Controlling whiteflies: How marigold is helping to promote safer alternatives for pest management

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Marigold (Asteracae) are commonly used as tools for the prevention of whitefly infestations in fields (© Pexels)

In a recently published study, researchers have identified the natural insect repelling chemical produced by marigold, reinforcing what farmers have culturally used for years as a tool to prevent or reduce whitefly infestations.

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Maize lethal necrosis disease on the decline in Kenya

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Plant clinic data collected by Plantwise countries in East Africa has corroborated a statement from the International Maize and Wheat Improvement Center (CIMMYT) which said maize lethal necrosis disease (MLN) is “under control but not eradicated”.

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Update: New Pest & Disease Records (05 April 2019)

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This month’s pest alerts include a report of a new species of Momphidae moth (Mompha lacteela) in the Netherlands, which is commonly found egg-laying on willowherb with its larvae mining in the plant roots (© Delphine Menárd)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this month include the first report on North American poplar leaf rust fungus (Melampsora medusae) in China, reports on a new species of Momphidae identified in the Netherlands and a new relative of the Irish famine pathogen Phytophthora infestans in South America. Continue reading

Update: New Pest & Disease Records (05 March 2019)

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This month’s pest alerts contains the first report of the pest Urentius euonymus on Althea in Turkey (© Pexels)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include a report on a new pest on Althea in Turkey, a new species of longhorn beetle (Cerambycidae) in Albania and the first report of Angarus as an egg parasitoid of the banana lacewing bug (Stephanitis typica). Continue reading

Update: New Pest & Disease Records (05 February 2019)

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This month’s pest alerts includes the first report of hop stunt viroid infecting strawberries in China (© Pexels)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include the first report of grapevine yellow speckle viroid-2 infecting grapevines, the first report of hop stunt viroid infecting strawberries in China and the first report of bean yellow mosaic virus infecting Tropaeolum maius in Hawaii. Continue reading

Crops downwind from wildfires at risk from atmospheric pollution

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Wildfires release pollutants such as aerosols, carbon dioxide. Both of which are known greenhouse gasses. (© Pexels)

With increasing numbers of wildfire disasters globally, research has shown that pollutants released from wildfires can affect crops, forests and other vegetation hundreds of kilometers downwind from the source.

As global temperatures increase, moisture and precipitation levels change, and dry areas becoming drier, the likelihood of droughts and prolonged wildfire seasons are increasing.These exacerbated conditions are also likely to cause more intense and prolonged burning.

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Plant doctor advice increasing availability of clean banana suckers in Kitema, Uganda

By Mary Bundi and Charles Tumuhe

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In Uganda the majority of the young people are unemployed, and efforts to create employment opportunities within the agriculture sector are yielding little to no interest among them. Agriculture is not viewed as a viable employment sector, due to the perceptions that agriculture as a profession is labour intensive, results in high crop losses from pests and diseases, and generates low income with little profitability that cannot support their livelihoods.

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