Greenbook.
Greenbook, a Vance publication, launches two new modules on the Greenbook.net Web site aimed at providing agricultural retailers, growers, custom applicators ap·pli·ca·tor ( p l -k and research and Extension with the latest education, tools and control options available for dealing with Asian soybean rust and soybean aphid aphid or plant louse, tiny, usually green, soft-bodied, pear-shaped insect injurious to vegetation. It is also called greenfly and blight. Aphids are mostly under 1-4 in. (6 mm) long. Some are wingless; others have two pairs of transparent or colored wings, the front pair longer than the hind pair. In typical aphids (family Aphididae), two tubes called cornicles project from the rear of the abdomen and exude protective substances. threats. Both modules provide comprehensive information for learning about these threats, tools for diagnosing and evaluating these pests and chemical control and management options powered by the Greenbook Crop Protection Reference database.
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