Title: Vegetarian
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Permanent Link: http://ufdc.ufl.edu/UF00087399/00016
 Material Information
Title: Vegetarian
Series Title: Vegetarian
Physical Description: Serial
Creator: Horticultural Sciences Department, Institute of Food and Agricultural Sciences, University of Florida
Publisher: Horticultural Sciences Department, Institute of Food and Agricultural Sciences, University of Florida
Publication Date: March 1954
 Record Information
Bibliographic ID: UF00087399
Volume ID: VID00016
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.

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.' COOPERATIVE EXTENSION WORK IN AGRICULTURE AND HOME ECONOMICS
STATE OF FLORIDA
COLLEGE OF AGRICULTURE, AGRICULTURAL EXTENSION SERVICE
UNIVERSITY OF FLORIDA, AND COUNTY AGENT AND
UNITED STATES DEPARTMENT Vegetable Crop Specilists HOME DEMONSTRATION WORK
OF AGRICULTURE, COOPERATING GAINESVILLE, FLORIDA
,. V E G ETARIAN A R
No. 23 VMarch 15, 1954

MR. COUNTY AGENT:
Numerous changes in recommendations have been presented since the last revision
of the Handbook on Pesticides, February, 1951. We've made every effort to keep you
up-to-date on major developments, including newsletters, crop production guides and
meetings.

Now, you say it's time to pull some of the loose ends together? 0. K....here's
our latest on Vegetable Insect Control, prepared in cooperation with Station entomo-
logists and including interpretations of research up to January 1, 1954. Revisions
will be made when we can improve on the presentation or when warranted by further re-
search with these or additional pesticides.

This presentation is not intended to give every detail, but to make available
pertinent facts for your use. For example, we have not included comments on such
items as when to discontinue applications and other precautionary statements. This
in no way is intended to minimize these considerations. As a county agent you know
each chemical offers a definite problem, and every effort must be made to insure pro-
tection of the user and consuming public. Strict adherence to precautionary state-
ments such as those on reputable manufacturer's required pesticide labels, until fur-
ther research and/or legislation indicates otherwise, should be constantly emphasized
to pesticide users.

Spray materials are shown in amounts (or equivalent) per 100 gallons water.
Amounts of sprays and dusts to use per acre vary widely with plant size and stacing.
In general, around 20-35 pounds of dust or 75 to 150 gallons of spray are adequate.
Thorough coverage is the essential feature.

The accompanying chart is prepared for your convenience while in the field and
we hope you find it useful as a ready reference.



BUSH and POLE BEAN

Spnra: Dust:
Armyworm DDT wp, 2 Iba. 50% DDT 50
Chlordane wp, 2I lbs. 40% Chlordane 5%
Toxaphene wp, 2 Ibs. 40% Toxaphene 10%
-- TDE (DDD) 5%
Apply when armyworms appear, continue at 7-day intervals until control is com-
plete. Armyworms often migrate into field, or moths lay eggs and young develop on
grass. When grass is destroyed worms migrate to beans. Sulfur may be used as all,
or a part, of the dilueht in dusts for beans, See sulfur burn comments under disease
control.
Toxaphene is not recommended for pole beans in the West Coast area as it may
cause severe burn, DDT and TDE (DDD) are not suggested in the Sanford area.

S-ray: Dust:
Bean leaf-hopper DDT wp, 2 lbs. 50% DUT 511
and Leaf-rollar
Apply at first signs of leaf-hoppers, 1 to 3 applications at 10-day intervals,
last treatment just before blooming. See remarks above relative to using sulfur as
a diluent.
In Everglades and Lower East Coast areas leaf-hoppers most severe in spring




during warm dry periods; in Central and Northern Florida most prevalent in the fall.
Young plants suffer most.
One treatment should be sufficient for leaf-rollers. Wait for fairly heavy pop-
ulation before applying insecticide. Dust borders of large field with airplane.
Usually not necessary to treat whole field unless small or infestation severe.


