|
|
June
|
|
|
Stage of Pecan Growth
|
Major Pests
|
Occasionally Control Needed For
|
|
Early nut sizing; 2nd nut drop
|
Scab, foliage disease,
yellow
aphids, nut
casebearer
|
Black aphids,
mites,
hickory shuckworm,
leafminers,
plantbugs,
spittlebugs, bud moth, may beetles, leaf
and cigar casebearers,
nut curculio.
|
|
|
|
|
|
Maintenance
|
Propagation
|
Pest
Management
|
|
- Check for problems with pollination or fertilization
associated with 2nd nut drop.
- Irrigate as needed.
- Fertilize if you are splitting applications on young trees.
|
- None
|
- Spray fungicides at 3-week intervals.
- Scout for yellow aphids and spray when
they exceed 30 per compound leaf.
- Scout and spray as needed for nut
casebearer and occasional pests
listed
above.
- Begin operating hickory shuckworm
black light traps.
|
|
|
July
|
|
|
Stage of Pecan Growth
|
Major Pests
|
Occasionally Control Needed For
|
|
Nut sizing, water stage, early shell hardening, 3rd nut
drop
|
Scab, foliage diseases, pecan
weevil, hickory shuckworm
|
Nut curculio,
aphids,
mites, stinkbugs, leafminers,
casebearers,
spittlebug and bud moth
|
|
|
|
|
|
Maintenance
|
Propagation
|
Pest
Management
|
|
- Take leaf samples for nutrient
analysis. Soil samples may also be
taken.
- Irrigate as needed.
- Keep orchards closely mowed.
|
-
Patch bud
beginning lat July.
|
- Apply postemergence
herbicides if
needed.
- Spray fungicides at 3-week intervals.
- Monitor pecan weevils by traps or
knockdown sprays beginning late July.
- Scout and apply sprays needed for
occasional pests listed above.
|
|
|
August
|
|
|
Stage of Pecan Growth
|
Major Pests
|
Occasionally Control Needed For
|
|
Water-gel stage, shell hardening, early kernel filling,
4th nut drop
|
Pecan weevil,
hickory shuckworm,
yellow and
black aphids,
mites
|
Scab, foliage disease, stinkbugs, casebearers,
webworm, walnut caterpillar, bud moth, leafminers
|
|
|
|
|
|
Maintenance
|
Propagation
|
Pest
Management
|
|
- Irrigate as needed.
- Mow orchards.
- Late season fertilization
Additional information on
Hickory Shuckworm
Pecan weevils
Mechanical
nut thinning
|
-
Patch bud.
|
- Apply postemergence herbicides if
needed.
- Monitor pecan weevil and hickory
shuckworm traps closely.
- Check for aphid and mite infestations
which frequently build in late August,
especially following carbaryl or
synthetic pyrethroid sprays.
- Fungicide sprays may be needed.
- Scout and spray as needed for
occasional pests listed above.
|
|
|
September
|
|
|
Stage of Pecan Growth
|
Major Pests
|
Occasionally Control Needed For
|
|
Kernel filling
|
Yellow and black aphids, mites, pecan weevil, hickory shuckworm
|
Stinkbugs, casebearers, webworm,
walnut caterpillar,
bud moth, scab, foliage diseases
|
|
|
|
|
|
Maintenance
|
Propagation
|
Pest
Management
|
|
- Prepare for harvest: mow orchards; clean up debris;
service harvesting equipment.
|
-
Patch bud.
|
- Frequently the worst month for aphids
and mites; scout and spray as needed.
- continue monitoring closely for pecan
weevil and hickory shuckworm.
- Scout and spray for occasional pests
listed above.
|
