Abstract
Organic soil amendments can influence insect pest populations and the damage to plants they cause. In this study, the effects of medicinal plant processing wastes (MPPWs) applied as organic fertilizers on the host preference and performance of Tuta absoluta and Aphis gossypii were investigated on tomato and cucumber plants, respectively. Processing wastes of cumin, rosemary, thyme, artichoke, chamomile, fenugreek, and nettle were applied in four levels of 0, 20, 40, and 80 g dry matter/1kg culture media in pot experiments. Results showed the application of MPPWs, especially 80 g of nettle, reduced the number of T. absoluta eggs (from 0.8 to 0.4 egg/leaf) and their hatching percentage (from 90 to 76%). The highest and lowest number of aphids were observed in control (36 aphids/plant) and treated cucumbers with 80 g of cumin (18 aphids/plant). Also, the lowest intrinsic rate of increase (0.08 d-1) and net reproductive rate (20 offspring) of T. absoluta were observed in tomatoes fertilized with nettle. The highest and lowest net reproductive rate of A. gossypii were obtained on control and treated plants with 80 g of nettle, respectively. Results of damage assessment showed that the percentage of dry weight loss in the aphid-infested plants was reduced by the use of MPPWs, so that lowest weight loss was observed in the treatment with 80 g of nettle. In conclusion, soil amendment using MPPWs could result in lower pest populations and may improve plant tolerance to insect pest stress, thus these by-products could be considered a valuable tool in pest management.
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Claims 8
Claim · model-written summary
Application of medicinal plant processing wastes, especially 80 g of nettle, reduced the number of Tuta absoluta eggs on tomato from 0.8 to 0.4 egg per leaf.
- Taxon
- tomato
Solanum lycopersicume1 - Treatment
- application of MPPWs, especially 80 g of nettlee0
- Interactor
- T. absoluta
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Tuta absolutae0pest - Outcome
- number of T. absoluta eggse0
- Direction
- reducede0
- Value
- from 0.8 to 0.4 egg/leafe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the application of MPPWs, especially 80 g of nettle, reduced the number of T. absoluta eggs (from 0.8 to 0.4 egg/leaf)”
e1“investigated on tomato and cucumber plants”
Claim · model-written summary
Application of medicinal plant processing wastes, especially 80 g of nettle, reduced the hatching percentage of Tuta absoluta eggs from 90 to 76%.
- Taxon
- tomatoSolanum lycopersicume2
- Treatment
- application of MPPWs, especially 80 g of nettlee0
- Interactor
- T. absolutaTuta absolutae0pest
- Outcome
- hatching percentagee1
- Direction
- reducede0
- Value
- from 90 to 76%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of MPPWs, especially 80 g of nettle, reduced the number of T. absoluta eggs”
e1“their hatching percentage (from 90 to 76%)”
e2“investigated on tomato and cucumber plants”
Claim · model-written summary
Aphid numbers were highest in control (36 aphids per plant) and lowest on cucumbers treated with 80 g of cumin waste (18 aphids per plant).
- Taxon
- cucumbers
Cucumis sativuse0 - Treatment
- 80 g of cumine0
- Interactor
- aphidsAphidomorphae0pest
- Outcome
- number of aphidse0
- Direction
- loweste0
- Value
- 18 aphids/plante0
- Qualifier
- 36 aphids/plante0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest and lowest number of aphids were observed in control (36 aphids/plant) and treated cucumbers with 80 g of cumin (18 aphids/plant)”
Claim · model-written summary
The lowest intrinsic rate of increase of Tuta absoluta (0.08 per day) was observed in tomatoes fertilized with nettle.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- fertilized with nettlee0
- Interactor
- T. absolutaTuta absolutae0pest
- Outcome
- intrinsic rate of increasee0
- Direction
- loweste0
- Value
- 0.08 d-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest intrinsic rate of increase (0.08 d-1) and net reproductive rate (20 offspring) of T. absoluta were observed in tomatoes fertilized with nettle”
Claim · model-written summary
The lowest net reproductive rate of Tuta absoluta (20 offspring) was observed in tomatoes fertilized with nettle.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- fertilized with nettlee0
- Interactor
- T. absolutaTuta absolutae0pest
- Outcome
- net reproductive ratee0
- Direction
- loweste0
- Value
- 20 offspringe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest intrinsic rate of increase (0.08 d-1) and net reproductive rate (20 offspring) of T. absoluta were observed in tomatoes fertilized with nettle”
Claim · model-written summary
The net reproductive rate of Aphis gossypii was highest on control plants and lowest on plants treated with 80 g of nettle.
- Taxon
- cucumber plantsCucumis sativuse1
- Treatment
- 80 g of nettlee0
- Interactor
- A. gossypii
Aphis gossypiie0pest - Outcome
- net reproductive ratee0
- Direction
- loweste0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest and lowest net reproductive rate of A. gossypii were obtained on control and treated plants with 80 g of nettle, respectively”
e1“cucumber plants”
Claim · model-written summary
The percentage of dry weight loss in aphid-infested plants was reduced by medicinal plant processing wastes, with the lowest loss at 80 g of nettle.
- Taxon
- plantsViridiplantaee0
- Treatment
- use of MPPWse0
- Interactor
- aphide0pest
- Outcome
- percentage of dry weight losse0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“the percentage of dry weight loss in the aphid-infested plants was reduced by the use of MPPWs, so that lowest weight loss was observed in the treatment with 80 g of nettle”
Claim · model-written summary
Soil amendment with medicinal plant processing wastes could lower pest populations and may improve plant tolerance to insect pest stress, making them useful in pest management.
Verbatim
e0“soil amendment using MPPWs could result in lower pest populations and may improve plant tolerance to insect pest stress”
The same questions in other papers
fertilization · Tuta absoluta · Solanum lycopersicum (tomato)Positive and negative results
3 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- no effect
3 papers more in this group
See all 7 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.