Sbray:


Dust :


Cucumber beetle, Chlordane wp, 2' Ibs. 40c% Chlordane 5,
12-spotted and DDT wp, 2 lbs. 50% DMT 5%
banded
Apply when insects or damage is evident. Regular applications of DDT for con-
trol of other pests will reduce damage from cucumber beetles.
DDT has given best control in the Homestead area.

Spray: ist: Bait:
Cutworm Toxaphene wp, 2- lbs. 40% Toxaphene 10% Toxaphene 2%
Chlordane wp, 2y Ibs. 40A Chlordane 5% Chlordane 1l-2%
Apply before planting if worms are present or at first signs of worm damage to
young plants. Check field carefully for worms before seeding, if worms are found use
bait. Watch young plants for injury and bait or dust immediately.
A home-made bait can be prepared by thoroughly mixing 3 or 4 pounds of wettable
chlordane or toxaphene with 100 pounds of wheat bran. Moisten bait slightly just
prior to applying. Best to apply bait in late afternoon.
Note comments on toxaphene on pole beans in West Coast area see armyworms.

Snrav;: kusU:
Mexican bean beetle Parathion wp, 1 lb. 15% Parathion 1%
-- Rotenone 3/4-1%
-- Methoxychlor 5%
Apply when damage becomes evident. Spot control may be effective if infestation
is found early.

Spray: Dust:
Serpentine leaf Parathion wp, 1 lb. 15% Parathion 1%
miner Toxaphene wp, 24 lbs. 40% Toxaphene 10%
Apply before infestations seem general-; 1 to 2 applications at 7-day intervals
should be sufficient. Parathion is generally considered more effective.
Note comments on toxaphene on pole beans in West Coast area see armyworms.
Parathion is the recommended material in the Sanford and West Coast areas. In
the Everglades area it is noted that toxaphene used for the control of other insects
may reduce the serpentine leaf miner problem.

Spray: Dust:
Thrin DDT em, 1 qt. 255 DDT 5%
Toxaphene wp, 2- Ibs. 40% Toxaphene 10%
Thrips feeding on leaves and pods do most injury. It may be advisable to apply
when thrips appear in great abundance (12-20 per flower). Repeat with 1 to 3 appli-
cations at 7-day intervals. Attempt thorough coverage just before blooming.
Note comments on toxaphene on pole beans in West Coast area see armyworms.

Spray:: Dust:
Stink bg Toxaphene wp, 24 lbs. 40% Toxaphene 10%
Parathion wp, 1 lb. 15i Parathion 1%
Apply when insects appear. Especially important to insure low population when
pods begin to set.
Note comments on toxaphene on pole beans in West Coast area see armyworms.


Lesser cornstalk
borer


In the Everglades area use aldrin 1 pound technical per acre;
spray in 100 gallons water; use wetting agent or detergent in
spray water to help wet soil and webbing; apply before cultiva-




tion that throws soil to base of plants. In West Coast area EDT
or chlordane at l 1lbs. actual material per acre as a spray or
dust is recommended at the time young plants break through the
ground.


CELERY

S-nraZ: ;hut:
A-hid Parathion wp, 1 lb. 15% :?arathion 1%
DDT em, 1 qt. 25% --
Nicotine sulfate, 1 pt.. 40% J.icotine sulfate-
plus spreader lime 3%
Aphids transmit mosaic, which maaks their control important. Keep ditches and
roadways free of weeds and watch closely for aphids, Under some conditions DDT emul-
sion causes injury to small seedlings and should be .sed with caution on young plants.
Good coverage is essential. Nicotine sulfate is generally less effective than other
materials.


Snrav:
Toxaphene wp,
DDT em, 1 qt.


Garden fleahogner


SDpra
DDT wip, 2 lbi. o50%


Iist:


3 lbs. 40%
*!5%


Dust:


Sray: Dust:
Green cutworm Toxaphene 1p, 3 Ibs. 40% --
The green cutworm cannot be controlled with DDT, To control this pest, use
toxaphene and adjust one nozzje to spray directly into hearts of plants. Toxaphene
also controls other cutworms and armyworms.


