24+ Brown Spots On Lettuce Seedlings. Brown dots on your lettuce, especially along the lower parts of the ribs what it is: Even low concentrations can cause problems like the weird little dots you see on the lettuce pictured here.
Bacterial Leaf Spot Of Lettuce Wikigardener Fandom from vignette.wikia.nocookie.net
Lettuce (lactuca sativa) is an annual plant of the daisy family, asteraceae. Ethylene gas is thought to regulate growth in plants and coordinate their ripening. So walk through your home and find a sunny spot.
If lettuce seedlings are exposed to 40 to 50 degrees fahrenheit temperatures for several days in a row, they will start forming flower buds, although the flower stalk won't shoot up until the weather warms.
For extra points, make it a spot with a window facing south. Low to high sort by price: Hi, i have been trying to grow lettuce indoors hydroponically but i find that the leaves develop yellow edges and brown spots before i can harvest. If lettuce seedlings are exposed to 40 to 50 degrees fahrenheit temperatures for several days in a row, they will start forming flower buds, although the flower stalk won't shoot up until the weather warms.
