Abstract
This research focused on the development of sustainable alternative methods to control aphids, giving special emphasis on cultural practices and plant management systems. Increasing the diversity within crops may have several beneficial effects on pest control, creating attractive habitats for indigenous beneficial fauna and simultaneously deterring pests (“push-pull” approach). In this field study, two wheat/pea associations (mixed cropping and strip cropping) where compared to monocultures of pea and wheat. The abundance and diversity of adult aphidophagous beneficials (predators and parasitoids) were accessed weekly, using yellow traps, while aphids were observed directly on plants. All individuals were identified down to the level of species. In both crops, the percentage of aphid infestation and density of colonies were significantly higher in monocultures during the abundance periods. The mixing was particularly beneficial for the pea, while strip cropping was more efficient for the wheat. Concerning beneficials, their abundance was also significantly higher in monocultures, comparing with the other treatments. This study shows that increasing diversity within crops can prevent them from aphid infestations. However, additional methods are needed to attract more efficiently the aphidophagous beneficials, in order to promote the natural control of aphids.
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Claims 5
Claim · model-written summary
In both pea and wheat, the percentage of aphid infestation and density of aphid colonies were significantly higher in monocultures than in the wheat/pea associations during the abundance periods.
- Taxon
- pea and wheat
Lathyrus oleraceus
Triticum aestivume0 - Treatment
- wheat/pea associations (mixed cropping and strip cropping)e0
- Interactor
- aphide1pest
- Outcome
- the percentage of aphid infestation and density of coloniese1
- Direction
- highere1
- Comparator
- monoculturese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two wheat/pea associations (mixed cropping and strip cropping) where compared to monocultures of pea and wheat”
e1“the percentage of aphid infestation and density of colonies were significantly higher in monocultures”
Claim · model-written summary
Mixed cropping was particularly beneficial for pea against aphids.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- mixinge0
- Outcome
- particularly beneficiale0
- Direction
- particularly beneficiale0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mixing was particularly beneficial for the pea”
Claim · model-written summary
Strip cropping was more efficient for wheat against aphids.
- Taxon
- wheatTriticum aestivume0
- Treatment
- strip croppinge0
- Outcome
- more efficiente0
- Direction
- more efficiente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strip cropping was more efficient for the wheat”
Claim · model-written summary
Abundance of aphidophagous beneficials was significantly higher in monocultures than in the other treatments.
Verbatim
e0“Concerning beneficials, their abundance was also significantly higher in monocultures, comparing with the other treatments”
Claim · model-written summary
The authors conclude that additional methods are needed to attract aphidophagous beneficials more efficiently to promote natural control of aphids.
Not reportedTreatmentComparatorDirection
Verbatim
e0“additional methods are needed to attract more efficiently the aphidophagous beneficials”
The same questions in other papers
intercropping · pest · Lathyrus oleraceus (pea)Positive and negative results
1 in the opposite direction
- no effect
intercropping · pest · Triticum aestivum (wheat)Positive and negative results
10 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- no effect
10 papers more in this group
See all 14 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.