Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production
Liverwort (<i>Marchantia polymorpha</i>) competes for resources within containers, resulting in a reduction in the quality and market value of ornamentals. Therefore, the objective of this study was (1) to assess the impact of different mulch types, depths, and their moisture-holding-cap...
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MDPI AG
2024-12-01
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| Series: | Horticulturae |
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| Online Access: | https://www.mdpi.com/2311-7524/10/12/1282 |
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| author | Manjot Kaur Sidhu Sushila Chaudhari Roberto G. Lopez Eric L. Patterson Debalina Saha |
| author_facet | Manjot Kaur Sidhu Sushila Chaudhari Roberto G. Lopez Eric L. Patterson Debalina Saha |
| author_sort | Manjot Kaur Sidhu |
| collection | DOAJ |
| description | Liverwort (<i>Marchantia polymorpha</i>) competes for resources within containers, resulting in a reduction in the quality and market value of ornamentals. Therefore, the objective of this study was (1) to assess the impact of different mulch types, depths, and their moisture-holding-capacity on liverwort control and (2) to quantify if phytotoxicities develop on ornamental plants due to the mulches. The percent water retention of four different organic mulches [rice hull (RH), cocoa hull (CH), pine bark (PB), or red hardwood (HW)] was determined in a laboratory experiment. In a greenhouse experiment, the <i>Hosta plantaginea</i> (Plantain Lily) varieties ‘Curly Fries’ and ‘Pandora’s Box’ were mulched with either RH, HW, CH, or PB at a depth of 0.63, 1.27, 2.54, or 5.08 cm. Liverwort thalli coverage on the container surface was visually estimated bi-weekly, and the fresh weight of the thalli was recorded at the end of the experiment. The results indicated that CH mulch retained the highest amount of moisture (86%). The RH and HW mulches, at depths of 1.27 cm or more, provided excellent (>80%) liverwort control in ‘Curly Fries’. All mulches at depths of 1.27 cm or more showed excellent (100%) liverwort control for ‘Pandora’s Box’. Overall, RH and PB mulches at all depths provided excellent liverwort control and no reduction in the growth of ‘Curly Fries’ and ‘Pandora’s Box’. |
| format | Article |
| id | doaj-art-e084d492e2bb49b6812164e97d3d2829 |
| institution | DOAJ |
| issn | 2311-7524 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Horticulturae |
| spelling | doaj-art-e084d492e2bb49b6812164e97d3d28292025-08-20T02:55:45ZengMDPI AGHorticulturae2311-75242024-12-011012128210.3390/horticulturae10121282Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental ProductionManjot Kaur Sidhu0Sushila Chaudhari1Roberto G. Lopez2Eric L. Patterson3Debalina Saha4Department of Horticulture, Michigan State University, East Lansing, MI 48824, USAField Development Representative, Mid-West, FMC Corporation, Plainfield, IL 60585, USADepartment of Horticulture, Michigan State University, East Lansing, MI 48824, USADepartment of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, USADepartment of Horticulture, Michigan State University, East Lansing, MI 48824, USALiverwort (<i>Marchantia polymorpha</i>) competes for resources within containers, resulting in a reduction in the quality and market value of ornamentals. Therefore, the objective of this study was (1) to assess the impact of different mulch types, depths, and their moisture-holding-capacity on liverwort control and (2) to quantify if phytotoxicities develop on ornamental plants due to the mulches. The percent water retention of four different organic mulches [rice hull (RH), cocoa hull (CH), pine bark (PB), or red hardwood (HW)] was determined in a laboratory experiment. In a greenhouse experiment, the <i>Hosta plantaginea</i> (Plantain Lily) varieties ‘Curly Fries’ and ‘Pandora’s Box’ were mulched with either RH, HW, CH, or PB at a depth of 0.63, 1.27, 2.54, or 5.08 cm. Liverwort thalli coverage on the container surface was visually estimated bi-weekly, and the fresh weight of the thalli was recorded at the end of the experiment. The results indicated that CH mulch retained the highest amount of moisture (86%). The RH and HW mulches, at depths of 1.27 cm or more, provided excellent (>80%) liverwort control in ‘Curly Fries’. All mulches at depths of 1.27 cm or more showed excellent (100%) liverwort control for ‘Pandora’s Box’. Overall, RH and PB mulches at all depths provided excellent liverwort control and no reduction in the growth of ‘Curly Fries’ and ‘Pandora’s Box’.https://www.mdpi.com/2311-7524/10/12/1282<i>Marchantia polymorpha</i>water retentionHostaornamental productionweeds |
| spellingShingle | Manjot Kaur Sidhu Sushila Chaudhari Roberto G. Lopez Eric L. Patterson Debalina Saha Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production Horticulturae <i>Marchantia polymorpha</i> water retention Hosta ornamental production weeds |
| title | Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production |
| title_full | Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production |
| title_fullStr | Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production |
| title_full_unstemmed | Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production |
| title_short | Preemergent Liverwort Control by Organic Mulching in Containerized Ornamental Production |
| title_sort | preemergent liverwort control by organic mulching in containerized ornamental production |
| topic | <i>Marchantia polymorpha</i> water retention Hosta ornamental production weeds |
| url | https://www.mdpi.com/2311-7524/10/12/1282 |
| work_keys_str_mv | AT manjotkaursidhu preemergentliverwortcontrolbyorganicmulchingincontainerizedornamentalproduction AT sushilachaudhari preemergentliverwortcontrolbyorganicmulchingincontainerizedornamentalproduction AT robertoglopez preemergentliverwortcontrolbyorganicmulchingincontainerizedornamentalproduction AT ericlpatterson preemergentliverwortcontrolbyorganicmulchingincontainerizedornamentalproduction AT debalinasaha preemergentliverwortcontrolbyorganicmulchingincontainerizedornamentalproduction |