Leaf tier
Leaf
and inner
dust into


Thrip


Spray.: Dust:
DD3 5%
tiers cannot be reached very well with power sprayers. They feed in buds
stems and spin a protective web over themselves. Use power duster and force
the celery hearts.


Spray:
DDT I im, 1 qt. 25%


Dust:


Leaf miner


Parathion wp, 1 lb. 15%
TEPP em J pt. 40%


Dust:
Parathion 1%


SWEET CORN

Snray: Dust:
Budworm and Fall DDT wp, 1 qt. 25% DDT 5%
armyworm Toxaphene wp, r- Ibs. 40 --
Make first application for budvorms when feeding is observed. Repeat at one to
two-week intervals, depending on severity of infestation, Direct the spray or dust
into the bud-whorl and from each side of the plant to the upper leaves.


Spray:
Toxaphene wp, 2- lbs. 40%


Dust:
Toxaphene 5%


Bait:
2 -Toxaphene-


Armyworm


Cutworm




*If


wheat bran.
Aldrin wp, 2 lbs., 20 --
Use dust, spray, or bait as pre-emergence treatments. After plants are growing
apply bait at rate of 30 lbs. per acre.


Earworm


Spray;
DDT wp, 2 lbs. 50%
DDT em, 2 qts. 25%


Dust:
DDT 5%


-- Parathion 1-2%
Timing and gEod coverage are absolutely essential for good earworm control. All
treatments must be started when the silks (about 10%) first appear. Six to ten
applications with dust or spray formulations recommended in the above table will give
adequate protection for corn silking in the fall, winter or early spring.
Earworm infestations become heavier as the spring season progresses. For corn
silking in mid-spring, apply 4 qts,, 25% DDT.emulsion in 50 gallons of water per acre
Five to six applications will be needed at 48 hour intervals.
Earworm infestations are heaviest in late spring. Mix 2.5 gallons of white min-
eral oil with 4 qts. of 25% DIT emulsion in 50 gallons of water with agitator running.
Make 5 to 6 applications.


Silk fly

Make first
needed.


Spray: Dust:
Parathion wp, 2 Ibs. 15% Parathion 1-2%
Chlordane wp, 2 Ibs. 50% --
application just before silking. One to three applications may be


Lantern fly


Spray:
Toxaphene wp, 2J lbs. 40%


Dust:
Toxaphene 5%o


Apply aldrin or heptachlor at 2 to 4 lbs. technical or chlordane
at 4 to 5 lbs. technical per acre 2 weeks before planting. Dis-
tribute evenly over the surface and disk into soil to a depth of
6 inches. These materials mixed with fertilizers are generally
less preferable than application by the above method.


CRUCIFERS


Aphid, Serpentine
leaf miner


S-rav:
Parathion wp, 1 lb. 15/
TEPP em, *- pt. 40%


Siar;D:


Dust:
Parathion 2%
TEPP 1%


Dust:


Loner, Diamond- DDT em lqt. 25% DDT 5%
back moth larvae, Toxaphene wp, 2J lbs. 40% Toxaphene 10%
Imported cabbage
wogrg, Cabbage web-
worm, Corn earworm,
Flea beetle
In the Everglades area the imported cabbage worm continues to show resistance to
DDT. It is reported that best control of this species has been with a combination
spray of 1 lb. parathion 15% wp plus 1 lbs. toxaphene 40% wp per 100 gallons, but
toxaphene 40% wp at 24 lbs. per 100 gallons and parathion 15% wp 1 lb. per 100 gallons
have been practically as effective as the combination.


Wireworm


Soil--Fifty lbs. 10% chlordane granular or equiv. per acre, dis-
tributed evenly on the soil surface and disked into the soil.


