Galls can crack or split open, especially on the roots of vegetable plants, allowing the entry of soil-borne, disease-causing microorganisms.
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Root-knot nematodes are microscopic roundworms that can pierce the roots of certain plant species and lay their eggs inside the roots.
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Figure 4. Crop losses due to these nematodes can be greatly reduced by using available control practices.
Molasses is advocated by some as a regular soil additive. For ideal solarization, the soil should be dampened but not moist. For assistance, contact your local N. Many of these varieties, especially the tomatoes, can be purchased at local lawn and garden centers or can be purchased through online retailers. For plants that prefer a bacterial dominant soil biology eg.
The omission of compounds does not imply that they are not equally suitable for nematode control. Frequent incorporation of organic matter, especially high rates 400 to 500 pounds per 100 square feet of composted leaves, grass clippings, and manure, into the soil is also beneficial for improving soil structure and moisture retention.
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Wet the soil, then cover it with two sheets of clear plastic to raise the temperature in the soil and kill the nematodes. Home Guides SF Gate.
This publication describes ways to minimize nematode problems by employing one to several control measures. Nematodes—especially root-knot nematodes—cause major losses in vegetable crops in commercial farms, greenhouses, and home gardens in North Carolina. Pest Control In other languages: Also, plant these varieties in rows about 7 inches apart to ensure adequate space for weeding.
While many types of nematodes are beneficial to the soil, plant-parasite nematodes will attack and destroy plant roots, effectively killing the whole plant.
The practise of crop rotation is beneficial. Adding organic material also helps alter the balance of soil biology, and will encourage other nematode species to build up numbers that will then prey on the root knot nematode.
Plants produce fewer and smaller leaves and fruits, and ones heavily infested early in the season can die. When rotating crops, use nematode resistant vegetables like asparagus, collards, broccoli, and sweet corn.