Insecticide Hormoligosis1

Luckey, T. D.

doi:10.1093/jee/61.1.7

Cited by 175 publications

(103 citation statements)

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“…This hypothesis warrants further investigation; however, reduced pathogen transmission by D. citri caused by sublethal insecticide exposure has been demonstrated previously (Boina et al 2011). Exposure to sublethal insecticide concentrations is known to cause physiological changes that reduce development and fecundity and lead to an overall fitness decline in certain insect species (Harnoto et al 1984;Luckey 1968;Omer and Leigh 1995;Stark and Banks 2003). In general, exposure of hemipteran species to sublethal insecticide concentrations reduces feeding, growth, survival, and reproduction (Kerns and Stewart 2000;Lee et al 1988;Nauen et al 1998).…”

Section: Discussionmentioning

confidence: 99%

Susceptibility of Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae), to the insecticide afidopyropen: a new and potent modulator of insect transient receptor potential channels

2018

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A relatively new insecticide chemistry for controlling sucking insects, afidopyropen, was investigated for toxicity against Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae). We evaluated the mortality of D. citri eggs, nymphs, and adults treated with afidopyropen using both laboratory-reared and field populations. We also quantified the effects of sublethal doses of afidopyropen on D. citri feeding, host choice selection, and fecundity. For laboratory susceptible adults, the contact LC 50 , topical application LD 50 , and leaf dip LC 50 were 2.13, 2.00, and 3.08 ng/µL, respectively. For adults collected from a commercially managed citrus grove in Florida, the contact LC 50 , topical application LD 50 , and leaf dip LC 50 were 1.37, 1.92, and 4.89 ng/µL, respectively. Egg hatch was significantly reduced following exposure to afidopyropen at 100 ng/µL. Furthermore, afidopyropen reduced D. citri nymph survival and adult emergence at concentrations ranging between 0.01 and 100 ng/µL. Diaphorina citri adult feeding decreased on citrus leaves treated with afidopyropen in a concentration-dependent manner as measured indirectly by honeydew excretion, and appeared almost completely inhibited after treatment with 10 and 100 ng/µL solutions of afidopyropen. In choice tests, significantly fewer D. citri adults settled on afidopyropen-treated plants than on control plants at 24, 48, and 72 h after release, with no differences in settling between males and females. Afidopyropen reduced the fecundity of D. citri in a concentration-dependent manner. Collectively, the results suggest that afidopyropen could contribute to the integrated management of D. citri and may therefore be useful in rotational programs to improve resistance management.

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Section: Discussionmentioning

confidence: 99%

Susceptibility of Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae), to the insecticide afidopyropen: a new and potent modulator of insect transient receptor potential channels

2018

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“…However, G. pallens females that survived glyphosate and methomyl treatments laid more viable eggs (Yokoyama and Pritchard, 1984) and G. punctipes females laid more viable eggs after exposure to bentanzon and acifluorfen than those on untreated plants (Farlow and Pitre, 1983). This increase on egg deposition by G. punctipes after exposure to herbicides may represent hormesis (Luckey, 1968). Table 2 -Reproductive parameters and longevity of Podisus nigrispinus (Heteroptera: Pentatomidae) females submitted to topical application of sublethal doses of gammacyhalothrin at 26 o C, relative humidity of 60+10%, and photoperiod of L:D 12:12.…”

Section: Sublethal Effects On Development and Survival Of The Immaturmentioning

confidence: 99%

Age-dependent fecundity of Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) with sublethal doses of gammacyhalothrin

Pereira

Ramalho

Bandeira

et al. 2009

Braz. arch. biol. technol.

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“…Drs. E. McCoy and P. Wilson, Department of Bacteriology, helped to monitor my germ-free chicks (Luckey, 1969). They became so interested, they asked me to teach my methods to their student, Barbara Lakey, for her master's thesis.…”

Section: B Vitaminsmentioning

confidence: 99%

“…This was performed during a sabbatical leave (supported by a Commonwealth Fellowship, 1961-62) in the Biochemistry Department of Dr. Marcel Florkin, University of Liege, Belgium. (7) Dietary insecticides increase growth rates in insects (Luckey, 1968). This was my most popular paper; several hundred reprints were requested.…”

Section: Hormesismentioning

confidence: 99%

Sir Samurai T. D. Luckey, PhD

Luckey¹

2007

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It was a new hospital, and my father, Dr. Frank Seymour Luckey, physician, surgeon and rancher, was a founding director. Dad was taciturn, very knowledgeable, and the strongest man I ever knew. During my birth, my mother, Lily Waggener Luckey, had a near-death experience. She was ill for several months following my birth and my Aunt Floti Waggener took care of me during this time. Although we always had enough to eat, mother worked and acted as if we lived in poverty. I was the youngest of five with three sisters and one brother. We lived at 415 So. Beech St. My B average shattered my siblings' haloes of academic achievement through high school. I played basketball, clarinet (poorly), sang in choirs and musical productions, and, in 1933-34, was president of my 300 member freshman class at Natrona County High School. Summers were spent on our ranch. Our ranch was about 60 miles north of Casper, about halfway between two famous spots in Wyoming: Kay Cee of the famous Johnson County range war in 1892, and the Hole-In-The-Wall, the only breech in a 30 mile red cliff through which "outlaws" escaped from the more settled country onto our range. The ranch consisted of about ten family/friends' homesteads of 640 acres each which controlled about 20 square miles of range on both sides of Murphy Creek. We eventually had about 500 cattle (5-8 were milked), about 150 horses (about 20 were used for work and riding), and 1-2000 sheep. The ranch provided a practical education in biology. I worked hard (half-days from 7 years old and full time from 11), mostly in hay fields, and became a good rider. I was not a cowboy, never had chaps, boots or spurs. Without radio, electricity, telephone, TV, or books, a boy had to do something. My hobby was snakes. I knew every part of Ditmar's (1931) encyclopedic volume on snakes. When I was about 11, "milking" rattlesnakes and collecting dried venom was a preamble to becoming a biochemist. When the ranch went bankrupt in the summer of 1935, I became foreman with one hired hand, a cook and a few remaining animals. I

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Insecticide Hormoligosis1

Cited by 175 publications

References 0 publications

Susceptibility of Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae), to the insecticide afidopyropen: a new and potent modulator of insect transient receptor potential channels

Susceptibility of Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae), to the insecticide afidopyropen: a new and potent modulator of insect transient receptor potential channels

Age-dependent fecundity of Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) with sublethal doses of gammacyhalothrin

Sir Samurai T. D. Luckey, PhD

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