1 The use of the electron microscope has advanced our understanding of cell biology further ... In the early 1930's this limit had been reached and there was a scientific desire to see the fine details of the interior structures of organic cells (nucleus, mitochondria, inside the nucleus itself, nucleolus).
MaxQ Tall Fescue Grass - Safe For Horse Pastures & Hay. Fescue toxicity has long been an issue for horses, sheep and cattle. Endophyte-free varieties of Tall Fescue Grass were developed, but they suffered from reduced plant hardiness and survival.
to this, coarse textured tall fescue varieties used for pasture grasses, such as Kentucky 31 and Alta, were only. available. These pasture types are still available and inexpensive but are not recommended for residential lawns. due to their coarse textures when compared with turf-type varieties.