The damage of root-knot nematodes has become a prominent problem in production, and it’s difficult to eradicate.
Its occurrence is increasing year by year. The outputloss is up to 30%-50%, and the seriousness is over 70%.
Therefore, the prevention and control of root-knot nematode disease has become particularly important.
Today, we teach everyone how to control root-knot nematodes.
First, the symptoms of damage Root-knot nematodesmainly damage the roots of vegetables.
The prominent symptoms of the symptomsare the formation of tumors of different sizes in the roots, and some similarto the rhizobia of legumes.
With a needle to remove the tumor, you can see the size of the needle-point nematode in the tumor.
Roots above the root often produce small new roots, and later infected to form root nodular enlargement.
As the roots of vegetables were harmed by nematodes, most of the above groundparts exhibited debilitating growth, yellowing of the leaf color,
and severe death of the whole plant.