Wireworm








Mole-cricket


Fertilizer mixture--Mix enough chlordane, wettable or dust, in
fertilizer to supply 4 to 5 Ibs. of active ingredient per acre.
Not so effective as the above treatment,

Bait: 1.5-2% chlordane-wheat bran at rate of 50 lbs. per acre,
Moisten bait and distribute late in the afternoon.
Drenches--For mole cricket control in seedbeds chlordane emul-
sion, 5 oz. 40% or equiv. per 100 gals. water per 1,000 sq. ft.
of area. Drench treatment is not generally used in the Hastingf
area*
Soil--Treatment same as for wireworms.
Fertilizer mixture--Treatment same as for wireworms.


CUCURBITS
(Cantaloupes, Cucumber, Squash and Watermelon)


Dust:


A&hid, Melonworm, Parathion wp, 1 lb. 15% Parathion 1%
Pickleworm, Sernen- Lindane wp, 1 lb. 25% Lindane 1.5%
tine leaf miner,
Squash bum
Begin applications when the first blooms appear, usually before insects or in-
jury become apparent. Repeat at 10-day to 2-week intervals.
To avoid injury to bees which are necessary for pollination, spraying or dusting
with insecticides should be delayed until late afternoon or evening. In the West
Coast area it is suggested that parathion spray be applied early enough that it drys
before dew-fall, reducing possibilities of foliage burn. Do not apply parathion when
plants are wet; do not apply on very young plants.
TEPP, 1 pt. 20% or equivalent per 100 gallons, is a suitable aphicide which
volatilizes very rapidly and leaves no residue problem* this same volatile nature in-
creases the importance of thorough and timely coverage for effective aphid control.
TEPP is not suggested for cucurbits in West Coast area.


Spray:
Cucumber beetle Lindane wp, 1 lb. 25%
Apply when insects appear or injury is noted.
to be troublesome in the Everglades and some Lower


Corn earworm


Dust:
Lindane 1.5%
Cucumber beetles are more.likely
East Coast areas.


Feeding as a rindworm, this insect has been quite troublesome on
watermelons in Central Florida. Parathion applied on the sche-
dule suggested above may give a measure of control. DDT is a
specific control for this insect, but foliage burn and possible
reduced yield has been reported following use of DDT on cucur-
bits.


EGGPLANT


Spray: Dust:
Aphid Parathion wp, 1 lb. 15% Parathion 1%
TEPP em, 1 pt. 20% --
Begin applications when aphids appear; repeat at 10-day to 2-week intervals.
TEPP is a suitable aphicide and miticide which volatilizes very rapidly and
leaves no residue problem; this same volatile nature increases the importance of
thorough and timely coverage for effective control.


S-DraY:




-mU


S-rav: Dust: Bait:
Cutwnrm Toxaphene wp, 21 lbs. 40% Toxaphene 10% Toxaphene 2%
Chlordane wp, 2i Ibs. 40% Chlordane 5% Chlordane 1j-2%
Apply before planting if worms are present or at first signs of worm damage to
young plants. Check field carefully for worms before planting; if worms are found
use bait. A home-made bait can be prepared by thoroughly mixing 3 or 4 pounds of
wettable chlordane or toxaphene with 100 pounds of wheat bran. Moisten slightly just
prior to applying. Best to apply bait in late afternoon.

Spra,: Dust:
Flea beetle DDT wp, 2 lbs. 50% DDT 5%
Begin applications when insects appear; usually most severe on young plants,


Red snider (mite)


Spray:
Parathion wp, 2 Ibs. 15%
TEPP em, 1 pt. 20%


Dust:
Parathion 1%


-- Sulfur, 325 mesh
Begin applications when red spiders appear.
Sulfur does not control some species of mites. Repeated applications of para-
thion or TEPP may be used if sulfur is not effective. A sulfur-parathion dust is alsc
suggested in the West Coast area. See statements on TEPP under aphids.

Spray: Dust:
Thrip DDT em, 1 qt. 25% DUT 5%
DDT wp, 2 lbs. 50 --
Sulfur may be used as the diluent for DDT dust, thus getting a dual-purpose dust.


Leaf miner
Apply when
sufficient.


