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Backyard Fruit Production

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<strong>Backyard</strong> <strong>Fruit</strong> <strong>Production</strong><br />

Joel A. Reich<br />

Horticulture Agent<br />

CSU Extension-<br />

Boulder


<strong>Fruit</strong> Groups<br />

Pome fruits- Apple, pear, quince<br />

Stone fruits (Drupes)- Peach, plum, apricot, cherry<br />

Cane berries- raspberries, blackberries, hybrids<br />

Vine fruits- Grapes, kiwis<br />

Shrub/bush fruits- Blueberries, currants,<br />

gooseberries


Tree <strong>Fruit</strong>s


Planning an orchard<br />

Do a soil test at least one year prior and<br />

correct problems prior to plant<br />

Select certified (true to name, virus-free, and<br />

pathogen-free stock)<br />

Ideally, use one-year<br />

old stock<br />

Use dwarfing or semi-dwarfing<br />

rootstock


Cultural practices<br />

Site location:<br />

Full Sun<br />

On a slope<br />

Late spring frosts are biggest problem with<br />

backyard tree fruit production on the Front<br />

Range<br />

– Rigid frame?


Cultural practices continued<br />

Soils – well drained, loam is best<br />

Light – Full sun for at least 8 hours per day<br />

Terrain – gently rolling to allow air moderation<br />

and circulation<br />

Fact Sheet # 7.003, 2.926 & 2.932


Wildlife considerations<br />

Rabbits<br />

Birds<br />

Deer<br />

Bears<br />

Trunk protection<br />

Fencing<br />

Netting


Pruning Objectives<br />

Develop desired tree shape<br />

Maintenance<br />

Ease of spraying<br />

Improved fruit quality<br />

Improved strength and induce branching<br />

Improved air circulation


Training and pruning systems<br />

Open Vase System<br />

Modified Central Leader<br />

Espalier<br />

Trellis<br />

Remember to remove weak and crossing wood.<br />

Shown is Modified Central Leader


20 Year old Standard Apple<br />

Open Vase System


Whip – on arrival<br />

Yr. 1 & Yr. 2<br />

Modified Central<br />

Leader


Watch branch collar – Fact Sheet 7.003


Flowering and thinning (7.002)<br />

Only need 7% of the available flowers to<br />

produce fruit<br />

Natural fruit drop – first drop occurs 2 to 3<br />

weeks after pollination; June drop<br />

Thinning agents – cultivar specific; follow label<br />

instructions (bees & Sevin)


Propagation Terminology<br />

Cloning<br />

Mound layering<br />

Trench layering<br />

Grafting (Whip or T-bud)<br />

“Basket of<br />

<strong>Fruit</strong>”


<strong>Fruit</strong> Tree Nutrition<br />

P, K important in Fall (1:5:4)<br />

N important in Spring (5:1:1)


