Control begins at the time of establishment as seed production is minimized. Seeds may remain viable for up to 50 years in the soil.Field bindweed is mainly a pest of cultivated land but is also found along roadsides, fallow fields and other non-cultivated areas.
See the In areas outside the landscape or orchard, cultivation and herbicide treatment can be used. If field bindweed is present, land is devalued and the weed precludes planting of many vegetable crops.Control of field bindweed isn’t easy, and it can’t be accomplished with a single treatment or in a single season. If topsoil is introduced to a site, it should be free of roots, rhizomes, seeds, and other bindweed propagules. Field bindweed leaves (Robert Videki, Bugwood.org) Field bindweed flowers (Phil Westra, Colorado State University, Bugwood.org) Description.
Flowers have pink to white petals that are fused into a funnel shape. Application of herbicides, which reduce bindweed growth and kill germinating seedlings, can also be part of an integrated pest management program.Three practices can reduce the possibility of introducing field bindweed—purchase and plant clean seed and ornamental stock, remove any seedlings before they become perennial plants, and prevent any plants from producing seed.
For control, products containing trifluralin, oryzalin, or pendimethalin applied before emergence will reduce perennial shoots and control the germinating seedlings, but they won’t kill established bindweed plants. Some people have used a 2 percent solution (volume to volume) of glyphosate to paint the leaves of bindweed in shrub areas, but if you try this be sure not to allow the herbicide to touch mature leaves or green bark of ornamental shrubs or trees, or injury can result. Most of these lateral roots are no deeper than 1 foot.
For herbicide recommendations for specific grain rotations and weeds in Montana, please see the MSU Consult herbicide labels for additional rate, application, and safety information. Additional photos. climbing or creeping vine with long twirling stems that can exceed 3 feet in length ... Life Cycle. Cultivation or hoeing has been partially effective in reducing established stands of field bindweed. Wright, S. D., G. Fischer, and A. Lange, 1990. Field bindweed grows on cultivated fields, pastures, gardens and lawns, roadsides, railways, and in waste places. Glyphosate doesn’t have residual activity, so repeated applications are necessary. Stems emerge from root crowns in early May. The entire root system of one plant can occupy an area 20 feet in diameter and 30 feet in depth.
For more information on this report please see: The bindweed gall mite, Frequent cultivations reduce field bindweed root reserves and deplete the soil seed bank.
Once landscape fabric or other mulch is removed, new bindweed plants might germinate from seed in the soil; be sure to monitor the site and control any new seedlings. FOR ALL OTHER USES or more information, read Agriculture and Natural Resources, University of California Systems Approach to Control of Field Bindweed. The leaves are triangular in shape. In addition rhizomes have the ability to penetrate through fabric, plastic, and other barriers. Seedlings of field bindweed are easy to control with cultivation, but only for about 3 to 4 weeks after germination. In open areas where there are no desirable plants, glyphosate (e.g., Roundup and other formulations) using a 2 percent solution is effective when bindweed plants are actively growing with no moisture stress. In fact, bindweed is considered a noxious weed in 44 countries and it affects 32 crops (cereals, beans, corn, poato, tobacco and tomatoes to name a few).
Roots capable of budding are found to depths of 14 feet.
Field bindweed, Convolvulus arvensis, is a native of Eurasia that first was documented in California in 1884 in San Diego. Shoot growth begins when day temperatures are near 14 C and night temperatures are at least 2 C. Weaver, S. E., and W. R. Riley.
The vertical roots can reach depths of 20 feet or more.
Hedge bindweed or bellbind (Calystegia sepium) with its pure white trumpet flowers is a familiar sight, choking plants in borders and twining around any plant shoot or cane.The smaller field bindweed (Convolvulus arvensis) with white or pink flowers is problematic in long grass and bare soil. Non-Chemical Control of Field Bindweed. Cattle, sheep, and goats will graze on field bindweed leaves and stems.
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field bindweed life cycle