1 / 10

Dehulling and groat/hull content measurement at JKI-ZL Groß Lüsewitz M. Herrmann

Dehulling and groat/hull content measurement at JKI-ZL Groß Lüsewitz M. Herrmann. Equipment:. Feed hopper. Weighing scales with dehulled sample. Compressed air dehuller. Air pressure regulator. Influencing factors for groat/hull content:. Environmental effects: sunny days, latitude

marie
Download Presentation

Dehulling and groat/hull content measurement at JKI-ZL Groß Lüsewitz M. Herrmann

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Dehulling and groat/hull content measurement at JKI-ZL Groß Lüsewitz M. Herrmann

  2. Equipment: Feed hopper Weighing scales with dehulled sample Compressed air dehuller Air pressure regulator

  3. Influencing factors for groat/hull content: • Environmental effects: • sunny days, latitude • Weather conditions • Fertilizer • Pretreatment of seeds and grain moisture content • Genetical factors: Kernel size and shape; „dehulling ability“ • Dehulling methods (manually 200 kernels; compressed air dehuller, impact dehuller)

  4. Influencing factors for hull content: • Dehulling parameters: • Amount of seeds; • Duration of dehulling • Air pressure • Insufficient air pressure or duration results in ineffective dehulling, but excessive stress (higher air pressure and duration) results in groat breakage.

  5. Quality of dehulling (300g-samples: 5min) Bad dehulled sample

  6. Quality of dehulling Slightly better

  7. Dehulling results are strongly influenced by location and genotype: (results from 2008) % hull content

  8. Replications needed for evaluation of hull content(results 2008 with standards Groß Lüsewitz) % hull content of replicated standards

  9. Summary and conclusions • Capacity: Dehulling with compressed air dehuller in JKI-Groß Lüsewitz: 40 samples daily (300g-samples) • Wild oats need to be pretreated (de-awning) - dehulling leads to blockage of the dehuller • Very strong genotypic and location effects on dehulling • There is a wide range of hull content within the AVEQ-set of entries (10-80%hull) • Hull content from one replication is a very rough estimate (about ±6%) • Many samples need to be cleaned by hand because of remaining hulls or undehulled grains before analysis

  10. Many thanks to the sponsors: The European Commission’s ( Council Regulation (EC) no. 870/2004), Peter Koelln KGaA, Emco spol. s r. o., Gemeinschaft zur Förderung der privaten deutschen Pflanzenzüchtung e.V. (GFP) Meeting additionally supported by the Association of the Friends and Promotors of the Julius Kühn-Institute (GFF) and Peter Koelln KGaA

More Related