PLATE 1 Transverse section of a spikelet, showing gradient from fertile basal florets to senescent floret primordia at the tip. Chinese Spring wheat. PLATE 5 Top-cross isolation blocks upper portion for the production of adequate hybrid seed of a large number of hybrids for a hybrid testing programme; isolation is in both time and space. PLATE 25 Wheat spikes from six healthy left and diseased right cultivars, showing colour and morphological changes associated with common bunt Tilletia tritici infection. PLATE 26 Plants infected with dwarf bunt Tilletia controversa left , showing dwarfing and excess numbers of tillers, compared with healthy plants right. PLATE 27 Symptoms of a spike infected with dwarf bunt Tilletia controversa right , including one crushed sorus revealing the dark mass of teliospores, compared to a healthy spike left.
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Tissue Culture Test Plates Features of the TPP tissue culture test plates show highest operational standards quality : opto-mechanical treatment of growth area for optimal cell adhesion lid with air-venting system guarantees controlled gas exchange with low evaporation sloped edge allows placement of the lid in one position only yellow marking area on lid and plate ensure correct lid orientation: yellow on yellow — match! Good to know! The well geometry is an important criterion with a 96 well tissue culture plate. TPP offers 2 well geometries: F-base excellent optical characteristics suitable for precise optical measurements the measuring light is not distracted by the geometry - as well as microscopy applications bottom reading growth area 0.