Peaches

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How to control Plum Curcilio?

-monitoring -insecticides - sanitation

Peach Tree Short Life

-nematodes -low pH - bacterial canker - winter/cold injury

What does SSC stand for?

Soluble solid content

Climacteric fruits ___ after being picked

ripen

Examples of medicinal properties:

Anti-cancer phloretin cyanogenic glycosides

What is the scientific name of the peach?

Prunus persica (L.) Batsch

True or False: Peaches are considered to be Climacteric fruits

True

How are peaches propagated?

t/chip budding

How to Control Oriental Fruit Moth?

- insecticides - mating disruption

How to control PEACH TREE SHORT LIFE?

- nematicides -pH correction - rootstock- "guardian"

How are peaches planted (design)?

-Free standing ( greater spacing) -Columnar (pillar) type peaches -High density ( increased productivity )

What are rootstocks generally used for?

-cold hardiness - nematode - peach tree short life - root rot

Phony Peach Disease

-discoloration of leaves -compact trees size/ quality is reduced

Canker

-fungal - bacterial ( apart of PTSL )

Oriental Fruit Moth

-larvae damage - fruit injury - molds - 3-5 generations/year

Lesser Peach Tree Borer:

-larvae damage - girdling ( removal of a strip of bark) - previous injury

Plum Curculio( SOUTHEAST)

-larvae tunnel into fruit - mis-shapen fruit

When did commercial production begin for peaches?

19th century

China leads peach production with about ____ %

38

When do peach rootstocks seed bud flowers?

4th year

Which state leads peach production in the US?

California

What has the capacity to break down dormancy?

Dormex- ( Hydrogen Cyanamide)

What kind of fruit is the peach?

Drupe

What is the origin of Peaches?

Eastern Asia (Southern China)

Peaches are cold hardy

False

True or False: Peaches need a pollinizer

False

What kind of pattern does Peaches have?

Flower Leaf Flower (FLF)

Which cultivar of peaches leads the others?

Freestone>Clingstone>Nectarines

What country was the peach introduced to?

IRAN (PERSIA )

Budding should be done late ___ or _____

June , August

What temperature do you store peaches?

Low temperature short post harvest life

Most common way to harvest peaches?

MANUALLY

What kind of harvesting is for non-melting flesh type peaches?

Mechanical

What are the 3 cultivars of peaches?

Nectarines, Clingstone, Freestone

Peach Training and Pruning

Open Center High Density

Peaches have what kind of ovary?

Perigynous

What do applestocks control?

Precocity contro vigor of the tree

What country introduced the peach to the US?

SPAIN

What is considered to be the biggest problem for peaches?

SPRING FREEZE DAMAGE

How to control Blossom blight?

Sanitation, pruning, fungicides

What is a TA?

Titratable acidity (TA) - extraction of juice

True or False: Peaches are self-fertile

True

What kind of trees are peach trees?

Upright + Columnar

What does hydrogen cyanamaide do to flowers?

allow flowers to open up

What does the DA meter do?

analyze peach fruit quality

Definition of precocity :

developing earlier than usual

Climacteric fruit produce more ___

ethylene

Peach thinning principles:

fruit on 1 year old wood canopy reduction and balance expensive flowering

Nectarines are ____ peaches

fuzzless ( recessive trait )

How to CONTROL lesser Peach Tree Borer:

insecticides-adults -pheromone traps - mating disruption

Amygdalin are in ___ pit and ___

leaves, bark

Freestones the pit is ____ attached to the flesh

loosely

Blossom Blight (brown rot)

mummified fruit -spores shoot blight blossom death-brown

Peaches are considered to be Cleistogamy

pollination occurs before flowers open

What is the pro about mechanical thinning?

remove the excess blossoms to save enough energy for the other other fruit to grow larger ( development)

Peaches are __ flowers

single

Clingstones the pit adheres ____ to the flesh

strongly

What are some frost protection strategies?

wind machins, overhead sprinkling irrigation


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