Week 7 Notes
Week 7 Notes 3020
Popular in Fruit Crops
Popular in Agriculture and Forestry
This 3 page Class Notes was uploaded by Nicole Encardes on Friday February 26, 2016. The Class Notes belongs to 3020 at University of Georgia taught by Anish Malladi in Spring 2016. Since its upload, it has received 18 views. For similar materials see Fruit Crops in Agriculture and Forestry at University of Georgia.
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Date Created: 02/26/16
2-22-16 Monday, February 22, 2016 10:14 AM Pruning practices o Pruning cuts Heading cuts Cutting the shoot below the apical portion which causes lateral shoots to grow out Thinning cuts Used to open up the canopy Cutting off the lateral shoots near the base o Which branches to prune Depends on where the fruit are produced 1 year old wood - peaches 2 year and older - apples Can tell the growth by the presence of terminal ring o Removal of hanging branches Thinning cuts at the intersection of the hanging branches and the previous branch Removal is good because the hanging branches are shaded and the fruit they may produce won't be quality o Timing of pruning Dormant pruning Done in winter Invigorating Induces more vegetative growth Summer pruning Removal of new growth Decreases growth Limit usage 2-24-16 Wednesday, February 24, 2016 10:15 AM Training o Central leader One main shoot with scaffold branches coming off of the trunk The central leader will provide the height Want the scaffold branches in multiple levels or tiers Makes sure there isn't very much shading on the lower branches Preferred tree shape - pyramidal How to train a central leader Start off with a whip First cut would be a dormant pruning and a heading cut This causes the lower axillary buds to produce shoots The next year you pick which shoot will be the central leader Something with a vigorous growth habit The rest will be your first tier of scaffold branches The next year you would make a dormant heading cut on the central leader In the spring more branches will be formed and you will pick another central leader from those and the rest will be your second tier Repeat each following year until you get to about 4 tiers and then it's good o Open-center You have a trunk but no central leader You have multiple scaffold branches instead Basically the center is open Let's there be closer spacing between trees How to train Start off with a whip The first year you do a heading cut and you'll get multiple shoots to grow out Then select the most vigorous scaffold branches and train them to go different directions Don't encourage a central leader Bend the shoots to grow horizontally Second year make a heading cut on each of the scaffold branches and prevent a central leader o Branch angle - bark inclusion When you have an acute branch angle the wood that forms at the junction is very week due to bark inclusion You can prevent this with branch spreading A spreader is just a wooden or plastic piece that will hold a branch at the angle you want You can also tie ropes to the branch and tie them down to the ground or with weights Apples o Taxonomy Family - Rosaceae Malus x domestica Borkh. Genome was recently sequenced 2010 Malus sieversii is considered to be the progenitor 2-26-16 Friday, February 26, 2016 10:12 AM Apple Cont. o Cultivars Pixie crunch Gala Golden delicious Empire o Apple sports Natural/spontaneous mutants Color/stripe/ripening date/size Gala ex: Royal gala Imperial gala Regal gala Improved red gala Buckeye gala Autumn gala Kidds D8 gala Grand gala Big red gala o Origin Originated in central Asia Kazakhstan specifically near the border of China o Medicinal properties Fiber Flavonoids - peel tissue Anti-cancer properties Cardio-vascular diseases Seeds mildly poisonous Contain HCN (hydrocyanic acid) Is a type of cyanogenic compounds that derive from sugars and are poisonous Found in many rosaceae fruit crops o Recent production trends The acreage has declined over that last decade but the production has increased
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