Growing Citrus and Peaches: Similarities and Differences - PowerPoint PPT Presentation

1 / 36
About This Presentation
Title:

Growing Citrus and Peaches: Similarities and Differences

Description:

Flower Induction. Bloom. Peaches. Deciduous. Temperate ... Citrus Spray Guide. Peaches. Southeast Peach, Nectarine and Plum Pest Management and Culture Guide ... – PowerPoint PPT presentation

Number of Views:219
Avg rating:3.0/5.0
Slides: 37
Provided by: jjfn
Category:

less

Transcript and Presenter's Notes

Title: Growing Citrus and Peaches: Similarities and Differences


1
Growing Citrus and Peaches Similarities and
Differences
  • Jim Ferguson
  • Horticultural Sciences Department
  • University of Florida, Gainesville

2
Growth Habit
  • Citrus
  • Evergreen
  • Subtropical Origin
  • Dormancy
  • Temperature Sensitivity
  • Flower Induction
  • Bloom
  • Peaches
  • Deciduous
  • Temperate Origin
  • Subtropical Peaches
  • Low Chill
  • cumulative
  • Early Maturing
  • Long Vegetative Period
  • Defoliation Prior to Chilling
  • Zinc Sulfate
  • Premature Defoliation
  • Bloom

3
(No Transcript)
4
(No Transcript)
5
(No Transcript)
6
(No Transcript)
7
Peach Chill Units and FDP
8
Crop Development
  • Citrus
  • Cool Winter
  • Seasonal Temperatures
  • Moisture
  • Early, Mid, Late Cultivars
  • Peaches
  • Chilling Hours
  • January Temperatures
  • Fruit Development Period
  • Seasonal temperatures

9
Soil Types
  • Citrus
  • Drainage
  • Rooting Depth
  • Ridge
  • Flatwoods
  • pH
  • 6-7
  • Toxicity
  • Ca
  • Cu
  • Peaches
  • Drainage
  • Rooting Depth
  • 4-6 ft
  • pH
  • 6.0-6.5
  • Toxicity
  • Ca
  • Breakdown Rate of Residual Herbicides
  • Grove History
  • Rotation Interval
  • Bioassay

10
Grove/Orchard Design
  • Citrus
  • Spacings
  • 117-125 t/acre
  • Tree Life Span
  • Reset Program
  • Peaches
  • Spacings
  • 10 x 20 (218t/a)
  • 15 x 20 (145 t/a)
  • 20 x 20 (108 t/a)
  • Pruning
  • Tree Life Span
  • 8-10 Years
  • New Cultivars
  • No resets

11
Nurseries
  • Citrus
  • Budwood Registration Program
  • Registered Trees on Certified Sites
  • Peaches
  • Nursery/Orchard Source
  • DPI Field Nursery Inspection
  • Root Knot Nematode?

12
Nursery Stock
  • Citrus
  • Bare Root
  • Containerized
  • Peaches
  • Bare Root
  • Containerized ?
  • 2-4 ft height
  • Caliper

13
(No Transcript)
14
(No Transcript)
15
Rootstocks
  • Citrus
  • Nucellar Embryony
  • Uniformity
  • Extraction/Storage
  • Grafted Seed Source Trees
  • Peaches
  • Flordaguard
  • Nemaguard
  • Open Pollinated
  • Less uniform
  • Alkaline Soils Iron Chlorosis
  • Grafted Seed Source Trees
  • Crack Pit and Seed Extraction
  • Seed Stratification

16
Tolerance of Peach Rootstocks to Stress
17
Planting
  • Citrus
  • Year Round
  • Bare Root ? Containerized after 3-4 years
  • Microsprinklers
  • Peaches
  • Dormant Planting
  • Bare Root
  • Containerized ?
  • Microsprinklers

18
Weed Management
  • Citrus
  • Citrus Spray Guide
  • Peaches
  • Southeast Peach, Nectarine and Plum Pest
    Management and Culture Guide
  • Arkansas, Alabama, Florida, Georgia, Louisiana,
    Mississippi, North Carolina, Oklahoma, Tennessee,
    Texas
  • 3-4 ft Herbicide Strip within Row Year 1
  • 5 ft Strip After
  • Sod middles