Snray: Dust:
Parathion wp, 1 lb. 15% Parathion 1%
infestation appears; 1 to 2 applications at 7-day intervals should be


ESCAROLE

Siray: Dust: Bait:
Cutworm Toxaphene wp, 2t lbs. 40% Toxaphene 5% Toxaphene 2%
Chlordane wp, 2U lbs. 40% Chlordane 5% Chlordane 1-2%
Apply when damage is noted. If possible prepare land at least a month before
planting and apply bait or other insecticide a week before seeding or transplanting.
If toxaphene 10% dust is used reduce the amount applied per acre. Toxaphene dust and
spray may injure very young seedlings or newly transplanted escarole.

Wireworm Chlordane 5 Ibs. tech. or actual per acre applied broadcast and
disked into top 2-3" of soil surface is recommended. Chlordane-
fertilizer mixture containing 5 lbs. technical or actual chlor-
dane per acre may be used, but for general purposes the broadcast
method is preferred.
Aldrin (or heptachlor Homestead) at 3 Ibs. technical per acre
may be used in place of chlordane.
Transplant within 48-72 hours after insecticide application.
Direct seeding may immediately follow application.


LETTUCE


Spray;: Dust:
Cutworm Toxaphene wp, 2 Ilbs. 40% Toxaphene 5%
Chlordane wp, 2 lbs. 40% Chlordane 5%
Apply when damage is noted. If possible prepare land at least


Bait:
Toxaphene 2%
Chlordane 1!-2%
a month before




planting and apply bait or other insecticide a week before seeding or transplanting.
If toxaphene 10; dust is used reduce the amount applied per acre. Toxaphene dusts
and sprays may injure young seedlings or newly transplanted lettuce.


Handed cucumber
beetle
Apply when


Spray:
DDT wp, 2 lbs. 50%
Chlordane wp, 21 lbs. 40%
insects or damage are noted.


Dust:
DD 5%
Chlordane 5%


Spray: Dust:
Lvgus iB DDT wp, 2 Ibs. 50% DDT 5%
Chlordane wp, 2g Ibs. 40% Chlordane 5%
Apply when damage is noted. DDT is not recommended in the Homestead area.

Snoray: Dust: Bait:
Mole-cricket Chlordane wp, 2g lbs. 40% Chlordane 5% Chlordane 1J-2%
Apply several days before seeding or transplanting crop if mole cricket tunnels
are evident. Apply bait in late afternoon when soil is moist and warm,


Chlordane 5 lbs. tech. or actual per acre applied broadcast and
disked into top 2-3" of soil surface is recommended. Chlordane-
fertilizer mixture containing 5 lbs, tech, or actual chlordane
per acre may be used, but for general purposes the broadcast
method is preferred.
Aldrin (or heptachlor Homestead) at 3 lbs. technical per acre
may be used in place of chlordane.
Transplant within 48-72 hours after insecticide application.
Direct seeding may immediately follow application.


OKRA


Spra_: Dust:
APhid Parathion wp, 1 Ib. 15% Parathion 1%
TEPP em, 1 pt. 20 --
Begin applications when aphids appear; repeat at 10-day to 2-week intervals.
TEPP is a suitable aphicide which volatilizes very rapidly and leaves no residue
problem; this same volatile nature increases the importance of thorough and timely
coverage for effective aphid control.


Spray:
Okra caterpillar DDT wp, 2
Toxaphene
Apply when infestation or


lbs. 50%
wp, 2U lbs. 40%
leaf injury is first


Dust:
DDT 5%
Toxaphene 10%
noted.


Spra;: Dust:
Serpentine leaf Parathion wp, 1 lb. 15% Parathion 1%
miner Toxaphene wp, 21 Ibs. 40% Toxaphene 10%
Apply when infestation seems general; 1 to 2 applications at 7-day intervals
should be sufficient. Parathion usually considered more effective.


bug PToxaphene wp, 2 lbs. 40%
Parathion wp, 1 lb. 15%
Apply when insects appear.


