Seed Conditioning, Volume 2

Gregg, Bill; Billups, Gary

doi:10.1201/b10312

Cited by 8 publications

(13 citation statements)

References 0 publications

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“…It has been proposed that the selectivity of a range of herbicides for weeds can be further improved by coating crop seeds with activated carbon (Hagon ; Cook & O'Grady ). Commercial seed coatings are typically applied using rotary and drum coaters; through these technologies the coating forms thin layers around the seed 1–2 mm thick (Gregg & Billups ). Unlike banding, an activated carbon seed coating only provides protection to the seed and potentially a thin layer around the seed.…”

Section: Seed Enhancement Technologiesmentioning

confidence: 99%

“…Some of the materials being applied through these technologies include application of macro and micronutrients, soil surfactants, plant growth regulators, beneficial microorganisms, humic substances, biopolymers, hydrophilic and hydrophobic materials, and various plant protection agents including fungicides, insecticides, and predator deterrents. Seed enhancement technologies can alter the physiological status of the seed through hydration methods such as priming, steeping, hardening, soaking, and pre‐germination (Gregg & Billups ) and break seed dormancy through such processes as chemical and mechanical scarification, stratification, and hormonal treatments (Turner et al ) .…”

Section: Introductionmentioning

confidence: 99%

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Emerging seed enhancement technologies for overcoming barriers to restoration

Madsen

Davies

Boyd

et al. 2016

Restoration Ecology

153

126

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Rangelands occupy over a third of global land area, and in many cases are in less than optimum condition as a result of past land use, catastrophic wildfire, and other disturbances, invasive species, or climate change. Often the only means of restoring these lands involves seeding desirable species, yet there are few cost effective-seeding technologies, especially for the more arid rangeland types. The inability to consistently establish desired plants from seed may indicate that seeding technologies being employed are not successful in addressing the primary sources of mortality in the progression from seed to established plant. Seed enhancement technologies allow for the physical manipulation and application of materials to the seed that can enhance germination, emergence, and/or early seedling growth. In this article, we examine some of the major limiting factors impairing seedling establishment in North America's sagebrush steppe ecosystem and propose seed enhancement technologies that may have the potential to overcome these restoration barriers. We discuss specific technologies for: (1) increasing soil water availability; (2) enhancing seedling emergence in crusting soil; (3) controlling the timing of seed germination; (4) improving plantability and emergence of small-seeded species; (5) enhancing seed coverage of broadcasted seeds; and (6) protecting seedlings from pre-emergent herbicide. Concepts and technologies in this article for restoring the sagebrush steppe ecosystem may apply generally to semiarid and arid rangelands around the globe.

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Section: Seed Enhancement Technologiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Emerging seed enhancement technologies for overcoming barriers to restoration

Madsen

Davies

Boyd

et al. 2016

Restoration Ecology

153

126

View full text Add to dashboard Cite

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“…Seed appendages are rubbed off in the cylindrical frame of the polisher by the abrading action of revolving brushes. As with any mechanical operation, excessive processing can cause damage to the seed coat [6,7]. Damage can be extended to the interior parts of the seed and affect physiological processes.…”

Section: Introductionmentioning

confidence: 99%

Classification of Processing Damage in Sugar Beet (Beta vulgaris) Seeds by Multispectral Image Analysis

Salimi

Boelt

2019

Sensors

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The pericarp of monogerm sugar beet seed is rubbed off during processing in order to produce uniformly sized seeds ready for pelleting. This process can lead to mechanical damage, which may cause quality deterioration of the processed seeds. Identification of the mechanical damage and classification of the severity of the injury is important and currently time consuming, as visual inspections by trained analysts are used. This study aimed to find alternative seed quality assessment methods by evaluating a machine vision technique for the classification of five damage types in monogerm sugar beet seeds. Multispectral imaging (MSI) was employed using the VideometerLab3 instrument and instrument software. Statistical analysis of MSI-derived data produced a model, which had an average of 82% accuracy in classification of 200 seeds in the five damage classes. The first class contained seeds with the potential to produce good seedlings and the model was designed to put more limitations on seeds to be classified in this group. The classification accuracy of class one to five was 59, 100, 77, 77 and 89%, respectively. Based on the results we conclude that MSI-based classification of mechanical damage in sugar beet seeds is a potential tool for future seed quality assessment.

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“…Typical limitations include low production rates and high labor costs per batch. 3,26 A more standardized seed coating equipment is the rotary seed coater consisting of a rotating cylinder. Seeds and pelletiz-Table 1 Global production (million tonnes) of major crops with their common pests, diseases, and active ingredients (AI) used for seed treatments, and major suppliers.…”

Section: Seed Coating Equipmentmentioning

confidence: 99%

“…4, 5 and 12 Crop World production 2020 (million tonnes) 5 Common ing materials are continuously rotated within the cylinder, being forced back within the center upon collision with the baffles fitted on the sides achieving a uniform coating on the seeds. 26 Modern seed coating equipment includes fluidized beds and side vented drums 25 used to produce precise film coatings and encrustings. 1,10,27 These equipment achieve coating through the provision of a constant air flow for suspending the seeds while the coating mixture is sprinkled through spray nozzles.…”

Section: Seed Coating Equipmentmentioning

confidence: 99%