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| Web URL(s): | https://academic.oup.com/amt/article/24/1/G9/206342/FALL-ARMYWORM-CONTROL-ON-A-BENTGRASS-GREEN-TEXAS
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
Notes: Guide Page |
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| Publication Type:
| Report |
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| Author(s): | Reinert, James A.;
Maranz, S. J.;
Engelke, M. C. |
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| Author Affiliation: | Texas A&M University Research and Extension Center, Dallas, TX |
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| Title: | Fall armyworm control on a bentgrass green, Texas, 1997 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 24, 1999, p. 333. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Spodoptera frugiperda; Pest control; Insecticides; Insecticide evaluation; Comparisons; Insect control; Golf greens; Golf courses; Deltamethrin; Acephate; Application rates; Pest density
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| Abstract/Contents: | "Insecticides were applied on 17 Oct 1997 to an experimental bentgrass green at the Texas A&M University Research & Extension Center at Dallas, TX for fall armyworm larval control. The infested turf was divided into 1 x 1 m plots with a 30 cm wide buffer zone left between plots to limit interaction between treatments. Each plot was artificially infested with 20 larvae (3rd to 5th instar representing the size range available). Larvae were placed on the turf near the center of each plot and allowed to burrow into the turf. Larvae that failed to burrow-in initially were reintroduced near the center of the respective plots. The test area was covered with bird-netting to prevent bird predation and larvae were allowed to establish for 1 d. Plots were assigned to four blocks in a RCB design. Liquid formulations were mixed in 0.4 liter of water per plot and sprayed while granular materials were dispensed with a hand shaker and washed into the turf with approximately 4 liters of water per plot. At 3 DAT, larvae were flushed from the turf with 0.8 ml of Kicker^D]T^D]M (pyrethrum + piperonyl butoxide) + 0.8 ml of Silwet^D]T^D]M (an organosilicon wetting agent) per liter of water drenched over 4 ft² of turf in the center of each plot. Each pyrethrin flush was immediately followed with an additional liter of water drenched over the sample area. All larvae that surfaced within 10 min were counted and removed. Each treatment provided significant control compared with the untreated check, which yielded a mean sample of 5.75 larvae per 4 ft² or 77% of the introduced population. Deltamethirn treatments provided better than 83% control, regardless of the formulation or rate used. The 75%SC formulations of acephate provided significantly better control than the 15%G treatment. A probable explaination for the difference in control from the two formulations of acephate applied at the same rate was the lack of uniform coverage possible with rather large and high percentage (15%) granule. A lower percentage granule should provide more uniform distribution for better coverage and control. No phytotoxicity was observed due to any of the treatments. However, a greening response was visible due to the fertilizer carried for the deltamthrin 0.1%G." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reinert, J. A., S. J. Maranz, and M. C. Engelke. 1999. Fall armyworm control on a bentgrass green, Texas, 1997. Arthropod Manage. Tests. 24:p. 333. |
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| Web URL(s):
https://academic.oup.com/amt/article/24/1/G9/206342/FALL-ARMYWORM-CONTROL-ON-A-BENTGRASS-GREEN-TEXAS
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
Notes: Guide Page |
| 
MSU catalog number: SB 951 .A1 I48 |
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