19
Nitrogen Fertilization Rate
  • Citrus
  • Year 1
  • 0.15 0.30 lb N/tree
  • Year 2
  • 0.30 0.60 lb N/tree
  • Year 3
  • 0.450.90 lb N/tree
  • Year 3
  • Oranges
  • 120-120 lbs N/a
  • Peaches
  • Year 1
  • 0.1 lb N/tree
  • Year 2
  • 0.4 lb N/tree
  • Year 3
  • _at_100 lb N/a

20
Fertilization Formulation
  • Citrus
  • More Variable
  • Peaches
  • Panhandle
  • 8-8-8
  • Peninsula Florida
  • 12-4-8
  • Zinc Oxide
  • 1-2 Young Trees
  • 2 lbs Zn/100 gallons
  • 1-2 sprays/year
  • Boron
  • 5 lbs B203/a
  • Manganese
  • 0.75 lbs/100 gallons/acre

21
Fertilizer Timing
  • Citrus
  • ½
  • January - June
  • ½
  • Fall-Winter
  • Dry
  • 3X
  • Fertigation
  • 10X
  • Peaches
  • Year 1
  • Feb
  • May
  • July
  • Year 2
  • Jan
  • May
  • Year 3
  • Jan
  • May
  • August?

22
Irrigation
  • Citrus
  • Ridge
  • Soil Water Depletion
  • 25-50
  • Flatwoods
  • 25-50
  • Microsprinklers
  • Peaches
  • 4 inches/month
  • 1-2 inches every 10 days
  • Microsprinkler
  • Overhead
  • Freeze Protection

23
Freeze Damage
  • Citrus
  • Buds
  • Blossoms
  • Young Fruit
  • Mature Fruit
  • 28F
  • 4 hours
  • Twigs
  • Branches
  • Peaches
  • Buds
  • 20F
  • Blossoms
  • 26F
  • Young Fruit
  • 28F

24
Pruning
  • Citrus
  • Mechanical
  • Hedging
  • Topping
  • Peaches
  • Planting
  • Tree Training
  • Open Center
  • V
  • High Density
  • Annual Winter/Summer?
  • 18-23 hours/acre
  • Manual Labor

25
(No Transcript)
26
(No Transcript)
27
Fruit Thinning
  • Citrus
  • Alternate Bearing
  • Self Thinning
  • Peaches
  • One Fruit Every 6 Inches Before Pit Hardening
  • Labor Costs

28
Harvesting
  • Citrus
  • Seasonal
  • Brix/Acid ratios
  • Peaches
  • Change in Ground Color
  • Harvest at 2-day Intervals 3-4 Times
  • Field Packing
  • Tree Ripe Fruit

29
(No Transcript)
30
(No Transcript)
31
(No Transcript)
32
DISEASES
  • Citrus
  • Foliar
  • Greasy Spot
  • Canker
  • Fruit
  • Brown Rot
  • Tree
  • Systemic Diseases
  • Roots
  • Armellaria Root Rot
  • Phytophthora
  • Nematodes
  • Peaches
  • Foliar
  • Bacterial Spot
  • Rust
  • Fruit
  • Scab
  • Bacterial Spot
  • Brown Rot
  • Tree
  • Phony Peach
  • Bacterium
  • Botyrosphaeria Rot
  • Gumming
  • Roots
  • Amellaria Root Rot
  • Nematodes

33
(No Transcript)
34
(No Transcript)
35
INSECTS AND RELATED PESTS
  • Citrus
  • Foliar
  • Grasshoppers
  • Leaf Miners
  • Orange Dogs
  • Mites
  • Scales
  • Fruit
  • Stink Bugs
  • Mites
  • Scales
  • Tree
  • Scales
  • Fire Ants
  • Roots
  • Root Weevils
  • Nematodes
  • Peaches
  • Foliar
  • Fruit
  • Plum Curculio
  • Catfacing Insects
  • Carib Fly
  • Tree
  • San Jose Scale
  • White Peach Scale
  • Tree Borers
  • Sharpshooter Vectors
  • Roots
  • Blue-green root weevil
  • Varmits
  • Deer
  • Others

36
(No Transcript)
Write a Comment
User Comments (0)
About PowerShow.com