phytophotodermatitis phy·to·pho·to·der·ma·ti·tis (fī’tō-fō’tō-dûr’mə-tī’tĭs)
See meadow dermatitis.
[fahy-tof-ther-uh] /faɪˈtɒf θər ə/ noun 1. any of a group of fungi of the genus Phytophthora, which cause a serious plant disease, especially affecting apple and pear trees and potatoes.
[fahy-tuh-plangk-tuh n] /ˌfaɪ təˈplæŋk tən/ noun 1. the aggregate of plants and plantlike organisms in . /ˌfaɪtəˈplæŋktən/ noun 1. the photosynthesizing organisms in plankton, mainly unicellular algae and cyanobacteria Compare zooplankton n. 1897, from phyto- + plankton. phytoplankton (fī’tō-plāngk’tən) Plankton consisting of free-floating algae, protists, and cyanobacteria. Phytoplankton form the beginning of the food chain […]
[fahy-tuh-plaz-uh m] /ˈfaɪ təˌplæz əm/ noun 1. protoplasm of a plant or plants.
phytoplasma (fī’tə-plāz’mə) Any of a group of extremely small bacteria that are similar to mycoplasmas in that they have a cell membrane instead of cell walls and can assume a variety of shapes, but are parasitic solely in plants. In many plants, phytoplasmas invade cells of the food-carrying tissue known as phloem and are usually […]