Fall Application of Prodiamine for Spring Crabgrass (<i>Digitaria</i>spp.) Control

Fermanian, Thomas W.; Haley, Jean E.

doi:10.1017/s0890037x00039774

Cited by 4 publications

(4 citation statements)

References 5 publications

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“…Previously, several researchers found prodiamine rates of 0.5 to 2 lb/acre highly effective on large crabgrass (Bhowmik 1988;Bhowmik and Bingam 1990;Duray and Davies 1987;Enache and Unicki 1987;Fermanian and Haley 1994;Fretz and Sheppard 1980). In Alabama, USA, Wehtje et al (2010) reported $ 95% control of large crabgrass 6 weeks after prodiamine application at 0.7 lb/acre.…”

Section: Weed Controlmentioning

confidence: 99%

Ornamental Plant and Weed Response to Oxyfluorfen Plus Prodiamine

Aulakh,

Witcher,

Kumar

2024

hortte

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Ornamental plant and weed response to oxyfluorfen + prodiamine herbicide was evaluated in Connecticut and Tennessee, USA, in 2017 and 2018. Preemergence application of oxyfluorfen + prodiamine was made at 0 lb/acre, 2 + 0.75 lb/acre, 4 + 1.5 lb/acre, and 8 + 3 lb/acre to container-grown ornamental plants on an outdoor gravel pad and weeds in greenhouse experiments. Ornamental plants were treated first within a week after transplanting and again 6 weeks after the first treatment. Asiatic jasmine (Trachelospermum asiaticum), candlestick plant (Senna alata), and English ivy (Hedera helix) in Tennessee, USA; and ‘Blue Flag’ iris (Iris sp.), ‘Firecracker’ gladiolus (Gladiolus sp.), and ‘Green Carpet’ Japanese pachysandra (Pachysandra terminalis) in Connecticut, USA, were not injured with oxyfluorfen + prodiamine regardless of rate applied. Lily-of-the-Nile (Agapanthus africanus) in Tennessee, USA, and ‘Bowles’ periwinkle (Vinca minor) in Connecticut, USA, showed minor but commercially acceptable growth reduction with oxyfluorfen + prodiamine up to 4 + 1.5 lb/acre. Shasta daisy (Leucanthemum ×superbum) in Connecticut, USA, was the most sensitive ornamental plant. After the first application, average necrotic injury to Shasta daisy varied from 24% with 2 + 0.75 lb/acre to 31% with 8 + 3 lb/acre of oxyfluorfen + prodiamine. After the second application, necrotic injury was ≤ 5% with all oxyfluorfen + prodiamine rates tested and was commercially acceptable (≤ 20%). Oxyfluorfen + prodiamine reduced densities of creeping woodsorrel (Oxalis corniculata), hairy bittercress (Cardamine hirsuta), giant foxtail (Setaria faberi), and large crabgrass (Digitaria sanguinalis) ≥ 80% by 4 weeks after treatment. The fresh weed biomass 6 weeks after treatment indicated an 88% to 99% reduction compared with the untreated control.

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Section: Weed Controlmentioning

confidence: 99%

Ornamental Plant and Weed Response to Oxyfluorfen Plus Prodiamine

Aulakh,

Witcher,

Kumar

2024

hortte

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“…The few studies that directly compared spring and autumn applications in the northern U.S. were conducted in USDA Hardiness Zone 5 (research presented herein was in Zone 7). These studies determined pendimethalin, dithiopyr, and prodiamine were sometimes less effective when applied in November than in the spring (Fermanian & Haley, 1994; Reicher & Throssell, 1993; Reicher et al., 2011). More conclusively, Reicher, Sousek, and Gaussion (2014) found single applications of dithiopyr, prodiamine, and pendimethalin were less effective when applied in fall or late winter compared with the spring in Nebraska.…”

Section: Introductionmentioning

confidence: 99%

Preemergence herbicides applied in February are less effective than herbicides applied in April for smooth crabgrass control in New Jersey

Elmore

Tuck

2020

Crop Forage & Turfgrass Mgmt

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“…Turf managers routinely use it to control annual grasses on mature turfs. Previous evaluations of prodiamine have indicated a long soil persistence and high activity on susceptible species (4,5,12,14). This long persistence raises the question of prodiamine's effect on juvenile or newly established turf.…”

Section: Introductionmentioning

confidence: 99%

Application of Prodiamine to Immature Turfs

Fermanian

Haley

1994

Weed technol.

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Turf managers use prodiamine to control annual grasses in mature turfs. Earlier, evaluations of prodiamine have indicated it has an elevated soil persistence and high activity on susceptible species. This persistence raises concern for prodiamine's effect on juvenile turf. An experiment was established to evaluate the effect of prodiamine on juvenile Kentucky bluegrass turf. Significant loss of quality occurred on turf less than one year old receiving a single application of prodiamine at ≥ 1.4 kg/ha. Split applications of prodiamine did not significantly decrease turf quality. Prodiamine at 0.8 and 2.2 kg ai/ha and DCPA at 23.5 kg ai/ha, applied in the fall the previous three years, significantly reduced the number of overseeded Kentucky bluegrass seedlings two years after planting. In a subsequent study, prodiamine at ≥ 0.8 kg/ha and DCPA at 23.5 kg/ha applied once the previous fall significantly reduced the number of overseeded Kentucky bluegrass dlings 56 d after planting. An analysis of prodiamine rate versus seedling density was found to be significantly correlated (r2 = 0.79).

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Fall Application of Prodiamine for Spring Crabgrass (Digitariaspp.) Control

Cited by 4 publications

References 5 publications

Ornamental Plant and Weed Response to Oxyfluorfen Plus Prodiamine

Ornamental Plant and Weed Response to Oxyfluorfen Plus Prodiamine

Preemergence herbicides applied in February are less effective than herbicides applied in April for smooth crabgrass control in New Jersey

Application of Prodiamine to Immature Turfs

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