root-knot nematodes

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Encanto Farms Nursery > Topics > root-knot nematodes

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gpag0nze

Registered:1449164266
Posts: 20

Posted 1460818070	Reply with quote #1

I recently cleared out several bayberry trees and plan to replace them with figs, but I noted some of the roots of the bay berries had golf ball size tumors caused by nematodes. Are figs resistant or do I have to treat the soil?

zeitgeist

Registered:1428939457
Posts: 104

Posted 1460826161	Reply with quote #2

Figs are very susceptible to nematode infestation. It may be best to grow them in pots of your soil is infected. __________________ California Central Coast Zone 9 Wish List: Figo Preto/Black Madeira, I-258, Genovese Nero

hoosierbanana

Registered:1287901146
Posts: 2,186

Posted 1460898803	Reply with quote #3

Plant an indicator species like Okra or something and see if it gets infested. The galls should be pea sized so it does not even sound like RKN. __________________ 7a, DE

Sas

Registered:1350079929
Posts: 1,364

Posted 1460900022	Reply with quote #4

See Anti-Nematode Crops and Rotations here, https://www.uaex.edu/publications/pdf/FSA-7529.pdf __________________ Sas from North Austin TX Zone 8B Wish list: Becane

gpag0nze

Registered:1449164266
Posts: 20

Posted 1460932678	Reply with quote #5

Thanks for the info. From the size of the knots I am hoping it is a disease ofm the bayberries. I have a few weeks before the area is cleared and I'll have the county agent take a look at them.

gpag0nze

Registered:1449164266
Posts: 20

Posted 1460932756	Reply with quote #6

Quote: Originally Posted by Sas See Anti-Nematode Crops and Rotations here, https://www.uaex.edu/publications/pdf/FSA-7529.pdf

rcantor

Registered:1309799312
Posts: 5,727

Posted 1460998044	Reply with quote #7

Actinorhizal plants such as alder and bayberry can also form nitrogen-fixing nodules, thanks to a symbiotic association with Frankia bacteria. https://en.wikipedia.org/wiki/Root_nodule Do they look like this? http://web.uconn.edu/mcbstaff/benson/Frankia/EcologyMyricaceae.htm These are normal, nitrogen fixing nodules and are not from nematodes or disease. __________________ Zone 6, MO Wish list: Galicia Negra, De La Reina - Pons, Genovese Nero - Rafed's, Sbayi, Souadi, Acciano, Any Rimada, Sodus Sicilian, any Bass, Pons or Axier fig, any great tasting fig.

gpag0nze

Registered:1449164266
Posts: 20

Posted 1461023395	Reply with quote #8

Quote: Originally Posted by rcantor Actinorhizal plants such as alder and bayberry can also form nitrogen-fixing nodules, thanks to a symbiotic association with Frankia bacteria. https://en.wikipedia.org/wiki/Root_nodule Do they look like this? http://web.uconn.edu/mcbstaff/benson/Frankia/EcologyMyricaceae.htm These are normal, nitrogen fixing nodules and are not from nematodes or disease. Don't I wish! These are on the roots of the bayberry and look like large knots. I'd include a photo but I guess there is a file size limit of 1M

gpag0nze

Registered:1449164266
Posts: 20

Posted 1461023520	Reply with quote #9

Don't I wish! These are on the roots of the bayberry and look like large knots. I'd include a photo but I guess there is a file size limit of 1MB.

gpag0nze

Registered:1449164266
Posts: 20

Posted 1463269776	Reply with quote #10

UPDATE: NC DA&CS Agronomic Division report # of Nematodes per 500cc Dagger 20 Lance 30 Ring 30 Sheath 10 Spiral 40 Stubby Root 10 Verdict: No expected harm to crop production>

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