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Saturday, July 25, 2020 | History

2 edition of Influence of fonofos insecticide on EPTC injury to corn (Zea mays) found in the catalog.

Influence of fonofos insecticide on EPTC injury to corn (Zea mays)

Edward Stebinger

Influence of fonofos insecticide on EPTC injury to corn (Zea mays)

by Edward Stebinger

  • 31 Want to read
  • 20 Currently reading

Published .
Written in English

    Subjects:
  • Corn.

  • Edition Notes

    Statementby Edward Stebinger.
    The Physical Object
    Pagination[6], 45 leaves, bound ;
    Number of Pages45
    ID Numbers
    Open LibraryOL14229159M

    Insecticide repellency was evaluated in soil bioassays (24 h) and in Petri dish bioassays (30 min) in the presence and absence of volatile corn seedling semiochemicals. Only fonofos was repellent, but the attractiveness of corn seedling semiochemicals overcame that repellency. injury as a result of a clogged in-furrow insecticide appli-cator. Regardless of cause, affected plants should be dug up to identify any pests that may be present and to docu-ment feeding injury to the seed, growing point or roots. Even if rescue treatments donot exist for the particular pest at hand, knowledge of pest history in a given field.

    Diagnosing Herbicide Injury in Corn 6 Behavior in Plants: Paraquat does not move within the plant and only acts on tissue it contacts. Symptoms: Paraquat causes rapid leaf burning on all species present at the time of application. Paraquat injury can be confused with injury caused by cell membrane disruptors or glufosinate. Injury symptoms of. Title: untitled Created Date: 7/15/ PM.

    PBO-8 ® Synergist helps synergize the insecticide in Diacon ® IGR PLUS for extended storage and in Centynal ™ EC Insecticide for the short-term, rescue applications. PBO-8 ® Synergist boosts control, keeping those tough-to-manage insect infestations at bay to protect the corn. Corn Rootworm: Adults & Larvae Insects That Feed on Corn Ears, NebGuide This NebGuide discusses how to identify mature and immature insects that infest and damage ears of corn. Insecticide Recommendations for Corn Rootworms. Left to Right: western, northern, and southern corn .


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Influence of fonofos insecticide on EPTC injury to corn (Zea mays) by Edward Stebinger Download PDF EPUB FB2

Resulted from the use of EPIC (S-ethyl dipropylthiocarbamate) in corn, particularly when the insecticide fonofos was co-applied. Field and greenhouse studies were conducted to determine the influence of the insecticide fonofos (0-ethyl S-phenyl ethylphosphonodithioate) on EPTC injury to 'Golden Jubilee' sweet corn.

EPIC was applied with and. Influence of fonofos insecticide on EPTC injury to corn (Zea mays) Public Deposited. Analytics × Add Author: Edward Stebinger. Influence of fonofos insecticide on EPTC injury to corn (Zea mays) By.

Abstract. Graduation date: Differences in success ratios (Yes:No, whether root ratings were maintained below the economic injury level) of corn rootworm insecticide rates were analyzed at state and regional levels.

The following insecticide rate comparisons were carried out: versus 1X rate and versus 1X for chlorpyrifos, fonofos, phorate, tefluthrin, terbufos Cited by:   Recovery of the corn plants was related to the location of BCW injury on the plant, the method of insecticide application, and the type of insecticide used.

Leaf feeding by BCW did not influence yield, but whorl feeding decreased yield by % compared with yields obtained from undamaged by: 3. EPTC or butylate injury to corn seedling. This may occur if herbicide without safener is applied or if emergence is delayed due to cool, wet soils.

(Picture courtesy of Purdue University Extension. Field and laboratory studies were conducted to examine the influence of continuous use and rotation of extenders on EPTC persistence in soils from Clay Center and Scottsbluff, Nebraska, USA.

Rotation of EPTC + dietholate and EPTC + the insecticide fonofos in soils with 3 prior annual treatments of each combination did not improve weed control compared to continuous use. The response of 18 cultivars of sweet corn (Zea mays L.) to preseeding, soil incorporated applications of Eradicane [combination of EPTC (S-ethyl dipropylthiocarbamate) and R (N,N-dially, 2-dichloroacetamide) as antidote] and kg/ha, Surpass [a combination of vernolate (S-propyl dipropylthiocarbamate) and R] kg/ha.

In particular, if corn has received turbofos at planting, applying ALS-inhibiting herbicides can result in moderate to severe injury.

