Plant Classification and Systems: An Overview of Plant Types, Systems, and Taxonomy, Study notes of Agricultural engineering

Download Plant Classification and Systems: An Overview of Plant Types, Systems, and Taxonomy and more Study notes Agricultural engineering in PDF only on Docsity! PLSC 201 PLANT STRUCTURE AND FUNCTION LECTURE SERIES 1 I. INTRODUCTION See Outline on Web Page II. PLANT CLASSIFICATION A. TYPES 1. DISCIPLINE (end use) a. AGRONOMIC Field Crops Cereals - Wheat, Barley, Oats Fodder - Soybean Cover Crops - alfalfa, clover Forage Crops - fescue Row Crops – Corn Turf – Bermuda Grass b. HORTICULTURAL Olericulture Vegetable Crops tomato, lettuce Floriculture Ornamentals floral crops cut flowers - roses container crops - mums nursery crops - Rhododendrons Pomology Large fruits - peaches, apples Small fruits - strawberry Silviculture (Forestry) Wood & Fiber - Poplar 2. GROWTH HABIT Annual Biennial Perennial Herbaceous Woody 1 3. ENVIRONMENTAL ADAPTATION Cold Hardy Drought Tolerant Shade Adapted Seasonal (Photoperiod) Long-Day Short-Day Day-Neutral 4. COMBINATIONS - specificity eg. Floricultural, drought tolerant, short-day, herbaceous perennial, container crop. (Sedum) B. SYSTEMS 1. Artificial a. Theophrastes (370-285 BCE) Historia Plantarum 480 Plants Herbs Shrubs Trees "Families" perceived relationships Conifers Cereals Thistles Poplars Birches Assigned Greek names 2. Numerical a. Carl von Linné (Linneaus) - 1737 Genera Plantarum 7,300 Plants Binomial Nomenclature Genus - Number of parts (pistils, stamens, etc) Species - variations within genus b. Subdivisions of all organisms Kingdom Plantae Animalae Orders Plantae - 24 Classes Genera Species 2