Skip to main content

Hidden dangers of GM potatoes: 'Stunted, misshapen, chlorotic, necrotic, sterile'

By Bharat Dogra* 

Nearly 100 civil society representatives, farmer organizations, scientists and academics of Nigeria recently issued a statement calling upon their government to discontinue plans to introduce GM potatoes and to reject all GM crops. These critics drew attention to similar plans to introduce GM potatoes elsewhere in Africa too and said that potato farmers would be devastated if these plans went ahead. This statement was made after some reports stated that GM potatoes may be introduced in Nigeria next year in 2025.
In view of this escalation of this controversy on GM potatoes, this may be a good time to recall an interview published by 'Sustainable Pulse’ news website (under the title ‘The Creator of GMO Potatoes Reveals the Dangerous Truth’) with the Ex-Director of J.R. Simplot and team leader at Monsanto, Caius Rommens, who himself revealed the hidden dangers of the GMO potatoes he created (he has taken up these issues in greater detail in his book ‘Pandora’s Potatoes: The Worst GMOs’). 
This interview also has a larger relevance beyond potatoes for what it tells regarding the way such research is often conducted.
Rommens has stated in this interview: 
“During my 26 years as a genetic engineer, I created hundreds of thousands of different GM potatoes at a direct cost of about $50 million. I started my work at universities in Amsterdam and Berkeley, continued at Monsanto, and then worked for many years at J. R. Simplot Company, which is one of the largest potato processors in the world. I had my potatoes tested in greenhouses or the field, but I rarely left the laboratory to visit the farms or experimental stations. Indeed, I believed that my theoretical knowledge about potatoes was sufficient to improve potatoes. This was one of my biggest mistakes.” 
Further this senior scientist has stated:
“It is amazing that the USDA and FDA approved the GM potatoes by only evaluating our own data. How can the regulatory agencies assume there is no bias? When I was at J.R. Simplot, I truly believed that my GM potatoes were perfect, just like a parent believes his or her children are perfect. I was biased and all genetic engineers are biased. It is not just an emotional bias. 
"We need the GM crops to be approved. There is a tremendous amount of pressure to succeed, to justify our existence by developing modifications that create hundreds of millions of dollars in value. We test our GM crops to confirm their safety, not to question their safety.”
In this interview Rommens revealed that he led a small team of 15 scientists at Monsanto, and directed the entire biotech R&D effort at Simplot (up to 50 scientists). He stated his initial focus was on disease control but “I eventually considered all traits with commercial value.” He stated that he left J.R. Simplot when “my ‘pro-biotech’ filter was wearing thin and began to shatter; when I discovered the first mistakes. These first mistakes were minor but made me feel uncomfortable. I realized there had to be bigger mistakes still hidden from my view.”
He added: 
“Looking back at myself and my colleagues, I believe now that we were all brainwashed; that we all brainwashed ourselves. We believed that the essence of life was a dead molecule, DNA, and that we could improve life by changing this molecule in the lab. We also assumed that theoretical knowledge was all we needed to succeed, and that a single genetic change would always have one intentional effect only. We were supposed to understand DNA and to make valuable modifications, but the fact of the matter was that we knew as little about DNA as the average American knows about the Sanskrit version of the Bhagavad Gita. 
We just knew enough to be dangerous, especially when combined with our bias and narrow mindedness. We focused on short-term benefits (in the laboratory) without considering the long-term deficits (in the field). It was the same kind of thinking that produced DDT, PCBs, Agent Orange, recombinant bovine growth hormone, and so on. I believe that it is important for people to understand how little genetic engineers know, how biased they are, and how wrong they can be. My story is just an example.”
Further Rommens stated:
“I somehow managed to ignore the almost daily experience that GM potatoes were not as healthy as normal potatoes. They were often misshapen, stunted, chlorotic, necrotic, and sterile, and many GM plants often died quickly. One of the reasons for this genetic inferiority is that GM potatoes are derived from ‘somatic’ cells, which are meant to live for only one season (to support a stem or leaf structure). 
"These cells don’t have the genetic integrity to create new plants (like pollen cells and egg cells). So, by transforming somatic cells, we created GM potatoes that contained hundreds of genetic mutations, and these mutations compromised yield. Additionally, the genetic modifications often have ‘unintended’ effects that negatively affect both the agronomic performance and nutritional quality of a crop.”
The scientist added: 
“I believed that the GM potatoes were bruise resistant but now I understand I was wrong. The GM potatoes bruise just as easily as normal potatoes, but the bruises are concealed. They don’t develop the dark color that helps processors identify and trim them. I didn’t understand that my potatoes were incapable of depositing melanin, a protective compound, when damaged or infected. More importantly, I didn’t understand that the concealed bruises accumulate certain toxins that may compromise the nutritional quality of potato foods.”
Rommens stated in this interview: 
“My concern is that any attempt to promote the production of GM potatoes in humid regions (as vulnerable as Bangladesh and Indonesia) would actually increase rather than reduce disease issues.”
Coming to wider issues he said:
“The main problem about the current process for deregulation of GMO crops is that it is based on an evaluation of data provided by the developers of GMO crops. There is a conflict of interest. I propose that the safety of GMO crops is assessed by an independent group of scientists trained at identifying unintended effects.”
These observations of a scientist most closely involved in the development of GM potatoes need to be widely known, particularly in those countries where farmers and consumers are deeply disturbed by the high-level efforts of GM lobbyists to introduce GM potatoes.
---
*Honorary convener, Campaign to Save Earth Now. Recent books: "Protecting Earth for Children", "India’s Quest for Sustainable Farming and Healthy Food"

Comments

TRENDING

Swami Vivekananda's views on caste and sexuality were 'painfully' regressive

By Bhaskar Sur* Swami Vivekananda now belongs more to the modern Hindu mythology than reality. It makes a daunting job to discover the real human being who knew unemployment, humiliation of losing a teaching job for 'incompetence', longed in vain for the bliss of a happy conjugal life only to suffer the consequent frustration.

