alternative forage Archives - Sheep and Goat Production

Key Points: Why replace silage corn? Some regions in Ontario have observed high corn rootworm pressure in 2020 that is challenging current Bt rootworm hybrids. In regions where Bt rootworm corn hybrids have been used for more than three consecutive years, resistance among corn rootworm populations is suspected. Several growers in Ontario are reporting fields with rootworm injury to trait providers and research and extension scientists. Growers in areas with resistant rootworm populations can no longer rely solely on Bt rootworm hybrids for protection against rootworm injury. Continued use of these hybrids in problem fields can perpetuate the issue, allowing resistant populations to survive and spread to neighbouring fields. Other control measures like granular insecticides or seed treatments can only…

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Reports indicate widespread alfalfa winterkill due to several thaws that reduced snow cover and created ice cover in fields. Producers need to scout their hay fields to assess the damage, then develop a plan to ensure they will have the forage they need. Keep it, patch it, or start over? Plant counts should be done in the spring and fall each year (Table 1). These can be done when the alfalfa is dormant. The spring count is a good time to dig up some plants and assess root health. Stem counts are useful for predicting yield potential, and these should be done when there is 15-20 cm (6-8 in.) of growth (Table 2). If the number of plants or stems…

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Forage Options to Replace Silage Corn

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Establishing Alternative Forage Crops

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