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Cut warm-season grasses back to about 6 inches above the ground. Once all the stems have been cut and removed, trim the clump back a few more inches into a neat mound.
The grasses are planted in the border around the maize and sorghum fields where invading adult moths become attracted to chemicals emitted by the grasses themselves. Instead of landing on the maize or sorghum plants, the insects head for what appears to be a tastier meal. These grasses provide the "pull" in the "push–pull" strategy.
Sorghum × drummondii (Sudan grass), is a hybrid-derived species of grass raised for forage and grain, native to tropical and subtropical regions of Eastern Africa. It may also be known as Sorghum bicolor × Sorghum arundinaceum after its parents. Some authorities consider all three species to be subspecies under S. bicolor. [2]
Johnson grass or Johnsongrass, Sorghum halepense, is a plant in the grass family, Poaceae, native to Asia and northern Africa. [1] The plant has been introduced to all continents except Antarctica, and most larger islands and archipelagos. It reproduces by rhizomes and seeds.
Ratooning is the agricultural practice of harvesting a monocot crop by cutting most of the above-ground portion but leaving the roots and the growing shoot apices intact so as to allow the plants to recover and produce a fresh crop in the next season.
Sorghum bicolor, commonly called sorghum [2] (/ ˈ s ɔːr ɡ ə m /) and also known as great millet, [3] broomcorn, [4] guinea corn, [5] durra, [6] imphee, [7] jowar, [8] or milo, [9] is a species in the grass genus Sorghum cultivated for its grain. The grain is used as food by humans, while the plant is used for animal feed and ethanol ...
The method proposes that sorghum or corn be intercropped with Desmodium (the "push" plant), which repels the moths as they look to lay their eggs. Desmodium also provides a ground cover and is nitrogen fixing, which improves soil fertility while decreasing labour involved with weeding. [ 4 ]
A culm is the aerial (above-ground) stem of a grass or sedge. It is derived from Latin culmus, meaning "stalk." It originally referred to the stem of any type of plant. [1] In horticulture or agriculture, it is especially used to describe the stalk or woody stems of bamboo, cane or grain grasses.