Results 171 to 180 of about 4,900 (213)

A plant immune receptor mediates tritrophic interactions by linking caterpillar detection to predator recruitment

Palacios NG, Grof-Tisza P, Behnken B, Arce CM, Wu D, Chaparro AF, Schmelz EA, Turlings TC, Benrey B, Steinbrenner AD.   +9 more
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Beet armyworm (Spodoptera exigua) resistance to spinosad

Pest Management Science, 2000
Susceptibility to spinosad (Success®/Tracer®) of beet armyworm (Spodoptera exigua) from the southern USA and Southeast Asia was determined through exposure of second- and third-instar larvae to dipped cotton leaves. LC50 estimates of susceptibility of second- and third-instar larvae of field populations ranged from 0.279 to 6.14 and 0.589 to 14.0 mg ...
John K Moulton, David A Pepper, Timothy J Dennehy   +2 more
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Beet Armyworm Control, 1988

Insecticide and Acaricide Tests, 1989
Abstract Tests were conducted at 2 locations against beet armyworm in nonirrigated cotton planted 15 May on heavy clay soil at the USDA Mechanization Farm, Stoneville, Miss. Plots were 8 rows (40-inch centers) by 50 ft, separated by 15-ft alleys.
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Beet Armyworm Suppression on Celery, 1984

Insecticide and Acaricide Tests, 1985
Abstract Celery was transplanted on 4 Aug into 9 inch greenhouse pots. On 24 Aug, when plants were ca. 16 inches in heiglit, 10 third-stage beet armyworm larvae from a laboratory colony were placed on each of 4 plants/application rate, and allowed to acclimate for ca. 1 h.
Ken S. Goh, John T. Trumble
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CRYOPRESERVATION OF THE BEET ARMYWORM EGGS*

Insect Science, 2001
Abstract A protocol for cryopreservation of the eggs of beet armyworm Spodoptera exigua (Lepidoptera: Noctuidae) in liquid nitrogen was established after examining the effects of a number of factors on the survival of the eggs during various stages of cryopreservation. Over 95% of eggs incubated at 271) for 33 h were permeabilized and about 60% of them
LI Guang‐hong, PANG Yi, CHEN Qi‐jin, SU Zhi‐jian   +3 more
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Control of Beet Armyworm Larvae, 1987:

Insecticide and Acaricide Tests, 1989
Abstract ‘Early Round Dutch’ variety cabbage was direct seeded in single-row beds with 40-inch centers in a Willacy fine sandy loam soil at the Texas Agricultural Experiment Station, Weslaco, Tex. Plots measured 55 ft by 2 rows and were bordered by 1 row of grain sorghum.
D. A. East, J. V. Edelson
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Armyworm Control on Sugar Beets, 1983

Insecticide and Acaricide Tests, 1984
Abstract Plots (0.01 acre) were located on a grower’s field near Nampa, Idaho. Treatments were arranged in a randomized complete block design with four replicates. Sprays were applied on 15 Oct. with a CO2 pressurized backpack sprayer at a rate of 50 gal/acre and 30 lb/in .
Craig Baird, Jackie Blackmer, Guy Bishop
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Bendiocarb Screening Against Beet Armyworm, 1987

Insecticide and Acaricide Tests, 1988
Abstract Test insects were reared on artificial diet in a laboratory colony to third and fourth instars. To assess contact toxicity, larvae were placed in Petri dishes, sprayed with their respective treatment dilutions using a hand-held atomizer, then transferred to individual 1-oz creamer cups containing fresh diet and sealed with paper-
D. Warkentin, M. Harris, J. Begley
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