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INVASIVE WEED MANAGEMENT
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- 18-year-old Colorado student Natalie Muro invents wave-powered device that fights toxic algal blooms using invasive weed
- 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 forest
- 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 the early 1900s, Hawaiʻi imported a thorny European shrub to feed sheep and fence pastures; it now forms 6-foot walls that fuel fires and sprout againGorse, introduced to Hawai'i around 1900 for sheep fodder and fences, has become a persistent invasive problem. This spiny shrub thrives in...13 Aug, 2026, 03.00 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
- Rare yellow flower unseen on California public land for 68 years resurfaces after cattle clear invasive weedsA rare yellow flower, unseen for 68 years, has reappeared on public land. Botanists discovered the caper-fruited Tropidocarpum in Californi...31 Jul, 2026, 05.37 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
- 10 acre organic farm, 400 cacao trees: Goa woman quit engineering to pursue her love for baking. Now, she grows her own cacao beans and makes delicious chocolate tea, pastries, bars and more at her cafeAlvinia De Souza, a former corporate professional, has revolutionized chocolate-making in India by establishing a 10-acre organic cacao far...28 Jun, 2026, 03.12 PM IST
- Australian agriculture could lose $5 billion from the colourful flower you might be growingOriginally introduced for its beauty and ease of care, Gazania is now a highly invasive species in Australia, posing a significant ecologic...09 Jun, 2025, 11.50 AM IST
- Oil India Ltd & GMC ink MoU to collaborate on transformation of Municipal Solid Waste into compressed biogasOil India Limited (OIL) and Guwahati Municipal Corporation (GMC) have entered into a Memorandum of Understanding (MoU) to collaborate on co...21 Jan, 2024, 07.43 PM IST
- What is Japanese knotweed and why is it hard to get rid of it? Here’s all you may want to knowJapanese knotweed has recently emerged in the news after an accountant was handed a £200,000 legal bill after he was found guilty of sellin...26 Jan, 2023, 07.34 PM IST
- Kaziranga National Park & Tiger Reserve faces new threat from invasive plant speciesThese invasive plant species that have been found in different ranges of the national park are posing a grave threat to the habitats, inclu...25 Jun, 2022, 08.26 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
- Assam tea industry discusses prospects of drones' application in agricultureA talk was held in Guwahati where Dr. Manzul Kumar Hazarika, Director of the Geoinformatics Center of the Asian Institute of Technology (AI...22 Jan, 2019, 11.10 PM IST
- Invasive alien plants could be promoted as foodKolkata, Nov 30 (IANS) Invasive plant species such as alligator weed, which threatens natural ecosystem, could be promoted as a food produc...30 Nov, 2016, 01.59 PM IST
- Srivilliputhur sanctuary to raise fodder trees for resident animalsWith ample rain inside Srivilliputhur Grizzled Squirrel Wildlife Sanctuary, the forest department here has commenced a drive to raise fodde...20 Oct, 2013, 06.09 AM IST
- Melghat tiger reserve has good scope for meadowsMelghat Tiger Reserve in Amravati district, one of the oldest tiger reserves in India established in 1973, has unique and excellent grassla...17 Oct, 2012, 03.35 PM IST
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