Published June 15, 2014 | Version v1
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COMPOSITION AND GERMINATION CAPABILITY OF WEED SEED BANK IN THE SOIL UNDER MAIZE

Creators

  • 1. University of Novi Sad, Faculty of Agriculture, 21000 Novi Sad, Serbia

Description

Monitoring of quantitative and qualitative properties of weed species seeds in the arable soil layer is one of the most efficient methods for prediction of weed occurrence in the field. It provides better herbicide choice, as well as their timely application. In 2011 and 2012 in two localities with similarly applied agricultural practice in maize crop, weed seed bank was studied in the arable soil layer up to 30 cm of depth. In the first locality, seeds of 12 weed species were separated. Of these species, the most numerous
were seeds of Polygonum lapathifolium and Sinapis arvenis at all studied depths, and the greatest quantity was found at the depth of 20-30 cm. The greatest number of all remaining evidenced weed species was also found at this depth. In the other locality seeds of even 15 weed species was separated, but only seeds of Amaranthus retroflexus occurred in greater quantity at all studied layers. In average, for all species, the greatest number of seeds was found in the deepest layer, but statistically significant differences were not
recorded in number of seeds per soil depth. After determination of the separated weed seeds followed their germination in climatic chamber. The highest germination percentage of 70-80% was recorded for weed species Sinapis arvensis at locality Žabalj. At locality Zmajevo, the highest germinatin was established for weed species Amaranthus retroflexus and Chenopodium album.

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17. KONSTANTINOVIĆ et al. 2014 Vol. 63, No. 1-2 pp. 131-138.pdf

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References

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