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BIOLOGICAL CONTROL OF WEEDS
In 2001, USDA researchers released salvinia weevils in Texas and Louisiana; by 2003, weed cover had fallen near release sites while untreated controls stayed choked- In 1946, imported beetles were released against toxic St. Johnswort in northern California; by 1957, the weed had fallen to less than 1% of its former abundance
- Since 1971, Oregon has used a flea beetle against tansy ragwort; 7 years later, the state said the biocontrol had cut infestations by 90%
- In 1998, over 1,000 truckloads of orange peels were dumped in a barren Costa Rica pasture, 15 years later it turned into a dense forestIn a groundbreaking initiative in Costa Rica, researchers turned orange waste into a remarkable tool for land restoration. This organic byp...19 Aug, 2026, 03.33 PM IST
- For thousands of years, Pacific farmers adapted crops to drought and changing weather; now Samoa and Tonga are combining that ancestral knowledge with modern science to rebuild soil, manage weeds and make farms more climate-resilientPacific farmers are reviving ancestral wisdom and scientific methods for climate resilience. Traditional practices like mulching and sheep ...17 Aug, 2026, 10.25 PM IST
- In 1917, botanist Joseph Rock introduced albizia to Hawai‘i for reforestation. Now it has infested thousands of acres in O‘ahu and eastern Hawai‘i IslandIntroduced to Hawaii in 1917 as a solution for reforestation, the Albizia tree quickly established itself as an invasive species. By 2018, ...17 Aug, 2026, 07.56 PM IST
- In 1884, Louisiana displayed South American water hyacinth for its lavender flowers; within decades, floating mats covered 126,000 Florida acres and blocked waterwaysOriginating in 1884, water hyacinth transformed into a significant nuisance for Florida by the 1950s. This aggressive floating plant overto...13 Aug, 2026, 04.10 PM IST
- In the early 1970s, Maui planted miconia for its spectacular purple leaves; its descendants spread across East Maui and threatened native forest watershedsIntroduced to Maui in the 1970s, Miconia calvescens, known as the velvet tree, has emerged as a significant invasive species. Its swift spr...13 Aug, 2026, 03.50 PM IST
- In 1988, USDA scientists released just 88 flea beetles in North Dakota; their descendants multiplied into hundreds of millions across North AmericaIn North Dakota, a targeted release of flea beetles marked the beginning of a successful biological control initiative. These beetles flour...11 Aug, 2026, 05.19 PM IST
- South Africa, in the mid-1800s, planted millions of Australian acacias as a dune fix; 180 years later, that decision is costing the country its rivers and ecosystemA 19th-century solution to coastal erosion in South Africa, planting Australian Acacia trees, has become a major environmental crisis. Thes...06 Jul, 2026, 05.00 PM IST
- Trump administration re-approves twice-banned dicamba pesticideUS President Donald Trump's administration on Friday re-approved the use of pesticide dicamba for spraying on top of genetically-modified c...07 Feb, 2026, 07.13 AM IST
- How USAID's assistance brought a poisonous 'alien' plant to India on request of Jawaharlal Nehru, and its still troubling usThe article discusses the outbreak of Parthenium, an invasive weed, in India during the 1950s. This unwelcome species, which came with grai...24 Feb, 2025, 11.56 AM IST
- Yamuna cleaning begins after Delhi polls; Here's the planThe cleaning of the Yamuna river in Delhi has commenced, backed by a strategic plan to tackle pollution within three years. Prime Minister ...17 Feb, 2025, 03.20 PM IST
- UPL Q3 results: Net profit rises 12% to Rs 793 croreRevenues from operations increased 3%, to Rs 9,125 crore during the December quarter as against Rs 8,892 crore during the same period last ...29 Jan, 2021, 08.02 PM IST
- Insecticides India plans to launch 3 new products before DiwaliThe company has lined up 10 new products, both technicals and formulations, for the launch in the rabi cropping season of this year and is ...18 Oct, 2020, 04.10 PM IST
- Scientists call for rethink of India's British-era forest fire policiesKarnataka’s Principal Chief Conservator of Forests Punati Sridhar told ET Magazine around 550 hectares would have been severely affected, t...03 Mar, 2019, 12.20 PM IST
- A Mexican bug can solve Karnataka's Weed problemThe bug, called Lantana Lace (tingid), was found in parts of Bandipur tiger reserve in Karnataka this month, feasting on lantana weeds and ...24 Aug, 2017, 10.53 AM IST
- Small decline in farm land not to hit food production: Sharad PawarA marginal decline in cultivable land has not adversely affected the country's food production, Agriculture Minister Sharad Pawar said toda...11 Feb, 2014, 04.58 PM IST
- Govt plans to issue Biometric PAN cardsThe government has decided to issue biometric PAN cards to taxpayers across the country to weed out the problem of duplicate and fake ones.12 Apr, 2011, 03.22 AM IST
- ICS 2007 stresses on organic farming of coconutInternational Coconut Summit (ICS) on Friday drew a 12-point 'Kochi Declaration' to lay emphasis on adopting organic agriculture for coconu...11 May, 2007, 10.04 PM IST
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