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Facts about Plant Parasitic Nematodes
In this thread, I want to post lots of info I have gathered on plant nematodes. Plant parasitic nematodes are very tiny pests that lives in the soil. So tiny that you can't see them with your naked eyes. These pests can attack roots and suck nutrients out of plants, causing decrease yield and poor plant health.

There are many types of nematodes but the root knot nematodes is popularly known by many. They are those ones that causes knots on the roots.
Food for the Nation.
Efficacy of Saccharomyces cerevisiae on controlling the root-knot nematode (Meloidogyne javanica ) infection and promoting cucumber growth and yield under laboratory and field conditions by
Muwaffaq Ramadan Karajeh

Saccharomyces cerevisiae (this is that yeast bakers normally use) is a promising plant growth-promoting yeast for different crops. Applicability of S. cerevisiae as a biocontrol agent of the root-knot nematode (Meloidogyne javanica ) was investigated on cucumber growth, under room and field conditions. The yeast S. cerevisiae similar to the nematicide, Ethoprophos, when applied as a rhizospheric soil drench treatment led to an obvious reduction of root galling caused by M. javanica and resulted in reducing the nematode reproduction ability on cucumber under both room and field conditions. The yeast was more effective at 10 than at 5 g/l. Furthermore, the application of S. cerevisiae resulted in improving cucumber plant growth and increasing its fruit yield. High content of total phenolics in cucumber roots of S. cerevisiae -treated plants and hydrogen peroxide-treated plants gives a clue on the ability of the yeast to induced plant resistance in a similar way to exogenous hydrogen peroxide.

Source: https://www.tandfonline.com/doi/abs/10.1080/03235408.2013.799819

"What this simply means is that, you can add bakers yeast at 10g per liter water and use this solution to water your plants. The benefits you'll get include higher yield and reduced root galling from nematode."
Food for the Nation.
Pic of galls caused by root knot nematode

Attached Files Thumbnail(s)
Food for the Nation.
Root-knot nematodes can be controlled with biocontrol agents like:

Paecilomyces lilacinus
Pasteuria penetrans and
Juglone .
Food for the Nation.

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