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How to Get Rid of Nematodes on Baby’s Breath Plant

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Nematodes are microscopic, non-segmented roundworms. Many nematode species are found in soils, but relatively few can cause plant diseases. Root-knot nematodes (Meloidogyne spp.) (Figure 1) are the most important and most economically devastating nematodes on ornamentals. In North Carolina, southern root-knot nematode (Meloidogyne incognita) is the most common species, yet the newly emerging Meloidogyne enterolobii appears to be more aggressive on many plants, and resistance and susceptibility to M. enterolobii are likely to be different. There are many other species of plant-pathogenic nematodes, but they are less common on ornamentals in the landscape.

Baby’s breath, with its tiny white blooms, makes a delicate and charming addition to any garden. However, these plants can fall victim to microscopic worms called nematodes that damage roots and impair growth. While nematodes often go unnoticed, they can seriously impact your baby’s breath over time if left unchecked. The good news is that with some diligence and proper treatment, you can tackle nematode troubles and keep your baby’s breath thriving.

Identifying Nematode Infestations

Nematodes are tiny roundworms that inhabit soil and attack plant roots. Symptoms of nematode damage include:

  • Stunted or reduced growth
  • Wilting, yellowing or browning leaves
  • Decline in vigor and bloom production
  • Thin, weak stems prone to breaking
  • Plant death in severe infestations

Plants often slowly decline over one or more growing seasons as nematodes continually damage the root system. Nematode populations multiply rapidly in warm soil, so symptoms typically worsen during summer. Carefully dig up plants showing signs of trouble and check roots for small galls or lesions that indicate nematode feeding. Damage is usually most severe at the root tips. Laboratory analysis can confirm whether nematodes are responsible for symptoms.

Treating Existing Nematode Problems

If you find nematodes parasitizing your baby’s breath roots take action to rescue the plants before permanent damage occurs

  • Improve overall plant vigor with extra water and fertilizer to help counteract nematode stress.

  • Consider applying a nematode-killing soil fumigant for a quick knock-down of populations Fumigants like metam sodium are powerful but must be applied carefully.

  • Introduce nematode-trapping fungi into the soil to parasitize these pests. Products containing Purpureocillium lilacinum work well

  • Mix a nematode-fighting chemical drench into the soil around affected plants’ roots. Options include oxamyl, fluopyram or fosthiazate. Follow label directions closely.

  • Solarize soil in mid-summer by covering it with clear plastic for 4-6 weeks to kill nematodes with heat.

Combining chemical treatments, solarization and biocontrols often provides the best results against heavy nematode infestations affecting baby’s breath.

Preventing Nematodes from Damaging Plants

Stopping nematodes before they get established is key to protecting your baby’s breath patch. Useful preventive measures include:

  • Plant nematode-resistant baby’s breath varieties like Bristol Fairy and Yuki White.

  • Avoid planting baby’s breath in the same spot two years in a row to disrupt nematode life cycles.

  • Add organic matter like compost annually to improve soil and increase beneficial microbes that parasitize nematodes.

  • Solarize soil before planting by covering with clear plastic sheets through hot summer months.

  • Incorporate a mustard cover crop and till it under before planting baby’s breath. Mustards release nematicidal compounds.

  • Mix in a small amount of marigold plants among your baby’s breath, as marigolds’ roots exude chemicals that deter nematodes.

  • Apply beneficial nematode-killing fungi annually as a soil drench to reduce populations before they damage plants.

With some simple preventative care, you can help safeguard your baby’s breath planting from nematode troubles. Be sure to start with certified nematode-free plants as well.

Using Organic Amendments to Fight Nematodes

Many common organic soil amendments can help create an environment unfriendly to nematodes while also improving soil health:

  • Compost introduces beneficial microorganisms that parasitize nematodes. Apply 1-2 inches annually.

  • Aged manure adds nutrients while stimulating nematode-killing fungi. Mix in several inches before planting.

  • Cornmeal contains compounds that inhibit nematodes. Sprinkle 1 cup per 10 square feet into beds monthly.

  • Wood ash raises pH, which reduces nematode activity. Add 1/2 cup per square foot of garden space.

  • Seaweed contains acids and salts deadly to nematodes. Work 1 lb dried seaweed per 100 square feet into soil.