Dust:
Toxaphene 10%
Parathion 1%


Wireworm




mu-


ONION


Anhid and
Leaf miner


Saray:
Parathion wp, 1 lb, 15%


Dust:
Parathion 1%


Spray:
Thrip Parathion wp, 1 lb. I1
DDT em, 1 qt. 25%
Apply when thrips appear; repeat when
direct nozzles over rows close to plants.
coverage down into sheaths very important.


Spray:


Cutworm


Dust;
;% Parathion 2%
DDT 5%
necessary. Use 250-300
Addition of spreader to


Dust:
--


lbs. pressure and
spray is suggested


Bait:
Toxaphene 2%
Chlordane 1--2%


Apply in late afternoon.


ENGLISH PEA

Spray; Dust:
Aphid Parathion wp, 1 lb. 15% Parathion 1%
Lindane wp, 1 lb. 25% Lindane 1.5%
Begin applications as soon as aphids appear; repeat at 10-day intervals as
needed.
It has been noted that adequate coverage with sprays may be difficult.


SOUTHERN PEA

Spray: Dust:
Pod weevil Toxaphene wp, 2- lbs. 40% Toxaphene 5%
Apply when pods begin to set and repeat weekly for at least three applications--
suggested only if all pods will be shelled or if they are to be washed thoroughly be-
fore marketing,


Spray: Dust:
Serpentine leaf Parathion wp, 1 lb. 15% Parathion
miner Toxaphene wp, 2- lbs. 40% Toxaphene
Apply when infestations seem general; 1 to 2 applications
should be sufficient.


Stink bug Toxaphene
Chlordane
Parathion
Apply when insects appear,
pods begin to set.


1%
a10
at 7-day intervals


Dus:i
wp, 2; lbs, 40% Toxaphene 10%
wp, 2g Ibs. 40% Chlordane 5%
wp, 1 lb. 15% Parathion 1%
Especially important to insure low population when


Snrriv: -


Dust:


Leaf-hopqer and DDB wp, 2 lbs. 50% DDT 5%
Leaf-roller
Apply at first signs of leaf-hoppers, 1 to 3 applications at 10-day intervals,
last treatment just before blooming.
In Everglades and Lower East Coast areas leaf-hoppers most severe in spring
during warm dry periods; in Central and Northern Florida most prevalent in the fall.
Young plants suffer most,
One treatment should be sufficient for leaf-rollers. Wait for fairly heavy pop-


5e




ulation before applying insecticide. Dust borders of large field with airplane.
Usually not necessary to treat whole field unless small or infestation severe.


Lesser cornstalk
borer


In the Everglades area use aldrin at 1 pound technical per acre;
spray in 100 gallons water; use wetting agent or detergent in
spray water to help wet soil and webbing; apply before cultiva-
tion that throws soil to base of plants. In West Coast area DDT
or chlordane at li lbs. actual material per acre as a spray or
dust is recommended at the time young plants break through the
ground.


PEPPER


Srav: ThsDut:
A.hid Parathion wp, 1 lb. 15% Parathion 1%
DDT em, 1 qt. 25% -
Apply parathion when a-hids are discovered and repeat at weekly intervals or as
needed. A regular schedule using DDT emulsion usually holds aphids under control,
but is not effective against established infestations.
Aphids may transmit certain viruses which cause mosaic diseases.


Corn earworm
Reported


S-ray: Dust:
DDT em, 1 qt. 25% DDT 5
to be a major pest in the West Coast area.


Fall armvworm
Apply when
tinues,


S-ray:
DDT em,
worms appear


1 qt. 25%
and at intervals


Dust:
DDT 5%
of about 10 days if infestation con.


S-rav: Dust:
Penner weevil DDT em, 1 qt. 25% DT 5%
Apply when infestation becomes evident. Watch for fallen blossom buds and small
fruits as indications of infestations.

sray: Dust:
Thri-o DDT em, 1 qt. 25% DD 5%
Apply when thrips are noted in blooms; repeat with 1 to 3 ap-lications at 7-day
intervals. Attempt thorough coverage just before blooming.
Nicotine sulfate emulsion, 1 pt. 40%, or a nicotine 3% dust, gives flower thrip
control and is suggested for use in the West Coast area; nicotine is not effective in
cool weather (below 600 F.) and should be applied when the air is calm.