Was Netaji forced to alter face, die in obscurity in USSR in 1975? Was he so meek?

  By Rajiv Shah   This should sound almost hilarious. Not only did Subhas Chandra Bose not die in a plane crash in Taipei, nor was he the mysterious Gumnami Baba who reportedly passed away on 16 September 1985 in Ayodhya, but we are now told that he actually died in 1975—date unknown—“in oblivion” somewhere in the former Soviet Union. Which city? Moscow? No one seems to know.

Love letters in a lifelong war: Babusha Kohli’s resistance in verse

By Ravi Ranjan*  “War does not determine who is right—only who is left.” Bertrand Russell’s words echo hauntingly in our times, and few contemporary Hindi poets embody this truth as profoundly as Babusha Kohli. Emerging from Jabalpur, Madhya Pradesh, Kohli has carved a unique space in literature by weaving together tenderness, protest, and philosophy across poetry, prose, and cinema. Her work is not merely artistic expression—it is resistance, refuge, and a call for peace.

The golden crop: How turmeric is transforming women's lives in tribal India

By Vikas Meshram*   When the lush green fields of turmeric sway in the tribal belt of southern Rajasthan, Madhya Pradesh, and Gujarat, it is not merely a spice crop — it is the golden glow of self-reliance. In villages where even basic spices once had to be bought from the market, the very soil today is yielding a prosperity that has transformed the lives of thousands of families. At the heart of this transformation is the initiative of Vaagdhara, which has linked turmeric with livelihoods, nutrition, and village self-governance — gram swaraj.

Authoritarian destruction of the public sphere in Ecuador: Trumpism in action?

By Pilar Troya Fernández  The situation in Ecuador under Daniel Noboa's government is one of authoritarianism advancing on several fronts simultaneously to consolidate neoliberalism and total submission to the US international agenda. These are not isolated measures, but rather a coordinated strategy that combines job insecurity, the dismantling of the welfare state, unrestricted access to mining, the continuation of oil exploitation without environmental considerations, the centralization of power through the financial suffocation of local governments, and the systematic criminalization of all forms of opposition and popular organization.

Echoes of Vietnam and Chile: The devastating cost of the I-A Axis in Iran

​ By Ram Puniyani  ​The recent joint military actions by Israel and the United States against Iran have been devastating. Like all wars, this conflict is brutal to its core, leaving a trail of human suffering in its wake. The stated pretext for this aggression—the brutality of the Ayatollah Khamenei regime and its nuclear ambitions—clashes sharply with the reality of the diplomatic landscape. Iran had expressed a willingness to remain at the negotiating table, signaling a readiness to concede points emerging from dialogue. 

Buddhist shrines were 'massively destroyed' by Brahmanical rulers: Historian DN Jha

Nalanda mahavihara By Rajiv Shah  Prominent historian DN Jha, an expert in India's ancient and medieval past, in his new book , "Against the Grain: Notes on Identity, Intolerance and History", in a sharp critique of "Hindutva ideologues", who look at the ancient period of Indian history as "a golden age marked by social harmony, devoid of any religious violence", has said, "Demolition and desecration of rival religious establishments, and the appropriation of their idols, was not uncommon in India before the advent of Islam".

False claim? What Venezuela is witnessing is not surrender but a tactical retreat

By Manolo De Los Santos  The early morning hours of January 3, 2026, marked an inflection point in Venezuela and Latin America’s centuries-long struggle for self-determination and independence. Operation Absolute Resolve, ordered by the Trump administration, constituted the most brutal and direct military assault on a sovereign state in the region in recent memory. In a shocking operation that left hundreds dead, President Nicolás Maduro and First Lady Cilia Flores were illegally kidnapped from Venezuelan soil and transported to the United States, where they now face fabricated charges in a New York federal detention facility. In the two months since this act of war, a torrent of speculation has emerged from so-called experts and pundits across the political spectrum. This has followed three main lines: One . The operation’s success indicated treason at the highest levels of the Bolivarian Revolution. Two . Acting President Delcy RodrĂ­guez and the remaining leadership have abandone...

The price of silence: Why Modi won’t follow Shastri, appeal for sacrifice

By Arundhati Dhuru, Sandeep Pandey*  ​In 1965, as India grappled with war and a crippling food crisis, Prime Minister Lal Bahadur Shastri faced a United States that used wheat shipments under the PL-480 agreement as a lever to dictate Indian foreign policy. Shastri’s response remains legendary: he appealed to the nation to skip one meal a day. Millions of middle-class households complied, choosing temporary hunger over the sacrifice of national dignity. Today, India faces a modern equivalent in the energy sector, yet the leadership’s response stands in stark contrast to that era of self-reliance.