Peaches
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
