Week 4 Notes
Week 4 Notes 3020
Popular in Fruit Crops
Popular in Agriculture and Forestry
This 3 page Class Notes was uploaded by Nicole Encardes on Friday February 5, 2016. The Class Notes belongs to 3020 at University of Georgia taught by Anish Malladi in Spring 2016. Since its upload, it has received 13 views. For similar materials see Fruit Crops in Agriculture and Forestry at University of Georgia.
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Date Created: 02/05/16
2-1-16 Monday, February 1, 2016 10:11 AM Types of dry indehiscent fruits continued o Samara Fruit similar to achene Fruit wall extends to form wing like structures Ex: maple o Nut Fruit has a hardened pericarp A true nut has the entire pericarp hardened and doesn't split open to release seeds On seeded Similar to drupes Some referred to as drupaceous nuts Ex: pecan, walnut, hazelnut Aggregate fruit o Derived from one flower o Fruit is from many pistils o Aggregation or group of fruitlets o Ex: brambles (raspberry, blackberry) Multiple fruit o Derived from many flowers o All flowers on one stalk o Group of many individual fruits along with the inflorescence stalk o Ex: pineapple, jackfruit Accessory fruit o Edible part of fruit is not derived from the ovary o Ex: apple, strawberry Patterns of fruit growth o Size of the fruit depends on three factors: Amount of cells How big the cells are How the cells are packed o The primary components that drive fruit growth and development are cell division and expansion In the beginning there isn't much growth until after a few weeks where the growth is driven by cell division Later on the growth is driven by the cell expansion o Occurs in three stages 1: cell division starts 2: growth kind of drops off and other parts of the fruit may mature Ex: pit hardening 3: cell expansion takes over o Its influenced by genetic factors, cultural factors, and environmental factors 2-3-16 Wednesday, February 3, 2016 9:59 AM Orchard site selection o Site selection for fruit Soil characteristics Not specific to fruit Soil pH Preferably between 6-7 Certain crops prefer lower like blueberries Too low can cause nutrient uptake to be low Soil fertility Nutrient availability affected by pH Excess nitrogen promotes vegetative growth Good water drainage Topography of the site Rolling fields most desirable for temperate fruit trees Elevation and slope are important Elevated sites are preferable for temperate crops Climate because they will be there for the whole year Cold hardiness zones Chilling hours Growing season Rainfall, sunlight, temperature Proximity to water Proximity to the market
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