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Filtering by: Creator Walden, John B. Conference Section/Track Cereal Crop Pests

Injury Equivalences and Economic Injury Levels for Four Grain Aphids on Spring Barley

Creator:

Lee, G. Hyoung and Bechinski, Edward John

Resource Type:

Conference Proceeding

Full Text:

equivalencies by using the regression equations inTable 2. Here slope (b) parameters quantify the rate of injury
Economic Injury Level for Russian Wheat Aphid (Homoptera: Aphididae) on Spring Barley in Northern Idaho

Creator:

Lee, G. Hyoung and Bechinski, Edward John

Resource Type:

Conference Proceeding

Full Text:

(see Table 1 for equation). A and B: from two leaf stage, C and D: from flag leaf stage. Circle and
Effects of Russian Wheat Aphid (Diuraphis noxia) on Spring Barley Yield at Three Different Stages in Northern Idaho

Creator:

Lee, G. Hyoung and Bechinski, Edward John

Resource Type:

Conference Proceeding

Full Text:

c [Eq3], where a, b, and c are regression parameters. Equation 3 will be substituted in [Eq.l], then