Brown spots on lettuce plants

5 Health Benefits of Romaine Lettuce (Green and Red Cultivars) Get out of the rut and start experimenting with different types of salad greens! One salad green definitely worth befriending is romaine lettuce (also known as cos lettuce), a sturdy salad green with crisp, upright leaves that form a loaf-shaped head. Nov 30, 2019 · We all eat it, but have you wondered how to grow lettuce? There’s a reason that lettuce is one of the most popular plants to grow. Lettuce is so easy, packed with nutrients, and absolutely delicious, so it’s no surprise we all love to grow this versatile green. A tarnished plant bug will eat the head of the lettuce, and it is oval and has black, yellow and brown markings. Alfalfa plants attract the bug, so try not to plant lettuce near alfalfa. Use organic pesticides once you notice an infestation. The Western-spotted cucumber beetle is another insect that can cause harm to your lettuce plants. Trigger. The pathogen infects lettuce over a wide range of temperatures, but is favored by warm (25 °C - 27 °C) moist conditions. Rhizoctonia solani is a common soil inhabitant that can infect numerous plant species, including potato, onion, green bean, corn, radish, and a variety of weeds. Q: Is it safe to eat the edges of lettuce leaves that have turned brown?A: Yes. It’s not a health issue and does not indicate a loss of nutrients. Still, most people find brown lettuce unappealing and will want to cut off the discolored parts.Browning usually results from oxidation caused by May 01, 2019 · There are several pests that attack leafy vegetables, and all can be categorized into flies, bugs, mites, worms, and mollusks. If you grow greens or planning to grow them, here are the most common pests of leaf vegetables, their prevention, control, and management.