M. Mahadevappa, Agricultural Scientist
Agricultural Scientist

M. Mahadevappa

Born 4 August 1937 · verify — Died 6 March 2021

Developed high yielding hybrid rice varieties that transformed Indian agriculture.

Madappa Mahadevappa, popularly known as Rice Mahadevappa was an Indian agricultural scientist and plant breeder, renowned for developing high yielding hybrid varieties of rice. He served for more than 55 years and had a glowing career. He served as the Vice-chancellor of University of Agricultural Sciences, Dharwad for two terms and his selfless hard work along with broad vision lead to the award of ICAR's SARDAR PATEL OUTSTANDING INSTITUTION award in the year 2000 to UAS, Dharwad. He served as chairman of Agricultural Scientists Recruitment Board under Indian Council of Agricultural Research of which he was a member of governing council.

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A detail that
surprised us

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Mahadevappa’s Integrated Parthenium Weed Management created a scientific method to control a weed that had spread across millions of hectares in India by the late 20th century.

The Story

1. 🌾 In 1994, M. Mahadevappa took charge as Vice-Chancellor of University of Agricultural Sciences, Dharwad, setting a new benchmark in hybrid rice development over his two terms until 2000. 2. 🚜 By 2000, under his leadership, UAS Dharwad won the ICAR's Sardar Patel Outstanding Institution Award, a recognition for the university's strides in agricultural research and education. 3. 🔬 Mahadevappa developed over nine high-yielding hybrid rice varieties that helped transform rice productivity in India, directly impacting food security for millions. 4. 🌱 In the early 2000s, as chairman of the Agricultural Scientists Recruitment Board (2002-2003), he introduced transparent recruitment processes that accelerated promotions and strengthened ICAR's talent pool. 5. 🌿 He pioneered Integrated Parthenium Weed Management techniques, scientifically combatting the invasive Parthenium weed, a major threat to Indian agriculture. 6. After retirement, he led JSS Mahavidyapeetha’s rural development efforts by implementing the 'seed village' concept across 500 villages, benefiting over 7,600 Below Poverty Line farmer families with seed processing, nurseries, and silkworm rearing centers. 7. ❓ How did Mahadevappa’s innovations in hybrid rice and rural seed self-sufficiency reshape farming communities in Karnataka and beyond?

🏅 Awards & Honours

2005
Padma Shri
2014
Padma Bhushan

🔍 One thing most people don't know

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In 2002-2003, as chairman of the Agricultural Scientists Recruitment Board, he implemented reforms that drastically reduced recruitment delays and introduced transparency in the Indian Council of Agricultural Research system.

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Through the Years

1 photograph from the archives
M. Mahadevappa receiving the Padma Bhushan Award from President Pranab Mukherjee in New Delhi (2014)
M. Mahadevappa receiving the Padma Bhushan Award from President Pranab Mukherjee in New Delhi (2014)
2014

🗓️ A Life in Moments

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Birth
Born in Madapura, Karnataka
Madappa Mahadevappa was born in Madapura village, Chamarajanagar district, then Mysore State, British India.
1937
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Career
Became Vice-Chancellor at UAS Dharwad
Mahadevappa began his first term as Vice-Chancellor of University of Agricultural Sciences, Dharwad, a role he held until 2000.
1994
🏅
Award
UAS Dharwad awarded Sardar Patel Award
Under his leadership, UAS Dharwad received the ICAR's Sardar Patel Outstanding Institution Award.
2000
⚡
Career
Chairman of Agricultural Scientists Recruitment Board
He was appointed chairman of ASRB under ICAR and introduced recruitment transparency and expedited promotions.
2002
⚡
Career
Completed ASRB Chairmanship
Concluded his term as chairman, having reformed scientist recruitment and career progression in agricultural research.
2003
🕊️
Death
Passed away in Mysuru
Mahadevappa died at age 83 in Mysuru, Karnataka, after decades dedicated to agricultural science and rural development.
2021
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🗝️Discoveries

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01 / 04
🏆ACHIEVEMENT

His 'seed village' model reached about 7,633 families across ~500 villages in 28 districts, combining seed processing units, horticulture nurseries, and silkworm centers to create self-reliant rural economies.

02 / 04
🏆ACHIEVEMENT

Mahadevappa was a fellow of the National Academy of Agricultural Sciences, highlighting his recognition by a prestigious scientific body in India.

03 / 04
👤PERSONAL

Despite retiring, he continued grassroots agricultural development until his death in 2021, showing decades-long commitment beyond formal academic roles.

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🎙️ Speeches & Recordings

These recordings preserve the legacy of Bharat's icons
Padmashri Dr M Mahadevappa

🌱 What changed because of them

Mahadevappa’s hybrid rice varieties significantly boosted rice yields, influencing agricultural policies focused on food security. His leadership at UAS Dharwad led to institutional reforms and national awards, while his rural development work empowered thousands of poor farmers with sustainable seed production and employment opportunities, reducing dependency on external agencies.

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