Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

’Biofumigants’ to help beat the wilt

15.09.2003


Poor farmers in developing countries could soon be using a range of ’biofumigant’ plants to help increase tropical vegetable yields.



CSIRO is part of a research team from Australia and the Philippines which has found that brassica species such as radish, mustard or broccoli can be used to help reduce yield losses from Bacterial Wilt - the major pathogen of vegetables in tropical farming.

"Brassicas contain compounds that suppress pests and pathogens, principally isothiocyanates (ITCs)," says CSIRO Plant Industry researcher, Dr John Kirkegaard.


"When ITCs are released by manuring, soil-borne pests and pathogens are suppressed and yields of solanaceous vegetables such as potatoes, tomatoes and eggplants can be increased by up to 40 per cent. The effect is known as ’biofumigation’."

The project has already evaluated brassica species and management techniques with the aim of maximising the biofumigant effect. Current field trials in the Philippines and in North Queensland are examining ways of making biofumigation practical and effective for developing countries.

Using brassicas to manage soil-borne pests is not new - there are many previous reports of disease suppression - but new insights and techniques to measure the processes involved in the release of chemicals in soil has provided opportunities to enhance the reliability of the effect.

"The project builds on that research and is making it practical for small-scale farmers around the world," Dr Kirkegaard says.

"There are economic and social benefits for small-scale farmers, as improved crop yields lead to increased incomes. There are also a range of environmental and health benefits, as a result of reduced reliance on toxic fumigants and synthetic pesticides.

"The next stage of the project seeks farmer involvement to integrate biofumigation into the cropping system, using farming networks throughout South-East Asia and the Pacific."

The team includes researchers from CSIRO Plant Industry, the Queensland Department of Primary Industry and the Philippines National Crop Protection Centre. The project is funded by the Australian Centre for International Agricultural Research (ACIAR).

More information
Dr John Kirkegaard, CSIRO Plant Industry, 02 6246 5095
Email: john.kirkegaard@csiro.au

Bill Stephens | CSIRO
Further information:
http://www.csiro.au/index.asp?type=mediaRelease&id=Prbiofumigants

More articles from Agricultural and Forestry Science:

nachricht New data unearths pesticide peril in beehives
21.04.2017 | Cornell University

nachricht New rice fights off drought
04.04.2017 | RIKEN

All articles from Agricultural and Forestry Science >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Deep inside Galaxy M87

The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.

Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...

Im Focus: A Quantum Low Pass for Photons

Physicists in Garching observe novel quantum effect that limits the number of emitted photons.

The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...

Im Focus: Microprocessors based on a layer of just three atoms

Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.

Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...

Im Focus: Quantum-physical Model System

Computer-assisted methods aid Heidelberg physicists in reproducing experiment with ultracold atoms

Two researchers at Heidelberg University have developed a model system that enables a better understanding of the processes in a quantum-physical experiment...

Im Focus: Glacier bacteria’s contribution to carbon cycling

Glaciers might seem rather inhospitable environments. However, they are home to a diverse and vibrant microbial community. It’s becoming increasingly clear that they play a bigger role in the carbon cycle than previously thought.

A new study, now published in the journal Nature Geoscience, shows how microbial communities in melting glaciers contribute to the Earth’s carbon cycle, a...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Expert meeting “Health Business Connect” will connect international medical technology companies

20.04.2017 | Event News

Wenn der Computer das Gehirn austrickst

18.04.2017 | Event News

7th International Conference on Crystalline Silicon Photovoltaics in Freiburg on April 3-5, 2017

03.04.2017 | Event News

 
Latest News

New quantum liquid crystals may play role in future of computers

21.04.2017 | Physics and Astronomy

A promising target for kidney fibrosis

21.04.2017 | Health and Medicine

Light rays from a supernova bent by the curvature of space-time around a galaxy

21.04.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>