Tree <strong>Fruit</strong> Spurs


Apples<br />

Malus pumila or M. domestica<br />

Many uses including dessert,<br />

fresh and cooking<br />

Standard trees vs dwarf cultivars<br />

Usually a need for second cultivar


Apple cultivars (all are cloned)<br />

Acceptable:<br />

Gala<br />

Johnagold<br />

McIntosh<br />

Johnathan<br />

Winesap<br />

Rome Beauty<br />

Johnny Crisp<br />

Avoid:<br />

Yellow Delicious<br />

Delicious<br />

Granny Smith<br />

Mutsu<br />

Fuji<br />

And other cultivars with<br />

longer DTH


Apple pollination<br />

Fact<br />

sheet #<br />

7.002


Coddling Moth<br />

Number 1 pest for backyard growers<br />

Proper thinning and pruning<br />

Pheromone trapping - 2 to 3 generations per<br />

year<br />

Utilize control measures<br />

as necessary – never<br />

apply pesticides<br />

during bloom


Aphids<br />

Use dormant oils before leaf out, why?<br />

Utilized water spray to dislodge insects<br />

Utilize soap when appropriate<br />

Wooly apple aphid more difficult to control due<br />

to waxy honeydew<br />

Review Fact Sheets 5.547 & 5.569 – do not<br />

use any systemic on edible products


Aphids<br />

Winged or wingless<br />

See Fact Sheet 5.511


Pears<br />

Pyrus communis – European Pear<br />

P. serotina or P. pyrifolia – Asian Pear<br />

Often bloom prior to apples<br />

23 species of pears –<br />

many long-lived in the<br />

environment


Pear cultivars<br />

Acceptable European:<br />

Bartlett<br />

Bosc<br />

d’Anjou<br />

Acceptable Asian:<br />

Kieffer<br />

LeConte<br />

Garber<br />

Avoid:<br />

Hardy<br />

Comice<br />

Magness*<br />

Seckel*<br />

*Sterile needs pollinizer


Pear pollinators


Special needs for pears<br />

Use open vase, modified central leader or<br />

espalier<br />

<strong>Fruit</strong> is borne on previous years growth and<br />

spurs that are 2+ years old


Quince<br />

Cydonia oblonigata (Chinese quince) or Chaenomeles<br />

speciosa (Common Quince)<br />

Used as dwarfing rootstock for pears<br />

Maybe used in backyard production


Quince continued<br />

Common in Europe<br />

Graft incompatibility problems and other<br />

problems like apple and pear<br />

Use cutivars that are fireblight resistant<br />

Use as a landscape ornamental


Peaches and Apricots<br />

Relative hardiness<br />

Chilling requirement<br />

Intolerant of heavy soils and high pH<br />

Chlorosis<br />

Gumosis and Cystospora canker


Cherries<br />

Prunus cerasus –<br />

Tart cherry<br />

Self-fruitful<br />

Use healthy one-year old whip, approx. 4 to 6<br />

ft. tall, ½” caliper with good root system


Cherries continued<br />

Sweet cherries have similar hardiness<br />

problems as peaches<br />

Larimer County was #2 in USA in tart cherry<br />

production prior to 1951<br />

Use open vase, modified central leader or<br />

central leader


Cherry cultivars (tart)<br />

Northstar<br />

Montmorency<br />

Meteor<br />

See Fact Sheet 7.002


Cultural care of cherries<br />

Self-fruitful<br />

Frost damage (may need protection)<br />

Avoid compaction and use mulch around<br />

cherries<br />

Watch for nitrogen deficiency


Biotic disorders of Cherries<br />

Powdery Mildew<br />

Cytospora / Gumosis – often accompanies<br />

crown borer


Other diseases of Cherries<br />

Phytopthera<br />

Verticillium Wilt<br />

All usually accompany wounding and/or<br />

associated with wet soils.


Insects<br />

Peach crown borer<br />

Peach twig borer<br />

Aphid – see previous notes<br />

Scales<br />

– Dormant Oils prior to leaf-out<br />

Pear slug<br />

– Use charcoal ash to dust the foliage<br />

Peach Twig Borer


Plums<br />

Prunus domestica –<br />

European Plum<br />

P. salincina – Oriental or Japanese Plum<br />

P. americana –<br />

American or native plum


European / Oriental Cultivars<br />

Acceptable:<br />

Imperatrice (E)<br />

Green Gage (O)<br />

Yellow Egg (E)<br />

Lombard (E)<br />

Stanley (E)<br />

Avoid:<br />

Burbank<br />

Ozark<br />

Premier<br />

Explorer


Plums


Cultural care of plums<br />

Flowering characteristics – thinning<br />

Prune in open vase (Oriental) or modified<br />

central leader (European)<br />

<strong>Fruit</strong>s on spurs and previous years’ growth


Cultural care of plums<br />

Place in sheltered area within the landscape<br />

May require additional Nitrogen<br />

Clean and remove plant material, inc. fruit


Plum pollinators


Small <strong>Fruit</strong>s


Strawberry Culture<br />

Fragaria x ananassa<br />

Cultivars are classed as<br />

June-bearing,<br />

everbearing, day neutral<br />

Have photoperiod<br />

response


Cultural Requirements<br />

Site selection: require at least 8 hours of<br />

sunlight and protection from wind<br />

Do not plant after solanaceous crops or<br />

raspberries<br />

Proper planting depth, mulch and rotation


Cultural Requirement:<br />

Irrigation: trickle or overhead<br />

Frost protection<br />

Row covers; weeds<br />

Harvest and post-harvest considerations


Junebearing cultivars<br />

Acceptable<br />

– Honeoye<br />

– Guardian<br />

– Kent<br />

– Gem<br />

– Carskill<br />

– Geneva<br />

Avoid<br />

– Dunlap<br />

– Fairfax<br />

– Robinson<br />

– Red Star


Everbearing Cultivars<br />

Acceptable<br />

– Quinalt<br />

– Ogallala*<br />

– Ft. Laramie<br />

Avoid<br />

– Ozark Beauty<br />

– Rockhill


Day Neutrals<br />

Tribute<br />

Tristar<br />

Fern


Biotic Disorders<br />

Numerous – Lygus (plant) bug is # 1<br />

Aphids<br />

Slugs & Millipedes<br />

Diseases<br />

Follow good cultural control: remove debris,<br />

use certified pathogen-free stock & scout


Lygus bug<br />

Control weeds, alfalfa and<br />

legumes<br />

Utilize insecticidal soap –<br />

avoid treating during bloom<br />

Use sweep nets<br />

Vacuum


Strawberry Nutrition<br />

N promotes excess growth and runners<br />

P and K are critical for good fruit set<br />

Fall fert. Is key to bud devel.