S2pra=: Dust: Bait:
Mole-cricket Chlordane wp, 2 lbs. 40% Chlordane 5% Chlordane 1-2%
Apply several days before seeding or transplanting crop if mole cricket tunnels
are evident. Apply bait in late afternoon when soil is moist and warm.
For seedbeds use poison bait or drench with solution of 1 lb. actual chlordane
in 100 gallons water in sprinkling can to 1,000 sq. ft. of seedbed area.


Soray:


Cutworm


Das t:


Apply in late afternoon.


Bait:
Toxaphene
Chlordane




IRISH POTATO


Suray:
DDT em, 1 qt. 251%
Parathion wp, 1 lb. 15%
TEPP em, j pt. 40%


Armvworm, Cutworm


Spray:
DDT em, 1 qt.
Chlordane em,
Toxaphene em,


25%0
1 pt. 75%
1 pt. 70%


histet

Parathion 1%
TEPP 1%


Dust:

Chlordane 5%


Bait:
Toxaphene 2%
(cutworm)


Colorado potato
beetle


SDray:
DDT em, 1 qt. 25%


S-pray:
Chlordane em, 1 pt. 75%


Spray:
Parathion wp, 1 lb. 15%
EPN wp j lb. 27% (Homestead)


Dust:
Chlordane 5%


Duast:
Parathion 1%


Wireworm Chlordane at 4 lbs. or aldrin at 3 Ibs, active ingredient (or 3
lbs. hentachlor Homestead) per acre sprayed on the soil surface
and disked in prior to planting,
For the Hastings area DDT emulsion applied in a regular schedule at intervals of
10 days to 2 weeks will control most potato insect pests, including aphids. Thus,
where leaf miners, stink bugs, other plant bugs and armyworms are not a problem, DDT
emulsion alone is a satisfactory potato insecticide for this area. It is not felt
that TEPP is necessary for insect control in the Hastings area.
In the Homestead area parathion applied in a regular schedule of 7 to 10 days
has controlled potato insects.
Aldrin has not been adequately tested in the Hastings area in 1953.


SMMVIlT POTATO


Spray;
DDT wp, 2 Ibs. 50%
Toxaphene wp, 2j lbs. 40%


S pray:
DDT vp, 2 lIbs. 50%


Sray:
Leaf-eating DDT wp, 2 lbs. 50%
caterpillar Chlordane wp, 2 lbs. 40
Toxaphene wp, 2I lbs. 40%
Begin applications when insects appear; 1


Dust:
DDT 5%
Toxaphene 10(


Dust
DM? 5%


Dust:
DDT 5%
Chlordane 5%
Toxaphene 10%
to 2 applications usually sufficient.


Sweet -otato weevil Sanitation, Use certified or weevil-free seed.


Aphid


Dust:
DDT 5%


Large plant ger


Leaf miner


Armvworm


Gold bu1





White-fringed beetle


Adherence to quarantine. It has been reported that 5 lbs. tech-
nical DDT per acre, mixed into soil, prevents breeding of this
insect for 5 years.


RADISH, TURNIP and MUSTARD

Spraog: Dust:
Adbid TEPP em, 1 pt. 20 --
TEPP is a suitable aphicide which volatilizes very rapidly and leaves no residue
problem; this same volatile nature increases the importance of thorough and timely
coverage for effective aphid control.


Dust:


Bait:
Toxaphene
Chlordane


-2
l -2


SrayI:
Mole-cricket -
Apply before seeding.


Dust:


Bait:
Chlordane li-2%


(In the West Coast area, if there is no residue problem, DDT is suggested to con-
trol cutworm, wooly bear, and cabbage looper and parathion for aphid control.)


SPINACH


S-prayi
Caterpillar and TDE (DDD) wp, 2 lbs. 50%
other chewing -
insects -
Apply when insects or injuries appear.


