A Riker mount display showing the different stages in the life cycle of a pine tree (Pinus). Includes a mature female cone, seed, seedling, mature needle, male cone, and immature female cone. 6-1/4" x 8-1/4".

Designed to help you learn to identify crop plants, this CD-ROM contains more than 650 PowerPoint® frames featuring over 50 crops. It includes all of the crops on the National Crop List used by the National FFA, as well as the list used by the ..

By Wood Powell Anderson. 388 pages. Third Edition. 9-4/5" x 8-2/5". Softcover.
Weeds are the pioneer plants of disturbed soils and can adversely affect the use, economic value, and aesthetic aspect of the lands and waters the..

This fascinating lab exercise studies the effects of gibberellic acid on plants. Gibberellic acid, when applied to plants, causes them to respond differently and, at times, unpredictably. This is an excellent activity for introducing the study of growth..

Shows basic structural elements of a typical flower - petal, sepal, stem, pistil, stamen, and pollen grain with pollen tube reaching ovule - enlarged, dissected, and/or cut away. The 18" x 24", three-dimensional model is of lightweig..

Shows cross-sectional view of root as it penetrates the soil, typical dicot stem partially dissected, and cross-sectioned leaf with its various layers indicated. The 18" x 24", three-dimensional model is of lightweight, sturdy constr..

The Jiffy-7® Peat Pellets combine the pot and potting soil into a single unit. Before use, it is just a small, thin, easily-stored wafer enclosed in a fine plastic netting. Add just a little water and it expands into its ultimate size of 1&..

Grow and observe development of five different plants in transparent culture chambers (roots as well as stems and leaves are visible). The experiments include seed germination time comparisons, plant growth time comparisons, effects of nutrient deficien..

Expand traditional plant study investigations to include hydroponics (soilless gardening). Designed to give a complete understanding of hydroponics - cultivating plants in a medium of inert aggregate with water containing dissolved, inorganic nutrie..

Seeds, bulbs, and plants grow faster in perma-nest trays. Made of lustrous, strong plastic, they never harbor bacteria or harmful molds. Can be cold sterilized. Many uses after seed starting. Root your potted plants with consistent watering, or grou..