Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can...
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Transcript of Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can...
![Page 1: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/1.jpg)
Peaches and Nectarines
Chapter 18
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Tree Growth and limiting factors• 15 feet tall.• 20 feet wide• Can remain productive for 15 to
20 years, but usually die earlier.• Flowers are on hangers that are
1 yr old• Yields
– Processing = 18 ton/acre– Fresh market = 10 ton/acre
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• Stone Fruit = have a stony pit• Yellow• White• Freestone• Cling• Semi-freestone• 45% are sold fresh market• 55% are sold as processed
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• 75% of processed peaches are canned
• 15% are frozen• 2% are dried• 8% are made into baby food,
wine, brandy or pickled.• Processing peaches have a non-
melting flesh. (flesh that remains firm when ripe)
• Prop sticks for processing peaches
![Page 5: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/5.jpg)
Nectarines
• No fuzz• Make up 17% of total
production
Peach
• White = 16 to 17%• Yellow = 12 to 14%• Yellow peaches = 82%
of total production• White peaches = 1%
of total production• 77% of US Production
comes from California• Originated in China
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Site Selection
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Selecting Rootstocks
• Page 347
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Choosing Cultivars
• Page 348
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Orchard Layout
• See page 361Medium-low density, open
centeredMedium-high density, quad V
systemHigh-density, V-hedgerow systemHigh-density, V-trellis system
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Pruning and training
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Orchard Floor management, Irrigation & Fertilizers
• Floor– Winter cover crop– Cultivate 4 to 5 times in summer
• Irrigation– Flood– Micro sprinklers– Drip
• Fertilizer
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Cultural practices• December• Peach leaf Curl
Kocide Df 10 pounds per acre
Super 90 Oil 2 gals per acre or
Nu Film P 6 fl oz per acre
• Weed control Preemergent ProgramGramoxone Max 2 pt per acreGoal 2XL 2 pt per acreSolicam DF 2.5 lb per
acrePrincep 4L 3 pts per
acreActivator 90 1 pt
per 100
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January
• Dormant Spray Program (Optional)Asana 8 fl oz
per acreKocide 2000 6 lb per
acreSuper 90 Oil 5 gal
per acre• Peach leaf Curl
Kocide DF 10 pounds per acre
Super 90 Oil 2 gals per acre or
Nu Film P 6 fl oz per acre
• FertilizerCAN-17 40 lbs N 19
gallons per acre
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February
• Blossom Treatment (mid February)
Orbit 4 oz per acreKocide 2000 1.5 lb
per acreRNA SI 100 1.5 fl oz per
100
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March
• Full Bloom / ThripsVangard 5 oz per acreSuccess 6 fl oz
per acreRNA SI 100 1.5 fl oz per
100• Petal fall fungicide/ Insecticide
Bravo 4 pts per acre
Success 1 pt per acre (if dormant Spray is omitted)
• Fertilizer20-20-20 (Foliar) 10 lb per
acre
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March Cont.
• GophersPhostoxin 1-2 tblts per
hole
• Phermone dispensers• Checkmate SF 150
disp per acre
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April
• Powdery MildewRally 4 oz per acreRNA SI 100 1.5 fl oz per
100
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June
• Phermone dispensersCheckmate SF 150
disp per acre
• Notes:• 1) Excessive Nitrogen is not good
for fresh fruit• 2) Spot treatment for some weeds
may require additional treatments• 3) Gopher Program may require
continuous monitoring and treatment
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Insects
Peachtree borer
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Peach twig borer
![Page 21: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/21.jpg)
Oriental Fruit Moth
![Page 22: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/22.jpg)
San Jose Scale Shothole borer
![Page 23: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/23.jpg)
Green stink bug Consperse stink bug
![Page 24: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/24.jpg)
Omnivorous leafroller adult
Omnivorous leafroller larva
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katydid
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Crown Gall
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Phytophthora
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Peach leaf curl
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Bacterial Blast Bacterial Canker
![Page 30: Peaches and Nectarines Chapter 18. Tree Growth and limiting factors 15 feet tall. 20 feet wide Can remain productive for 15 to 20 years, but usually die.](https://reader036.fdocuments.in/reader036/viewer/2022062500/56649f525503460f94c76fcc/html5/thumbnails/30.jpg)
Virticillum Wilt Scab
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Weeds