Abstract
This study was conducted to evaluate the effect of intercropping and neighbor cotton plants with other summer plants on the occurrence levels of some cotton pests in Graia village at Zagazig, Sharkia Governorate during 2003 and 2004 seasons. The results show that Intercropping cotton with tomato or onion increased Aphis gossypii ( Glover) average numbers significantly on cotton plants. While with cucumber and pepper the average numbers were decreased in both 2003 and 2004 seasons. The average numbers of Tetranychus spp. increased in intercropping system of cotton with tomato or cucumber, while the contrast results was found with onion or pepper intercropping system in comparing with the solid cotton plants during 2003 and 2004 seasons. The all intercropping systems increased the population density of Thrips tabaci (Lind.) on cotton plants in comparable with solid plants in both of seasons. The influences of intercropping systems on Bemisia tabaci (Genn.) and Empoasca sp. were differed from season to another and from system to another. With respect to the occurrence of associated natural enemies under intercropping systems, the highest population density of predators, Scymnus spp. and Orius spp. were recorded on cotton plants intercropped with tomato in both seasons. While, the highest number of predators ( Syrphus sp.,) Paederus alfierii, true spider mites, predator mite (Phytoseiulus sp.) and parasitoids, Encarsia sp. and Ertmocerus sp. were recorded on solid cotton plants compared to the intercropping systems in the two study seasons. The highest numbers of Chrysoperla carnea were detected on cotton plants intercropped with cucumber, whereas, the highest average number of Coccinella spp. recorded on cotton plants intercropped with onion in the first season and cotton plants intercropped with tomato in the second one. As neighbor effect, the numbers of Empoasca sp. and T.tabaci was increased on cotton plants, while the numbers of A. gossypii, B. tabaci and Tetranychus spp. were decreased in both of seasons 2003 and 2004. The neighbor of cotton plants by tomato, cucumber, onion or pepper was increased the numbers of predators (Chrysoperla carnea, Orius spp., Paederus alfierii) and parasitoid, Encarsia sp. on cotton plants; while the numbers of Coccinella spp. Scymnus spp., Syrphus spp., true spider mites and Ertmocerns sp. were decreased in both seasons.
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Claims 15
Claim · model-written summary
Intercropping cotton with tomato or onion increased Aphis gossypii ( Glover) average numbers significantly on cotton plants.
- Taxon
- COTTON PLANTS
Gossypium hirsutumt0 - Treatment
- tomato or onione0
- Interactor
- Aphis gossypii
Aphis gossypiie0pest - Outcome
- numberse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“Intercropping cotton with tomato or onion increased Aphis gossypii ( Glover) average numbers significantly on cotton plants.”
Claim · model-written summary
Cucumber and pepper intercropping reduced Aphis gossypii numbers.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- cucumber and peppere0
- Interactor
- Aphis gossypiiAphis gossypiie0pest
- Outcome
- Aphis gossypii ( Glover) average numberse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“Intercropping cotton with tomato or onion increased Aphis gossypii ( Glover) average numbers significantly on cotton plants. While with cucumber and pepper the average numbers were decreased”
Claim · model-written summary
Tomato or cucumber intercropping increased Tetranychus spp. numbers.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- tomato or cucumbere0
- Interactor
- Tetranychus spp.
Tetranychuse0pest - Outcome
- average numbers of Tetranychus spp.e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“The average numbers of Tetranychus spp. increased in intercropping system of cotton with tomato or cucumber”
Claim · model-written summary
Onion or pepper intercropping decreased Tetranychus spp. numbers versus solid cotton.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- onion or pepper intercropping systeme0
- Interactor
- Tetranychus spp.Tetranychuse0pest
- Outcome
- average numbers of Tetranychus spp.e0
- Direction
- decreaseinferrede0
- Comparator
- solid cotton plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“The average numbers of Tetranychus spp. increased in intercropping system of cotton with tomato or cucumber, while the contrast results was found with onion or pepper intercropping system in comparing with the solid cotton plants”
Claim · model-written summary
All intercropping systems raised Thrips tabaci population density relative to solid cotton.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- all intercropping systemse0
- Interactor
- Thrips tabaci
Thrips tabacie0pest - Outcome
- population density of Thrips tabaci (Lind.)e0
- Direction
- increasede0
- Comparator
- solid plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“The all intercropping systems increased the population density of Thrips tabaci (Lind.) on cotton plants in comparable with solid plants”
Claim · model-written summary
Bemisia tabaci and Empoasca responses to intercropping varied by season and system.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- intercropping systemse0
- Interactor
- Bemisia tabaci (Genn.)
Bemisia tabacie0pest - Outcome
- Bemisia tabaci (Genn.) and Empoasca sp.e0
EmpoascaNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“The influences of intercropping systems on Bemisia tabaci (Genn.) and Empoasca sp. were differed from season to another and from system to another”
Claim · model-written summary
Tomato intercropping produced the highest densities of Scymnus spp. and Orius spp. predators.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- intercropped with tomatoe0
- Outcome
- population density of predatorse0
- Direction
- higheste0
Scymnus
OriusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“the highest population density of predators, Scymnus spp. and Orius spp. were recorded on cotton plants intercropped with tomato”
Claim · model-written summary
Solid cotton had the highest densities of Syrphus, Paederus, spiders, Phytoseiulus and two parasitoids.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- solid cotton plantse0
- Second interactor
- Paederus alfieriie0biocontrol_agent
- Outcome
- highest number of predatorse0
- Direction
- higheste0
- Qualifier
- true spider mites, predator mite (Phytoseiulus sp.) and parasitoids, Encarsia sp. and Ertmocerus sp.e0
- Comparator
- intercropping systemse0
SyrphusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“the highest number of predators ( Syrphus sp.,) Paederus alfierii, true spider mites, predator mite (Phytoseiulus sp.) and parasitoids, Encarsia sp. and Ertmocerus sp. were recorded on solid cotton plants compared to the intercropping systems”
Claim · model-written summary
Cucumber intercropping had the highest Chrysoperla carnea numbers.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- intercropped with cucumbere0
- