|
|
May
|
|
|
Stage of Pecan Growth
|
Major Pests
|
Occasionally Control Needed For
|
|
Pollination to nut set; 1st nut drop
|
Scab, foliage diseases,
nut
casebearer
|
Aphids,
mites,
plant bugs,
spittlebugs,
webworms,
walnut caterpillar
|
|
|
|
|
|
Maintenance
|
Propagation
|
Pest
Management
|
|
- Keep orchards mowed.
- Continue
foliar zinc sprays.
- Irrigate as needed.
|
- 4-flap graft.
- Bark graft.
|
- Apply pollination and 1st cover sprays
with fungicides at 14-day intervals.
Switch to 21-day interval between 1st
and 2nd cover spray.
- Spray for nut casebearer; 4- to 6
percent of nut clusters may have eggs,
larvae, or damage.
- Scout and spray as needed for
occasional pests listed above.
|
|
|
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.
|
|
|
|
|
|
|
|
|
