BIOLOGY AND HABITSĪll armyworms have four life stages: egg, larva, pupa and adult. The fall armyworm is usually the species that causes the most problems in pastures, small grains and turfgrass. Common species of armyworms present in Texas include: the fall armyworm, Spodoptera frugiperda the yellowstriped armyworm, Spodoptera ornithogalli the beet armyworm, Spodoptera exigua and the armyworm, Pseudaletia unipuncta. Your now ready to put out new grass seed and fertilizer at this point.Chris Sansone, Rick Minzenmayer and John JackmanĪrmyworm outbreaks are difficult to predict but infestations seem to occur in portions of the state every year especially after rains in the early fall. Once the thatch has been removed, the grass and soil will be able to breath, resulting in a healthier and greener lawn. After you have gone over the whole lawn, make sure to remove any loosened debris. You should overlap by a couple of inches to make sure you cover as much ground as possible. Whatever method you choose, make sure to get all the way down to the grass level. It can cause shallow root development, prevent pesticides or fertilizer penetration, and can harbor disease causing bacteria or fungus.ĭethatching generally includes using a thatch rake or power rake machine to remove the excess thatch. Heavy thatch creates a barrier that stops air, water, and nutrients from getting down to the soil. Thatch is an excessive growth of grass that builds up before existing plant matter can decompose. In this video, we will go over a couple of dethatching tips. Most people over look dethatching their yard! It is a simple way to make sure your lawn is getting the nutrients it needs to survive.
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