Cultural Control of common crupina - Crupina vulgaris
Sheep: No information available.
Goats: No information available.
Tilling: This control method is difficult to use on steep inclines. It is also not a recommended control for most range areas. However, tilling does work for small infestations. If you till the weed, you should do it before the plant flowers. Following this, you should check the area every two to four weeks in the spring. Any new weeds should be tilled at this time (1).
Hand Pulling: This control method is difficult to use on steep inclines. It is also not a recommended control for most range areas. However, hand pulling does work for small infestations. If you hand pull the weed, you should do it before the plant flowers. Following this, you should check the area every two to four weeks in the spring. Any new weeds should be pulled at this time (1). Dispose of plants so that seeds cannot mature and disperse. (2)
Mowing: There is only minimal information available for this method of control. However, after the weed has begun producing seeds, you should not use mowing as a control strategy. This is because there is an increased chance of seed dissemination (1).
Controlled Burning: No information available.
Seeding/Reseeding: Common crupina reproduces by its seeds. The seeds, which are also called achenes, detach from the parent plant. They usually do not go any further than 1.5 meters away from where they fall. However, they can go further due to high winds and be desiminated by a variety of animals including humans and their machinery. A seed may also be spread if it gets carried away by water (1 & 2). Approximately 85% of seeds that are planted will germinate the next fall. The seeds of this plant can germinate under a large variety of temperatures. They can also remain viable for up to three years (1).
Watering: No information available.
Fertilizing: No information available.
Grazing methods: This plant is rarely used for grazing. They are only grazed when there is not enough other feed. This type of weed is generally uneatable for livestock (1). Over grazing may increase common crupina so manage your land so that desirable forage plants can easily compete with this weed.
(1) Common crupina or Bearded creeper, [Online Available] http://pi.cdfa.ca.gov/weedinfo/CRUPINA2.html.
(2) Todd Breitenfeldt Whitehall Schools science teacher, Email to: firstname.lastname@example.org. School Phone: 287-3862 S-mail: MTwow.org
Whitehall Schools, P.O. Box 1109, Whitehall, Mt 59759.
By: Kristen Leverton and Justin Stratton 01/17/02
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