified organisms (GMOs), such as unanticipated ecological consequences and the risk of GMOs cross-pollinating with non-genetically modified crops.


    Agricultural biotechnology is a widely used method to propagate desirable traits and enhance productivity. This is accomplished through selective breeding, which involves manipulating the organism's genetic makeup. By utilizing biotechnology, crops, and animals can experience improved growth, decreased reliance on pesticides, and heightened nutritional quality. However, it is important to acknowledge that agricultural biotechnology may also have negative impacts on human health and the environment.

Pros of Agricultural biotechnology 

  • Biotechnological Approaches to Enhance Nutritional Quality:

    Nutrient levels, including vitamins, are enhanced as a result of biotechnological approaches, resulting in improved dietary quality of food products. One example is golden rice, which has been genetically modified to contain three genes that enable humans to produce vitamin A. Similarly, the Banana 21 project has successfully enhanced the nutritional value of bananas by incorporating iron and vitamin A.


  • Biotechnological Techniques for Enhancing Good Traits in Crops and Livestock:
    Agricultural biotechnology enables the propagation of desirable traits in plants and animals. This has been achieved through genetic modifications that result in animals with enhanced traits, such as rapid growth and heightened disease resistance. Additionally, biotechnology has been used to clone the growth hormone gene in cattle, resulting in increased milk production in dairy cows. Certain environmental conditions, such as low temperatures and high atmospheric pressure, can render some regions unsuitable for crop cultivation.

  • Biotechnological Approaches for Reducing Pesticide Use:

    Agricultural biotechnology offers a solution for minimizing the use of pesticides by engineering crops with heightened resistance to pests and diseases. This increased resistance can lead to improved growth and higher food production. By reducing the need for excessive chemical application, the cost of production can be lowered and yields increased. Furthermore, minimizing chemical use in agriculture can reduce water and soil pollution, as chemical usage is one of the primary contributors to environmental contamination.

Cons of Agricultural biotechnology

  • Antibiotic Resistance:

    In agricultural biotechnology, antibiotic resistance genes are commonly utilized as markers to identify the presence of newly introduced desirable traits in plants. While this technique has proven effective in verifying successful gene transfer, there is a potential risk associated with the use of these genes. Specifically, there is concern that the utilization of antibiotic-resistance genes may lead to the emergence of new antibiotic-resistant bacteria, which can be difficult to treat using conventional antibiotics.
  • Health Risks and Concerns Associated with Agricultural Biotechnology:
    Agricultural biotechnology is a relatively new field, and the potential effects of its implementation on both the environment and human health remain uncertain. Opinions on this matter are divided, as experts are still investigating the potential health effects of genetically modified products on human beings. Genetic engineering, which is a common practice in agricultural biotechnology, involves the use of antibiotic-resistant genes as markers, which may have negative implications for health. Inserting these genes into a plant's genome could reduce the effectiveness of antibiotics and potentially transfer the resistance gene to pathogens, thus increasing their resistance to antibiotics.

  • Negative Effects of Agricultural Biotechnology on the Environment:

    The effects of agricultural biotechnology on the environment are not yet well understood due to the relatively recent development of the field. However, research has indicated that the use of biotechnology in agriculture may lead to the proliferation of herbicide-resistant weeds, which can have negative consequences for the ecosystem. Genetic engineering involves the transfer of specific genes between organisms, which can result in the unintentional transfer of unwanted genes into weeds and pests, making them more difficult to eradicate. Furthermore, the transfer of genes that make microorganisms such as bacteria and viruses more virulent may result in the emergence of new, potentially harmful strains. In addition, genetically engineered plants may produce new proteins that could be toxic to wildlife, further impacting the environment.

References:


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