scholarly journals Biology and Management of Doveweed (Murdannia nudiflora) in Ornamental Crop Production

EDIS ◽  
2019 ◽  
Vol 2019 (5) ◽  
pp. 5
Author(s):  
Yuvraj Khamare ◽  
Chris Marble ◽  
Nathan Boyd ◽  
Shawn Steed

Doveweed is a common warm-season annual weed in Florida landscapes, container nurseries, and other agricultural production systems. This new 5-page article is written for green industry professionals and others to aid in the identification and management of doveweed in and around ornamental plants. Preemergence and postemergence herbicides are covered, as well as basic information on doveweed biology and growth. Written by Yuvraj Khamare, Chris Marble, Nathan Boyd, and Shawn Steed, and published by the UF/IFAS Environmental Horticulture Department. https://edis.ifas.ufl.edu/ep576

EDIS ◽  
2020 ◽  
Vol 2020 (5) ◽  
Author(s):  
Thomas Patrick Smith ◽  
Chris Marble ◽  
Shawn Steed ◽  
Nathan Boyd

Galinsoga (Galinsoga quadriradiata) is an erect (upright), herbaceous, short-lived warm-season annual weed in Florida landscapes, container nurseries, and other agricultural production systems. In nurseries and landscapes, galinsoga can be a troublesome weed, but it has been utilized by some cultures for food or medicinal purposes. This new 5-page article is written for green-industry professionals and others to aid in the identification and management of galinsoga in and around ornamental plants. Written by Thomas Smith, Chris Marble, Shawn Steed, and Nathan Boyd, and published by the UF/IFAS Environmental Horticulture Department. https://edis.ifas.ufl.edu/ep593


EDIS ◽  
2019 ◽  
Vol 2019 (5) ◽  
pp. 5
Author(s):  
Yuvraj Christopher Khamare ◽  
Chris Marble ◽  
Nathan Boyd ◽  
Shawn Steed

Chickweed is a common cool-season annual weed in Florida landscapes, container nurseries, home gardens, and other agricultural production systems. This new 5-page article is written for green industry professionals and others to aid in the identification and management of chickweed in and around ornamental plants. Written by Yuvraj Khamare, Chris Marble, Nathan Boyd, and Shawn Steed and published by the UF/IFAS Environmental Horticulture Department. https://edis.ifas.ufl.edu/ep577


EDIS ◽  
2020 ◽  
Vol 2020 (5) ◽  
pp. 5
Author(s):  
Thomas Smith ◽  
Chris Marble ◽  
Shawn Steed ◽  
Nathan Boyd

Garden spurge is a prostrate (low-growing), herbaceous, short-lived, warm-season annual weed commonly found growing in Florida landscapes, container nurseries, and other agricultural production areas. This article is written for green industry professionals and others to aid in the identification and management of garden spurge in and around ornamental plants.


EDIS ◽  
2020 ◽  
Vol 2020 (6) ◽  
Author(s):  
Thomas Smith ◽  
Chris Marble

Florida betony (Stachys floridana) is a perennial weed in Florida landscape planting beds, gardens, turfgrass, and agricultural production systems. This new 4-page article is written for green industry professionals and others to aid in the identification and management of Florida betony in and around ornamental plants in landscape planting beds. Written by Thomas Smith and Chris Marble, and published by the UF/IFAS Environmental Horticulture Department.https://edis.ifas.ufl.edu/ep597


EDIS ◽  
2020 ◽  
Vol 2020 (6) ◽  
Author(s):  
Grantly Ricketts ◽  
Chris Marble

Creeping beggarweed is a common perennial broadleaf weed in Florida landscapes, home gardens, pastures, and other agricultural production systems. This new 6-page article is written for green industry professionals and others to help aid in the identification and management of creeping beggarweed in landscape turf and planting beds. Written by Grantly Ricketts and Chris Marble, and published by the UF/IFAS Environmental Horticulture Department.https://edis.ifas.ufl.edu/ep591


EDIS ◽  
2020 ◽  
Vol 2020 (4) ◽  
Author(s):  
Yuvraj Khamare ◽  
Chris Marble ◽  
Shawn Steed ◽  
Nathan Boyd

Praxelis is a newly emerging weed species in Florida, one that Plant Protection and Quarantine (PPQ) is considering adding to the federal noxious weed list. The plant can be easily misidentified and confused with Ageratum houstonianum (bluemink) and Conoclinium coelestinum (blue mistflower) as well as several other species that have similar flower characteristics. This new 5-page article is written for green industry professionals and others to aid in the identification and management of praxelis in and around ornamental plants. Written by Yuvraj Khamare, Chris Marble, Shawn Steed, and Nathan Boyd, and published by the UF/IFAS Environmental Horticulture Department.https://edis.ifas.ufl.edu/ep585


EDIS ◽  
2021 ◽  
Vol 2021 (4) ◽  
Author(s):  
Yuvraj Khamare ◽  
Chris Marble ◽  
Robert Stamps

