Evaluation of Flight Control TM and Mesurol® as Repellents to Reduce Horned Lark ( Eremophila alpestris ) Damage to Lettuce Seedlings

We conducted enclosure trials near Huron, CA in the San Joaquin Valley from 12 to 23 January 1999 to determine the efficacy of Flight Control™ (50% anthraquinone) and Mesurol® (75% methiocarb) in preventing horned lark damage to lettuce seedlings. Flight Control™ (FC) and Mesurol® were evaluated as...

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Bibliographic Details
Main Authors: York, Darryl L., Cummings, John L., Engeman, Richard M., Davis, James E., Jr.
Format: Text
Language:unknown
Published: DigitalCommons@University of Nebraska - Lincoln 2000
Subjects:
Environmental Sciences
Eremophila alpestris
Online Access:https://digitalcommons.unl.edu/icwdm_usdanwrc/809
https://digitalcommons.unl.edu/context/icwdm_usdanwrc/article/1803/viewcontent/York_CP_2000_Evaluation.pdf
Description
Summary:We conducted enclosure trials near Huron, CA in the San Joaquin Valley from 12 to 23 January 1999 to determine the efficacy of Flight Control™ (50% anthraquinone) and Mesurol® (75% methiocarb) in preventing horned lark damage to lettuce seedlings. Flight Control™ (FC) and Mesurol® were evaluated as foliar sprays at application rates of 2.79 and 2.27 kg ha-1, respectively. Homed lark damage to lettuce seedlings treated with antraquinone was greater (p = 0.015) than for rnethiocarb®, 60 versus 20%, respectively, and seedlings in control plots were 100% destroyed. While this level of damage is probably unacceptable to lettuce growers, it should be remembered that the enclosure situation caused an artificially high bird pressure on the crop. Further studies in open fields under a more normal bid pressure are warranted.

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