Behavior in Plants: ALS-inhibiting herbicides must be rapidly broken down within the plant, or the corn will sustain injury. Therefore, the presence of turbofos (or other organophosphate insecticides) can slow. In a 3-year study carried out in Nebraska between andmaize planting dates were found to influence significantly the level of control provided by soil insecticides (granular preparations containing 10% carbofuran, 14% diazinon, 15% fensulfothion and 15% phorate) applied at the time of planting against larvae of Diabrotica virgifera Lec.

and D. longicornis (Say). herbicide and insecticide varies among OP insecticides. Counter® is considered to be the highest risk OP insecticide due to greater translocation and distribution within the corn plant.

Crop injury symptoms resulting from the interaction of OP insecticides and herbicides include chlorosis in the corn. When an insecticide or herbicide is present within the plant, the plant is usually able to metabolize the compound before it may cause any deleterious effects.

However, if both insecticide and herbicide are present, the metabolism pathway cannot effectively metabolize both compounds. When this happens, corn injury can result. Managing Insect Pests in Organically Certified Field Corn Organic production of field corn must rely upon three basic strategies for insect management: • Keeping pest populations below threshold levels.

• Making the crop unattractive as possible to invading pests. • Keeping the crop optimally competitive and tolerant of insects as possible. Several species of cutworms attack corn, but the injury to corn is similar; that is, plants are cut down at the soil line. Damage in most fields may be prevented by early seedbed preparation to allow natural control of the worms.

An insecticide application to the row when damage is first noticed will provide control. (See Table 4). Sugar Cane. Fonofos (O-ethyl S-phenyl ethylphosphonodithioate), first registered for use with the U.S.

Environmental Protection Agency (EPA) inis an organophosphate insecticide applied to soil to protect mainly corn but also sugarcane, peanuts, tobacco, and several other crops from various types of worms (U.S. EPA ).Fonofos has no residential uses. Inthe registrant of fonofos voluntarily.

Carbaryl is a carbamate insecticide with a broad spectrum of uses in agricultural, commercial and household settings. It has previously been linked with non-Hodgkin lymphoma (NHL) but studies of. Corn Earworm Pg.8 Spider Mites Pg Occasional Winter/Spring Summer Fall/Winter Black Cutworm Pg.2 Chinch Bug Pg.2 European Corn Borer Pg.2 Southwestern Corn Borer Pg.2 Seed Corn Beetle Pg.4 Pg.4 Southern Corn Leaf Beetle Pg.4 Western Bean Cutworm Pg.6 White Grub Pg.6 Wireworms Pg.6 Billbug Pg.7 Corn Flea Beetle Pg.8 Corn Leaf Aphid Pg.8 Fall.

The Influence of Terbufos on Primisulfuron Absorption and Fate in Corn (Zea mays). Weed Science41 (4), DOI: /S Rina Varsano, B. Rubin. Increased herbicidal activity of triazine herbicides by piperonyl butoxide. The OP insecticides diazinon, parathion, and methomyl are not likely to result in corn injury when applied prior to or with nicosulfuron or primisulfuron.

Tolerance of crops to herbicides is most commonly based on rapid herbicide metabolism and certain insecticides can decrease the rate of herbicide metabolism. 2,4-D injury Photos U. of MN dicamba injury imidazoline injury Photo U.

of MN glyphosate injury Photos P. Westra Herbicide injury symptoms and causes by mode of action and chemical family glufosinate injury Photo P. Westra Growth regulators Phenoxy acids Example: 2,4-D Injury Symptoms Injury Cause • Rolled leaves • Applied to rapidly. corn farmers, in addition to identifying areas in need of more research.

Through the growing season, 27 corn fields had been enrolled in the CGSRVP, with economic information collected on each CGSRVP field to estimate crop expenditures and returns.Chemical insecticides and entomopathogenic nematodes have been independently used to suppress corn rootworm damage in maize.

We report on the mortality response of larvae of the western corn rootworm, Diabrotica virgifera virgifera LeConte, to the combined treatment with 1 of 3 insecticides (terbufos, fonofos, and tefluthrin) and the.Seed and At-Planting Insecticide Treatments: Almost all seed corn comes treated with insecticide.

These insecticides will control or suppress a number of s eed and seedling insect pests. Insecticide seed treatments, specifically clothianidin (e.g., Poncho) and thiamethoxam (e.g., Cruiser), have largely replaced the use of in-furrow.