Quarantine weeds in alfalfa seed and their influence on processing efficiency | Karantinski korovi u semenu lucerke i njihov uticaj na efikasnost dorade
2010
Đokić, D., Institut za krmno bilje, Kruševac (Serbia) | Stanisavljević, R., Institut za krmno bilje, Kruševac (Serbia) | Marković, J., Institut za krmno bilje, Kruševac (Serbia) | Mileusnić, Z., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Dimitrijević, A., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Barać, S., Poljoprivredni fakultet, Zubin Potok (Serbia)
In the process of alfalfa seed processing, all relevant parameters are directly dependant on presence of weed species and other impurities in natural seed, as well as on equipment used. The higher amount of weed in natural alfalfa seed lowers the total amount of processed seed, making the processing harder and more expensive. In alfalfa crop, quarantive weeds are especially harmful, such as dodder (Cuscuta spp.) and curly dock (Rumex spp.). One of the greatest problem in alfalfa planting is the presence of harmful parasitic flowering dodder (Cuscuta spp.) which is typical weed - alfalfa parasite that lowers hay and seed production. The paper shows the results of the analysis of influence different weed content from two lots of natural alfalfa seed (1st, 2nd) of different purity, on the relevant processing parameters. Processing of the both lots of seed was done on the same equipment. The relevant parameters that define alfalfa seed processing effects were: pure seed (%), weed seeds and seeds of other cultures (%), inert matters (%), seed processing time (h), consumption of active (kWh) and reactive power (kVArh), processed seed quantity (kg), metal powder (kg) and water (l) consumption, processing output (%) and seed losses (%).
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