Monday, July 15, 2024
General Agriculture

Genetically Modified (Gm) Control of Nematodes

Nematodes are small worm-like organisms (eel-worms), some species of which feed on plants. While some nematode species feed on the aerial parts of plants most are underground attacking the roots; some are vectors of viruses.

As most of the damage by nematodes is underground relatively little is known about them, although crop losses due to them are probably very high; there is an estimate that they may cause losses of more than $1 billion per year to world agriculture.

They are very difficult to control. Chemical nematicides are highly toxic and difficult to apply and are only economic in special situations such as small areas of high value crops.

The cultural techniques usually involve avoiding nematode-infested soil. There are some sources of natural resistance and some R genes such as were described for fungi and bacteria.

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Genetically Modified (Gm) Control of Nematodes

Experiments with transgenic approaches to resistance using the digestion inhibitor cystatin are showing promise.

However, as with the digestion inhibitor approach for insects, much work on biosafety aspects needs to be undertaken.

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Benadine Nonye is an agricultural consultant and a writer with several years of professional experience in the agriculture industry. - National Diploma in Agricultural Technology - Bachelor's Degree in Agricultural Science - Master's Degree in Science Education - PhD Student in Agricultural Economics and Environmental Policy... Visit My Websites On: 1. - Your Comprehensive Practical Agricultural Knowledge and Farmer’s Guide Website! 2. - For Effective Environmental Management through Proper Waste Management and Recycling Practices! Join Me On: Twitter: @benadinenonye - Instagram: benadinenonye - LinkedIn: benadinenonye - YouTube: Agric4Profits TV and WealthInWastes TV - Pinterest: BenadineNonye4u - Facebook: BenadineNonye

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