Planting Systems<br />

Matted row<br />

Hill system


Raspberry Culture<br />

Rubus odoratus<br />

Rubus ideaus or Red<br />

Raspberry<br />

R. occidentalis (Black<br />

Raspberry)<br />

R. neglectus (Purple<br />

Raspberry)<br />

Many other subspecies


Cultural Requirements<br />

Full sun<br />

Well-drained soil<br />

Support<br />

Proper pruning


Pruning and Training systems<br />

Floricane fruiting vs. Primocane fruiting<br />

– Think of each cane as a biennial plant<br />

Any kind of trellis is better than laissez-faire heap


Red raspberry cultivars<br />

Acceptable<br />

– Heritage<br />

– Honey Queen<br />

– September Red<br />

– Fall Red<br />

– Red Wing<br />

– Fall Gold<br />

– Pathfinder<br />

– Trailblazer<br />

Avoid<br />

– Latham<br />

– Boyne


Ribes spp.<br />

Currants<br />

Gooseberries<br />

Jostaberries<br />

Woody perennial shrubs –<br />

3 to 6’<br />

Most are self-fruitful


Gooseberrries<br />

Thorny!<br />

Delicious!<br />

Self-fruitful<br />

Avoid growing white pine<br />

nearby


Gooseberry cultivars<br />

Acceptable<br />

– Poorman<br />

– Hinnomaki Yellow<br />

– Welcome<br />

– Hinnomaki Red<br />

– Invicta<br />

– Early Sulfur<br />

– Red Jacket*<br />

Avoid<br />

– Pixwell<br />

– Downing<br />

– Colossal<br />

Jostaberries<br />

– Josta


Currants<br />

Red currants<br />

– Red Lake<br />

– Wilder<br />

– Cherry<br />

– Perfection<br />

– Jhankeer Van Tets<br />

– White Grape<br />

– White Imperial<br />

Black currants<br />

– Boskoop Giant<br />

– Ben Nevis<br />

– Brodtrop<br />

– Consort<br />

– Crusader<br />

– Crandall*


Black Currant<br />

All Ribes do best in<br />

fertile, loamy soil with<br />

good drainage. Optimal<br />

pH of 6.2 to 6.5 is<br />

desired<br />

Plant on northern facing<br />

slopes & plant 1 to 2”<br />

LOWER than previously<br />

grown.


Red Currant


Sambucus canadensis Elderberry<br />

High in Vit.C; used in<br />

jellies & pies<br />

Plant 5 to 7 ft. on center<br />

– pruning out wood after<br />

third year<br />

Landscape value for<br />

wildlife


Elderberry<br />

Tolerate most soil types<br />

and most drainage<br />

conditions<br />

Be careful tilling near<br />

roots!!!<br />

Partially self-fruitful


Elderberry<br />

Cultivars:<br />

– Adams #1<br />

– Adams #2<br />

– Johns<br />

– New York 21<br />

– Nova<br />

– Scotia<br />

– York


Grapes – Vitis spp.<br />

Common problems<br />

include:<br />

– Poor drainage<br />

– Poor quality vine purchase<br />

– Planting too late in the<br />

season<br />

– Poor use of irrigation<br />

– Inadequate control of<br />

weeds and diseases


Site preparation<br />

Remove all trees,<br />

stumps, rocks, wire, etc.<br />

Deep tillage maybe<br />

needed<br />

Soil test & space<br />

appropriately


Cultivars to consider<br />

Himrod<br />

Interlaken<br />

Lakemont<br />

Concord<br />

Niagara<br />

Stueben<br />

Golden Muscat<br />

Vanessa<br />

Reliance<br />

Canadice


Pruning<br />

Grapes


Pruning<br />

established<br />

grape vines


Grapes after pruning


Discuss Blackberries and<br />

Blueberries…


Make Sure to have FUN!

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