crop plant anatomy notes

crop plant anatomy notes - Chp.1:CropPlantAnatomyNotes...

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Chp. 1:  Crop Plant Anatomy Notes  2 Broad Categories o Monocotyledons Monocots Grasses (cereal crops) Contain one seed leaf (cotyledon) o Dicotyledons Dicots Broadleaf plants  Contains two seed leaves (cotyledons) Legumes (podded crops that have nitrogen fixation ability in the root system) seed  forage The Plant Cell o Basis for plant life o Research for increasing quality and quantity of crop products o o 3D Labeled Diagram Of Plant Cell Project o Cell wall     protects the inner parts of the cell and gives rigidity (affects hay quality) Plasma membrane     differentially permeable (some herbicides break down to kill  plant) Nucleus     contains chromosomes (DNA) for inheritance Ribosomes     involved with protein manufacturing in the plant ER     involved in protein manufacturing in the plant Cytoplasm     living gel-like material containing the functioning cell parts (affects cold- hardiness) Chloroplast     Vacuole     Mitochondria     growth Golgi apparatus     associated with cell wall formation o Mini plants in arrested state o Damaged Rough handling Improper storage o Knowledge important for:
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Judging quality Estimating seeding vigor Predicting germination Predicting establishment success o Cereal Caryopsis Anatomy Draw picture on board, label, and discuss purpose of parts Cereal Caryopsis Anatomy o Brush     —tuft of persistent hairs on the top of wheat kernels Dent     —on top of corn kernels, forms from soft starchy endosperm in center shrinks  more on drying than flinty endosperm on outside Pericarp     —primarily ovary tissue, protects caryopsis (kernel), maternal  characteristics, red color from here Aleurone layer     —outer few layers of endosperm, maternal/paternal characteristics,  secretes enzymes to break down endosperm for germination Endosperm     —mostly starch, energy source Starchy Endosperm— soft, white  Flinty Endosperm— hard, vitreous (glass-like), yellow in dent corn, reddish- brown in hard, red wheats Gluten— proteinaceous mix that gives bread dough sticky, elastic quality o Scutellum    
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This note was uploaded on 10/04/2011 for the course BSC 2010 taught by Professor Thomas during the Spring '07 term at University of Central Florida.

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crop plant anatomy notes - Chp.1:CropPlantAnatomyNotes...

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