Benghal dayflower is listed among the world’s worst weeds, affecting over 25 crops in 29 countries (Holm et al., 1977). Benghal dayflower has many characteristics that make it a very troublesome weed in Florida landscapes, nurseries and other agricultural production areas. It was first recorded in Florida in 1928 and was designated as a legally noxious weed by the U.S Department of Agriculture in 1983 (Faden, 1993). Due to its status as a legally noxious weed, presence of benghal dayflower on nursery property can lead to quarantines, so identification and management is critical for nurseries. This 5-page article is written for green industry professionals and others to aid in the identification and management of benghal dayflower in and around ornamental plants. Major revision by Yuvraj Khamare, Chris Marble, and Robert Stamps, and published by the UF/IFAS Environmental Horticulture Department. Previous version: Stamps, Robert. 2011. “Prevention, Early Detection, and Eradication of Benghal Dayflower in Field Nurseries”. EDIS 2011 (5/6). https://journals.flvc.org/edis/article/view/119299.


2013 ◽  
Vol 31 (1) ◽  
pp. 14-20
Author(s):  
Ashley B. Witcher ◽  
Carolyn W. Robinson ◽  
Christine H. Coker ◽  
D. Joseph Eakes ◽  
Stephen S. Ditchkoff ◽  
...  

Nursery and landscape professionals as well as homeowners throughout Alabama continue to experience deer damage to ornamental plants due to the increasing populations of white-tailed deer (Odocoileus virginianus Zimmerman). To understand the extent of damage, surveys were created for green industry professionals and homeowners. The industry survey was sent to members of the Alabama Nursery and Landscape Association (ALNLA) (N = 223). The homeowner survey was sent to nine Master Gardener associations and administered through one day of onsite surveys at Huntsville Botanic Garden (N = 668). Questions inquired if respondents encountered injury to plants from whitetail deer, what types of preventive methods they were using, plants typically browsed, and extent of plant loss annually as a result of deer activity. Fifty-five percent of green industry professionals and 37% of homeowners answered ‘yes’ to damage problems, and of those, more homeowners (61%) than industry (41%) employed preventive methods to reduce deer browse. High fencing, electric fencing, Liquid Fence® repellent, and motion irrigation were the most effective of eleven preventive measures listed. Indian hawthorn (Rhaphiolepis indica L.) and hosta (Hosta spp.) were the most commonly damaged plants according to industry and homeowners, respectively. The majority of homeowners experienced damage during the spring, while industry participants reported most damage during the winter and fall months.


Plants ◽  
2019 ◽  
Vol 8 (12) ◽  
pp. 601 ◽  
Author(s):  
Lígia Erpen-Dalla Corte ◽  
Lamiaa M. Mahmoud ◽  
Tatiana S. Moraes ◽  
Zhonglin Mou ◽  
Jude W. Grosser ◽  
...  

Horticultural crops, including fruit, vegetable, and ornamental plants are an important component of the agriculture production systems and play an important role in sustaining human life. With a steady growth in the world’s population and the consequent need for more food, sustainable and increased fruit and vegetable crop production is a major challenge to guarantee future food security. Although conventional breeding techniques have significantly contributed to the development of important varieties, new approaches are required to further improve horticultural crop production. Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) has emerged as a valuable genome-editing tool able to change DNA sequences at precisely chosen loci. The CRISPR/Cas9 system was developed based on the bacterial adaptive immune system and comprises of an endonuclease guided by one or more single-guide RNAs to generate double-strand breaks. These breaks can then be repaired by the natural cellular repair mechanisms, during which genetic mutations are introduced. In a short time, the CRISPR/Cas9 system has become a popular genome-editing technique, with numerous examples of gene mutation and transcriptional regulation control in both model and crop plants. In this review, various aspects of the CRISPR/Cas9 system are explored, including a general presentation of the function of the CRISPR/Cas9 system in bacteria and its practical application as a biotechnological tool for editing plant genomes, particularly in horticultural crops.


Water ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 763
Author(s):  
Ricardo de O. Figueiredo ◽  
Anthony Cak ◽  
Daniel Markewitz

Expansion of agriculture in the Brazilian Amazon has been driven not just by demands from traditional, rural producers, but also large agriculture and cattle producers, both of whom have put considerable pressure on remaining forests and their watersheds. Monitoring of these watersheds has been a focus of intensive study for the past 20 years and although this work has greatly increased our understanding, considerable gaps still remain in our ability to provide adequate recommendations for land management and associated public policies. In this study we present a summary of findings from these previous results. For small properties, the use of fire to prepare land for cultivation remains controversial, while in large properties, forest conversion to pasture and/or crop production has had a meaningful and adverse effect on water quality. Riparian forest conservation can make a significant difference in reducing impacts of land-use change. Secondary vegetation can also play an important role in mitigating these impacts. New types of sustainable agricultural production systems, together with incentives such as payments for ecosystem service can also contribute. Continued monitoring of these changes, together with robust sustainable development plans, can help to preserve forest while still addressing the social and economic needs of Amazonian riverine inhabitants.


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