Common Diseases Affecting Lettuce Plants Tips For Treating Lettuce Diseases

Diseases

Anthracnose (Shot-hole) Microdochium panattonianum.
Leaf drop (Sclerotinia drop) Sclerotinia minor. Sclerotininia sclerotiorum.
Powdery mildew Erysiphe cichoracearum.
Septoria leaf spot Septoria lactucae.

How do you protect lettuce?

How and when to sow. Grow lettuces in full sun in moisture-retentive soil. Early and late sowings may need protection against cold, using cloches, plastic tunnels or horticultural fleece. You can also grow lettuces in containers and growing bags, but be sure to water regularly.

What can I spray on lettuce for bugs?

Natural Aphid Pest Control:

Spray leaves with organic Neem oil, or a mixture of water and dish soap. Use daily if needed.

How can we control vegetable diseases?

Clean Up The Garden

Give your vegetable garden an end-of-season cleaning. Remove leftover plant material and pull remaining stems. Gather fallen leaves – from vegetable plants or trees. Many vegetable diseases survive winter on infected plant parts; insects that spread diseases often overwinter in autumn leaves.

Can you eat lettuce with bug holes?

Insect damage, healed cuts, small holes or scars: For the most part, insect damage does not render fruits and vegetables inedible. If slugs take a little chew out of your lettuce or a weevil leaves a small hole in your pepper, cut away the damage and thoroughly inspect what is left.

How do I control aphids on my lettuce?

You can often get rid of aphids by wiping or spraying the leaves of the plant with a mild solution of water and a few drops of dish soap. Soapy water should be reapplied every 2-3 days for 2 weeks.

What is best fertilizer for lettuce?

Because lettuces are a “cut and come again” crop, they need plenty of fertilizer to help them keep producing new leaves for the next harvest. Feed lettuce plants every two weeks with a balanced water soluble or granular fertilizer, such as a 10-10-10 or a 5-5-5, diluted to half strength.

How often should Lettuce be watered?

Water your lettuce plants every day—and even more often if it is extremely hot and dry. The lettuce leaves are mostly water and will desiccate and wilt in strong sunlight and dry soil. Lettuce roots tend to be shallow, so frequent watering is more important than deep watering.

Should I cover my lettuce?

You can protect your cool season crops (including lettuce, which is more easily injured than other greens), by throwing a blanket or row cover over the plants. In zones 8 and 9, where tomatoes and peppers bearing fruit may still be in the ground, plants can easily be covered to protect the final harvest.

Why does my lettuce have bugs?

Tracy, as the bugs are not on any other produce you have, the bugs were there when you bought the lettuce. And they appear to be specific to lettuce, as a consequence, as they did not spread. If you did not see them when you bought the lettuce, then you likely overlooked the eggs or larvae.

How do I get rid of bugs eating my leaves?

Natural remedies can get rid of pesky insects using natural products commonly found in the home.

Soapy water. Mix 5 tablespoons of dish soap with 4 cups of water in a bottle and spray plants with the solution. ...
Neem oil spray. ...
Pyrethrum spray. ...
Beer. ...
Garlic. ...
Pepper spray. ...
Herbal water spray. ...
Alcohol spray.

What is eating my lettuce at night?

Slugs and snails love lettuce, but they nibble from the outside edges toward the center. A leaf with a center rib intact and a scalloped edge has been visited by a slug during the night. Only if seedlings have just sprouted will slugs eat the whole plant. ... In spring there might be flea beetles eating lettuce.

How do you prevent vegetable fungus?

Good gardening habits and effective treatment help prevent, stop and control fungal disease

Start by planting healthy stock. ...
Choose planting sites based on plant needs. ...
Avoid overhead watering. ...
Water early in the day. ...
Don't crowd plants. ...
Don't work a wet garden. ...
Treat with a trusted, proven fungicide.

How do you treat fungus in a vegetable garden?

How Do I Get Rid of Fungus in Garden Soil?

Get rid of the sick plants. Once your garden is infected, you can't save the plants. ...
Clean up all garden debris at the end of the season. ...
Rotate your crops. ...
Plant disease-resistant varieties. ...
Use a fungicide.

What are the types of pest and diseases of vegetables?

Insect pests of vegetables

Aphids.
Caterpillars.
Cutworms.
Grasshoppers and locusts.
Thrips.
Weevils.
Whiteflies.
Mites.

Why do my lettuce leaves have holes in them?

This looks very much like slug damage - irregular holes that look "chewed" on. Slugs like cool wet conditions (Oregon spring!), and tasty tender seedlings - like your lettuce. ... Slugs are most active at night. They like to hide under boards, stones, debris, etc., so removing these can be very helpful.

Is it OK to eat aphids?

Eating Aphids

Aphids are another edible insect.. Depending on what foliage they are feeding on, they can range from slightly bitter to sweet. Upon finding an infested plant or patch of plants, simply collect the aphids and eat them fresh or incorporate them into a meal as a nutritious supplement.

What is eating holes in my lettuce?

These small holes are telltale signs of the cabbage worm. Actually, the are several insects that cause this type of damage and are generally referred to as 'cabbage worms'. This includes the imported cabbage worm, the diamondback caterpillar and cabbage looper.

How do you get rid of bugs in lettuce?

Don't shut them out for fear of a few bugs.
...
Tips for removing bugs from your veggies

Soak in salt water to kill worms and other insects.
Plunge in a deep cold bath.
Put a little white vinegar in your soaking liquid.
Cut veggies into bite-sized pieces and soak in water for about 30 minutes; you may need to repeat.

How do you kill aphids naturally?

HOW TO GET RID OF APHIDS NATURALLY

Remove aphids by hand by spraying water or knocking them into a bucket of soapy water.
Control with natural or organic sprays like a soap-and-water mixture, neem oil, or essential oils.
Employ natural predators like ladybugs, green lacewings, and birds.

How do you control aphids organically?

Controlling Aphids Organically

Squash and Remove. Start by checking plants regularly for any signs of aphids. ...
Blast Them Off. Try blasting small infestations of aphids off your plants with a jet of water from a hosepipe. ...
Spray Soapy Water. ...
Cover Vulnerable Vegetables. ...
Attract Aphid Predators.