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What Are Genetically Modified Crops (GM Crops)?

Genetically Modified Crops abbreviated as (GM Crops) have revolutionized agriculture by integrating science and innovation. Learn all about the GM Crops here.
authorImageDeeksha Dixit22 Nov, 2024
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Genetically Modified Crops

GM Crops: In August 2024 the Supreme Court of India directed the Union Government to create a national policy on Genetically Modified Crops (GM Crops). These crops are developed by altering the DNA of regular crops using genetic engineering techniques.

The goal of introducing GM crops is to improve the crops' resistance to diseases, pests, or environmental conditions, as well as to enhance nutritional value. Keep reading to learn what a genetically modified crop is, its applications, and the concerns surrounding it.

GM Crops Full Form

The full form of GM Crops is Genetically Modified Crops. GM Crops refer to plants whose genetic material has been altered using the technique of genetic engineering. This process involves manipulating the DNA of a plant to introduce traits that are not naturally found in the species. Scientists introduce specific genes into the crop's genome to enhance desirable traits like pest resistance, drought tolerance, or improved nutritional content. For example:
  • Bt cotton: A widely cultivated GM crop in India, modified with genes from Bacillus thuringiensis to resist bollworms.
  • Golden Rice: A GM crop fortified with Vitamin A to combat malnutrition.
Image credit: GEAC

Applications of Genetically Modified Crops

Genetically Modified crops offer various applications that can significantly transform agriculture and associated industries. Here are the primary applications:
  • Pest Resistance : One of the most significant benefits of these crops is their ability to resist pests. For example, Bt cotton produces a protein toxic to specific insect pests, reducing the need for harmful pesticides.
  • Herbicide Tolerance : Some GM crops, such as glyphosate-resistant soybeans , are engineered to tolerate specific herbicides. This allows farmers to control weeds more effectively without damaging the crops.
  • Improved Yield : By introducing specific genetic traits, such as pest resistance, drought tolerance, and disease resistance, GM crops can produce higher yields compared to traditional varieties to ensure food security.
  • Reduced Pesticide Use: Pest-resistant GM crops decrease the need for chemical pesticides, protecting biodiversity and reducing environmental toxicity. This also benefits the ecosystems and water quality.
  • Enhanced Soil Health: Reduction in chemical inputs helps improve soil quality by preventing degradation. Some GM crops also promote better root systems, reducing erosion and maintaining soil fertility.
  • Better Nutritional Value: Some crops like Golden rice can address micronutrient deficiencies, especially in regions where malnutrition is a serious issue. They can help combat Vitamin deficiency and improve public health.

GM Crops in India

India has seen considerable debate over the adoption of GM crops. Bt cotton was introduced in 2002 and remains the only commercialised GM crop in India. The status of GM Crops in India is as follows:
  1. Bt Cotton: It is the first non-food GM crop and has significantly boosted cotton yields by resisting bollworm infestations, reducing the need for pesticides. By 2018-19, Bt cotton made up 95% of the cotton planted in India.
  2. Bt Brinjal : In 2009, Bt brinjal was cleared by the Genetic Engineering Appraisal Committee (GEAC) for commercial cultivation. However, it faced opposition and was placed under a 10-year moratorium. Field trials for two new Bt brinjal varieties resumed in 2020-2023.
  3. GM Mustard (DMH-11): Developed by Delhi University, DMH-11 is a GM mustard variety designed to improve yield and disease resistance. It has not yet been approved for commercial cultivation.

Concerns Related to GM Crops

GM crops have been opposed in India despite their advantages due to associated concerns. Here is why Genetically Modified crops are yet to be accepted for large-scale cultivation: Environmental Concerns
  • Biodiversity Loss: GM crops like GM mustard could cross-pollinate with wild relatives, leading to a reduction in genetic diversity
  • Gene Contamination: Gene flow from GM crops to non-GM varieties poses a threat to organic farming and traditional crop varieties.
Health Concerns
  • Allergenicity and Toxicity: GM crops may introduce new proteins that could be allergens or toxins, raising concerns about human health.
  • Glyphosate and Cancer Risk: Glyphosate, widely used with herbicide-tolerant crops, has been classified as a "probable carcinogen" by the WHO.
Socio-Economic Concerns
  • Farmers’ Rights : Dependency on multinational companies for patented GM seeds can burden small farmers.
  • Economic Inequality : High costs of GM seeds may widen the gap between large-scale and small-scale farmers.

GM Crops Regulation in India

Due to the above concerns, the regulation of GM crops in India is strict to ensure their safety for health and the environment. Multiple agencies work together to govern the approval, trial, and commercialisation processes of a GM crop:

Regulatory Bodies

  1. Genetic Engineering Appraisal Committee (GEAC): The GEAC is the primary body responsible for evaluating and approving GM crops for commercial cultivation. It ensures that GM crops meet safety and environmental standards before they are allowed in the market.
  2. Review Committee on Genetic Manipulation (RCGM) : The RCGM oversees the research, development, and trials of GM crops. It reviews scientific data on GM crops and ensures that experiments comply with safety protocols before they are submitted to the GEAC for final approval.
  3. State Biotechnology Coordination Committee (SBCC): The SBCC operates at the state level and coordinates the implementation of biotechnological policies. It ensures that GM crop trials in states comply with national guidelines.

Acts and Policies Regulating GM Crops

  1. Environment Protection Act (EPA) 1986:
  2. Biological Diversity Act, 2002
  3. Plant Quarantine Order, 2003
  4. GM policy under Foreign Trade Policy
  5. Food Safety and Standards Act, 2006
  6. Drugs and Cosmetics Rule (8th Amendment), 1988

UPSC PYQs on Genetically Modified Crops

UPSC Prelims 2018 : With reference to the Genetically Modified 65 mustard (GM mustard) developed in India, consider the following statements:
  1. GM mustard has the genes of a soil bacterium that give the plant the property of pest resistance to a wide variety of pests.
  2. GM mustard has the genes that allow the plant cross-pollination and hybridization.
  3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University.
Which of the statements given above is/are correct?
  1. 1 and 3 only
  2. 2 only
  3. 2 and 3 only
  4. 1, 2 and 3
Genetically Modified (GM) Crops are a double-edged sword. On one hand, they offer solutions to agricultural challenges, while on the other, they raise concerns about safety and sustainability. India’s cautious approach highlights the need for robust policies that balance innovation, safety, and farmer welfare. ?si=bv8mnFksxgettWij

To learn such complex topics in detail, explore PW UPSC Courses now!

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GM Crops FAQs

What are GM crops?

GM crops are genetically modified crops created by altering their DNA to enhance traits like pest resistance, drought tolerance, or nutritional value.

What are some examples of GM crops?

Examples include Bt cotton (pest-resistant), Golden Rice (Vitamin A-enriched), and genetically engineered soybeans (herbicide-resistant).

Why is Bt cotton significant in India?

Bt cotton, India’s first GM crop, significantly increased cotton yields and reduced the need for chemical pesticides.

Are GM crops banned in India?

No, GM crops are not completely banned, but India has restrictions on the cultivation and import of genetically modified crops and foods.

How are GM crops regulated in India?

The Genetic Engineering Appraisal Committee (GEAC) and other regulatory bodies ensure GM crops’ safety through strict approval and monitoring processes.
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