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Incidence of and damage by Myllocerus maculosus Desbrochus, Melanagromyza phaseoli Tryon and Oberia brevis S. to different varieties of soybean
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In India adults of Myllocerus undecimpustulatus maculosus Desbr. (M. maculosus) feed on the leaves of soy bean from the margin inwards, the larvae of Oberea brevis Gah. mine the stem and migrate to the root region after a day, and the larvae of Ophiomyia phaseoli (Tryon) (Melanagromyza phaseoli) feed on the internal tissues of the stem, causing the plant (especially if young) to dry up. In 1970, the incidence of these pests was investigated on eight varieties of soy bean at Kapur in the State of Uttar Pradesh. Attack by the three species on the differentvarieties ranged from 4.5 to 42.75% for Myllocerus, from 3.5 to 8.75% for Oberea and from 3.25 to 51.25% for Ophiomyia Resistant and susceptible varieties were different for the different pests, and details of varietal susceptibility are shown in a table.
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 Record created 2017-10-01, last modified 2019-02-13

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