05/09/2023
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Monthly Desert Tree informational Post
Mesquite or Prosopsi spp have been in North America since the Pliocene era and their wood has been dated to 3300 yr BP. They are thought to have evolved with megafauna in the New World. The loss of North American megafauna at the end of the Pleistocene era gave way to one theory of how the Prosopis spp. were able to survive. One theory is that the loss of the megafauna allowed Prosopis spp. to use their fruit pods to attract other organisms to spread their seeds; then, with the introduction of livestock, they were able to spread into grasslands. Another is that Prosopis spp. had always been present in grasslands, but recurring fires had delayed plant and seed development before the emergence of livestock and grazing.
Mesquites grow as a small shrub in shallow soil or as tall as 50 feet (15 m) in deep soil with adequate moisture, and forms a rounded canopy nearly as wide. They may have one or multiple trunks with a multitude of branches. They have bipinnate leaflets of a light green to blue hue that cast a light to deep shade, depending on the species. Spikes of flowers form in spring and summer that form a flat pod of beans 2 to 6 inches (5 to 15 cm) long. Many varieties form thorns. When cut to the ground, the tree can often recover.
Once the pod is dry, the whole pod is edible and can be ground into flour and made into bread.
Mesquite is native to the US and can be used as a type of lumber. It was a popular type of wood used by early Spaniards to build ships, but is now used most commonly for high-end rustic furniture and cabinets. Scraps and small pieces are used commonly as wood for cooking with smoke in Southern states.
Red-orange sap can be found on the branches of mesquite trees during the summer. This sap was used by those who lived in the desert for several medicinal treatments. The sap was used as a salve and spread on burns and cuts to speed up the healing process. Gargling a mixture of water and sap was used to soothe sore throats, and the same mixture was said to be able to cure upset stomachs
introduction. Through digesting and excreting the seeds, the Indian wild asses are providing the habitat needed for germination. The 5,000 square kilometres (1,931 sq mi) Indian Wild Ass Sanctuary is experiencing mesquite invasion of roughly 1.95 square kilometres (0.75 sq mi) a year. By overtaking the land, the dense canopy cover of mesquite has made it so native vegetation cannot grow. It has also made watering holes inaccessible to the animals within this region. This lack of resources and range is forcing the endangered Indian wild ass into human landscapes and agriculture fields and locals are killing these asses to protect their crops.
Controlling mesquite is a challenging task. One often-used method is mechanical control. This can be effective with high mortality rates if stems are cut at least 20 centimetres (8 in) underground. Another method is through the application of herbicides, done on an individual plant basis.[13] Basal application is effective to mesquite of all sizes, while foliar application is best for plants smaller than 1.5 metres (5 ft). Another physical option for control is through fires. Some species of mesquite are fire-sensitive, while others are fire-tolerant. For those that are fire-sensitive, this method can be highly effective, but those that are fire-tolerant require hot and intense fires to be effective. In Australia, scientists are trying biological control methods. They have introduced multiple insects, but the most effective in causing high population level impact is the leaf-tying moth (Evippe spp.) The most recommended method for managing Prosopis, both in native and introduced ranges, is by targeting large numbers of plants either through herbicide or physical removal. Also, research is being done on using satellite and aerial images to assess canopy cover and determine which ranges should be targeted.
This is purely for informational purposes to the residents of pahrump in the surrounding areas just meant to inform and educate on the local foliage that we have. If you have any questions about mesquite trees or any other trees and would like some answers please message me on Facebook or you can reach me at 775-209-0456
