Competitive relationships between sugar beet and weeds in dependence on time of weed control
Small plot trials were carried out in years 2001-2003 with sugar beet. In the treatment without weed control, dry weight of sugar beet top and LAI of sugar beet were very low (approx. 50 g/m2 and 0.5 m2/m2, respectively). Yield loss of sugar beet was 80-93%. Dominant weeds were Chenopodium album, Fu...
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| Format: | Article |
| Language: | English |
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Czech Academy of Agricultural Sciences
2008-03-01
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| Series: | Plant, Soil and Environment |
| Subjects: | |
| Online Access: | https://pse.agriculturejournals.cz/artkey/pse-200803-0003_competitive-relationships-between-sugar-beet-and-weeds-in-dependence-on-time-of-weed-control.php |
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| author | M. Jursík J. Holec J. Soukup V. Venclová |
| author_facet | M. Jursík J. Holec J. Soukup V. Venclová |
| author_sort | M. Jursík |
| collection | DOAJ |
| description | Small plot trials were carried out in years 2001-2003 with sugar beet. In the treatment without weed control, dry weight of sugar beet top and LAI of sugar beet were very low (approx. 50 g/m2 and 0.5 m2/m2, respectively). Yield loss of sugar beet was 80-93%. Dominant weeds were Chenopodium album, Fumaria officinalis and Galium aparine. In the treatments where weeds were removed (by hand) until 4 leaf stage of sugar beet, dry weight of sugar beet top and LAI of sugar beet at first increased normally, but were markedly decreased from the half of the vegetation period. Yield loss of sugar beet was 54-28%. Dominant weed in this treatment was Amaranthus retroflexus. The development of sugar beet top dry weight and LAI of sugar beet was practically identical in the treatments where weeds were removed until 8-10 leaf stage of the crop and in those where weeds were removed during the whole vegetation period (500-900 g/m2, or 4-7 m2/m2, respectively). No yield loss of sugar beet was recorded. Dry weight of weeds did not exceed 30 g/m2 and LAI 0.1 m2/m2. A. retroflexus and Mercurialis annua were the most frequent weeds in this treatment. |
| first_indexed | 2024-04-10T08:11:57Z |
| format | Article |
| id | doaj.art-59f039488c8d49b29a4e78b30a0a7d81 |
| institution | Directory Open Access Journal |
| issn | 1214-1178 1805-9368 |
| language | English |
| last_indexed | 2024-04-10T08:11:57Z |
| publishDate | 2008-03-01 |
| publisher | Czech Academy of Agricultural Sciences |
| record_format | Article |
| series | Plant, Soil and Environment |
| spelling | doaj.art-59f039488c8d49b29a4e78b30a0a7d812023-02-23T03:45:24ZengCzech Academy of Agricultural SciencesPlant, Soil and Environment1214-11781805-93682008-03-0154310811610.17221/2687-PSEpse-200803-0003Competitive relationships between sugar beet and weeds in dependence on time of weed controlM. Jursík0J. Holec1J. Soukup2V. Venclová3Department of Agroecology and Biometeorology, Czech University of Life Sciences, Prague, Czech RepublicDepartment of Agroecology and Biometeorology, Czech University of Life Sciences, Prague, Czech RepublicDepartment of Agroecology and Biometeorology, Czech University of Life Sciences, Prague, Czech RepublicDepartment of Agroecology and Biometeorology, Czech University of Life Sciences, Prague, Czech RepublicSmall plot trials were carried out in years 2001-2003 with sugar beet. In the treatment without weed control, dry weight of sugar beet top and LAI of sugar beet were very low (approx. 50 g/m2 and 0.5 m2/m2, respectively). Yield loss of sugar beet was 80-93%. Dominant weeds were Chenopodium album, Fumaria officinalis and Galium aparine. In the treatments where weeds were removed (by hand) until 4 leaf stage of sugar beet, dry weight of sugar beet top and LAI of sugar beet at first increased normally, but were markedly decreased from the half of the vegetation period. Yield loss of sugar beet was 54-28%. Dominant weed in this treatment was Amaranthus retroflexus. The development of sugar beet top dry weight and LAI of sugar beet was practically identical in the treatments where weeds were removed until 8-10 leaf stage of the crop and in those where weeds were removed during the whole vegetation period (500-900 g/m2, or 4-7 m2/m2, respectively). No yield loss of sugar beet was recorded. Dry weight of weeds did not exceed 30 g/m2 and LAI 0.1 m2/m2. A. retroflexus and Mercurialis annua were the most frequent weeds in this treatment.https://pse.agriculturejournals.cz/artkey/pse-200803-0003_competitive-relationships-between-sugar-beet-and-weeds-in-dependence-on-time-of-weed-control.phpsugar beetweed competitionyield lossannual weedsseed productionreproductive abilitytime of emergencecompetition |
| spellingShingle | M. Jursík J. Holec J. Soukup V. Venclová Competitive relationships between sugar beet and weeds in dependence on time of weed control Plant, Soil and Environment sugar beet weed competition yield loss annual weeds seed production reproductive ability time of emergence competition |
| title | Competitive relationships between sugar beet and weeds in dependence on time of weed control |
| title_full | Competitive relationships between sugar beet and weeds in dependence on time of weed control |
| title_fullStr | Competitive relationships between sugar beet and weeds in dependence on time of weed control |
| title_full_unstemmed | Competitive relationships between sugar beet and weeds in dependence on time of weed control |
| title_short | Competitive relationships between sugar beet and weeds in dependence on time of weed control |
| title_sort | competitive relationships between sugar beet and weeds in dependence on time of weed control |
| topic | sugar beet weed competition yield loss annual weeds seed production reproductive ability time of emergence competition |
| url | https://pse.agriculturejournals.cz/artkey/pse-200803-0003_competitive-relationships-between-sugar-beet-and-weeds-in-dependence-on-time-of-weed-control.php |
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