Rotate between different amendments each season for the best nematode-fighting effects.

Options for Nematode Treatment After Infestation

If despite preventive efforts nematodes invade and begin damaging your baby’s breath plants, here are some treatment methods to reduce their impact:

  • Carefully dig up and destroy heavily infested plants to eliminate nematodes harboring in roots and soil.

  • Apply a commercial nematicide drench like oxamyl or fluopyram to remaining plants following label guidelines closely.

  • Solarize soil using clear plastic sheets to trap heat and kill nematodes during hot summer weather.

  • Introduce parasitic nematode-killing fungi to the soil around less-damaged plants to control populations.

  • Boost plant vigor with extra fertilization and ideal growing conditions to help counteract nematode stress.

  • Avoid replanting baby’s breath or other susceptible flowers in the same spot the following year.

Staying vigilant and responding promptly when nematodes strike gives you the best chance of rescuing your plants and preventing lasting damage.

Left unchecked, microscopic nematode worms can doom an otherwise thriving baby’s breath planting. While these tiny pests often go unnoticed, they can seriously impair plant growth, vigor and root health. Stop nematodes before infestations start by selecting resistant varieties, rotating annual plantings and boosting beneficial soil biology. If nematodes become established, act quickly to solarize soil, apply nematicides and introduce predatory fungi. With smart prevention and prompt treatment, your baby’s breath will continue gracing your garden with beauty for many seasons to come.

how to get rid of nematodes on babys breath plant

Replace infested (contaminated) soil.

In small areas, you may remove the upper 6 to 8 inches of soil or planting mix from an annual bed and replace it with a new nematode-free planting medium. This practice does not eliminate the nematodes, but infection will be delayed until nematodes can colonize the new medium. (Plant roots can grow out of the new medium into the infested native soil and become infected.) Dispose of any removed soil in a place that will not be used for future plantings. The more soil you remove, the better hope you will have to delay new infections because nematodes can move down the soil profile to protect themselves.

Remove soil from any tools and equipment (including boots) before and after working in any disease-infested landscape bed to avoid introducing root-knot nematodes or other soilborne plant pathogens into new locations. Working outside or in a well-ventilated area, use a solution of 10% household bleach to sanitize the surface of tools and equipment. Dip the tools in the solution for 5 to 10 minutes, then rinse with clean water and air-dry to eliminate living nematodes and other plant pathogens.

Solarize the soil.

If root-knot nematodes have accumulated to high levels on the previous year’s plant(s), soil solarization is an option to reduce the number of nematodes in your soil. Soil solarization is a nonchemical way to reduce soil pest populations, but it requires the affected area to be left bare for six to eight weeks during the hottest part of the year (summer) to be effective. Clear polyethylene may be used to cover moist soil that is well tilled and ready to be planted. The goal is to trap heat generated by sunlight inside the plastic to raise the soil temperature for a prolonged period of time to kill many nematodes, fungi, and weed seeds in the upper few inches of the bed. Solarization works best in hot climates and sandy soils. More information can be found in Soil Solarization in Tennessee: A Pesticide-Free Method for Controlling Soil-borne Pests in Home Gardens.

How To Get Rid Of Nematodes | Eliminate Bad Nematodes and Grubs Organically!

FAQ

What kills nematodes instantly?

Solarizing is the process of using heat from the sun to raise the temperature of soil in a garden. The sharp temperature increase will kill nematodes in the worked-through portion of the soil.

How do you get rid of nematodes in plants?

You can reduce existing infestations through fallowing, crop rotation, and soil solarization. However, these methods reduce nematodes primarily in the top foot or so of the soil, so they are effective only for about a year. They are suitable primarily for annual plants or to help young woody plants establish.

What is a home remedy for nematodes?

Other practices, including the use of nematode-free plants or soil and solar heating under plastic, are inexpensive and simple methods of controlling nematodes. To kill nematodes in soil, heat small quantities of moist soil to 140°F in the oven or by solarization.

What can be applied to the soil to stop nematodes?

A clear polyethylene mulch or tarp is used to trap solar heat in the soil. Over a period of several weeks to a few months, soil temperatures become high enough to kill nematodes, as well as many other soil pests and weed seed to a depth of 8 inches.

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