Plant Protect. Sci., 2016, 52(1):64-69 | DOI: 10.17221/78/2015-PPS

Inhibiting effect of shallow seed burial on grass weed emergenceOriginal Paper

Donato Loddo1, Vasileios P. Vasileiadis1, Roberta Masin2, Maria C. Zuin1, Giuseppe Zanin2
1 Institute of Agro-Environmental and Forest Biology, CNR, Legnaro (PD), Italy
2 Department of Agronomy, Food, Natural Resources, Animals & Environment, University of Padova, Legnaro (PD), Italy

The efficacy of superficial tillage as a sustainable tool to reduce the emergence of Digitaria sanguinalis, Setaria viridis, and Sorghum halepense was evaluated with field experiments. Seeds were buried at 1, 2, 5, and 10 cm of depth to simulate seed vertical distribution caused by autumn superficial tillage. Seedling emergence was monitored weekly for two years after sowing. The highest emergence was obtained in the first year after sowing and from 1 and 2 cm. Sorghum halepense was only slightly affected by seed burial, with 15% of emergence from 10 cm of depth, while D. sanguinalis was strongly affected, with 4% of emergence from 5 cm. The efficacy of superficial tillage as control tool could vary according to local weed flora.

Keywords: Digitaria sanguinalis (L.) Scop.; Setaria viridis (L.) Beauv.; Sorghum halepense (L.) Pers; conservation tillage; weed control; seedling emergence

Published: March 31, 2016  Show citation

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Loddo D, Vasileiadis VP, Masin R, Zuin MC, Zanin G. Inhibiting effect of shallow seed burial on grass weed emergence. Plant Protect. Sci.. 2016;52(1):64-69. doi: 10.17221/78/2015-PPS.
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