Abstract
Abstract BACKGROUND: Fusarium ear rot and fumonisin contamination are serious problems for maize growers. The lack of maize genotypes highly resistant to fumonisin contamination emphasises the need for management strategies to prevent contamination by this mycotoxin. There are conflicting reports regarding no‐till and nitrogen (N) fertilisation practices in relation to the incidence of fumonisins. In this study the effect of no‐till compared with conventional tillage and of N fertilisation rates on fumonisin occurrence was investigated over three years in Northern Italy. RESULTS: The average contamination of grain by fumonisins B 1 and B 2 over the three years was significantly different, with a lower value in 2000 (516 µg kg −1 ) than in the other years (5846 and 3269 µg kg −1 in 2001 and 2002 respectively). Conventional tillage and no‐till treatments had no significant effect on the incidence of fumonisins. This finding suggests that above‐ground residues infected by Fusarium would not lead to an increase in fumonisin incidence. However, N fertilisation significantly increased fumonisin levels, by 99 and 70% in 2000 and 2001 respectively. CONCLUSION: Maize monoculture does not show a cumulative effect on the occurrence of fumonisins, while high rates of N fertiliser consistently result in elevated fumonisin levels. Both these effects can be influenced by annual meteorological fluctuations. Copyright © 2008 Society of Chemical Industry
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Claims 5
Claim · model-written summary
Grain fumonisin contamination was lower in 2000 than in 2001 and 2002.
- Outcome
- contamination of grain by fumonisins B 1 and B 2e0
- Direction
- lowere0
- Value
- 516 µg kg −1e0
- Setting
- Northern Italye1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average contamination of grain by fumonisins B 1 and B 2 over the three years was significantly different, with a lower value in 2000 (516 µg kg −1 ) than in the other years (5846 and 3269 µg kg −1 in 2001 and 2002 respectively)”
t0“maize”
e1“Northern Italy”
Claim · model-written summary
Conventional tillage and no-till did not significantly differ in fumonisin incidence.
- Treatment
- Conventional tillagee0
- Outcome
- incidence of fumonisinse0
- Direction
- no significant effecte0
- Comparator
- no‐tille0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conventional tillage and no‐till treatments had no significant effect on the incidence of fumonisins”
t0“maize”
Claim · model-written summary
Nitrogen fertilisation raised fumonisin levels by 99% in 2000.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N fertilisation significantly increased fumonisin levels, by 99 and 70% in 2000 and 2001 respectively”
t0“maize”
Claim · model-written summary
Nitrogen fertilisation raised fumonisin levels by 70% in 2001.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N fertilisation significantly increased fumonisin levels, by 99 and 70% in 2000 and 2001 respectively”
t0“maize”
Claim · model-written summary
Maize monoculture showed no cumulative fumonisin occurrence.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize monoculture does not show a cumulative effect on the occurrence of fumonisins”
The same questions in other papers
fertilization · disease · Zea mays (maize)Results differ
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- no effect
- positive
- positive
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See all 84 papers →tillage · disease · Zea mays (maize)Positive and negative results
20 papers in the same direction as this paper · 33 reporting no difference from an alternative
- negative
- negative
- positive
50 papers more in this group
See all 54 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.