Dust:
TIE (UDD) 5%
Rotenone 34%
Pyrethrum 1K


STRAWBFBRRY


S ray: Dust:
Flower thrin Nicotine sulfate em, 1 pt. 40% Nicotine 3%
Nicotine is not effective in cool weather (below 60 F.) and should be applied
when the air is calm.


SDra3r:
Pamera, Flea beetle, Chlordane
Leaf roller, Cutworm,DDT wp, 2
Lesser cornstalk
borer


wp, 2g Ibs. 40%
Ibs. 50%


Dust;
Chlordane 5%
DBT 5%


Apply when insects are first noted. Do not use DDT when plants are blooming.

Spray: Dust:
Red snider Sulfur wp, 10 lbs, Sulfur 325 mesh
Apply when mites appear; usually more likely to cause severe injury during
periods of dry weather. Main point to consider is to get adequate coverage on under
side of leaves.


Mole-cricket, Field
cricket, Grasshoo-
per


Shoray
Chlordane wp, 24 Ibs. 40%


Dust:
Cblordane 5%


Bait:
Chlordane 1-6


For field crickets and grasshoppers apply when insects are present or plants are


Cutworm


De




being injured.
Chlordane dusts and baits are most effective when the soil is moist. If it is
necessary to treat in dry weather, irrigate after application of spray and dust, but
before applying bait. Treat for mole crickets several days before transplanting.
Apply bait in late afternoon during warm weather.


TOMATO


Southern armyworm,
Tomato fruitworm,
Fall armyworm and
Banded cucumber
beetle


Spray:
DDT wp, 2 Ibs. 50%
TDE wp, 2 Ibs. 50%
Chlordane wp, 2 lbs. 50%


Dust:

TD a 5%
Chlordane 5%


Sapry:
Cutworm DDT wp, 2 lbs. 50o
TD3 wp, 2 lbs. 50O
Chlordane wp, 2 lbs. 50%
For the control of soil-infesting cutworms
spray or dust should be distributed evenly over
moistened and distributed in late afternoons.


Dust:
DDT 5%
TDE 57
Chlordane 5%
and mole crickets
the soil surface.


Bait:
2-P2 Chlordane-
wheat bran (30-,
50 lbs.per acre)
the insecticidal
Baits should be


Serpentine leaf
miner and Aphid


Spray:
Parathion wp, 1 lb. 15%
Lindane wp, 1 lb. 25%


Dust:
Parathion 1%
Lindane 1%


Spray:
Field cricket Chlordane wp, 2 Ibs. 50%



iSpray:
2ole cricket Chlordane wp, 4 lbs. 50%


For the control of soil-infesting cutworms
spray or dust should be distributed evenly over
moistened and distributed in late afternoons.


Dust:
Chlordane 5%



Dust: :
Chlordane 5%


and mole crickets
the soil surface.


Bait:
2-2=L Chlordane-
wheat bran (30-
50 lbs.per acre)

Bait:
2-a Chlordane-
wheat bran (30-
50 Ibs.per acre)
the insecticidal
Baits should be


Tomato hornworm



Stink bu and
Leaf-footed bug


Spray:
Parathion wp, 1 lb. 15%
TDE wp, 2 lbs. 50%

Spray;
Parathion wp, 1 lb. 15%
TDE wp, 2 lbs. 50%
Chlordane wp, 2 lbs. 50%


Dust:
Parathion 1%
TE 5%

Dust:
Parathion 1%
TD 5%
Chlordane 5%


Spray:
Flower thrip DDT wp, 2 lbs. 50%
Treat only if population is large.


Dust:
DDT 5


Apply 5 pounds of chlordane technical per acre 10 to 14 days
before planting. Distribute material evenly over the soil
surface and disk well into soil. The same amount of chlordane


Wireworm





-13-

may be added with fertilizer, but results are generally less
satisfactory.




Very truly yours,



F. S JAMISON
Vegetable Crop Specialist

FEM: ehl
250 cc




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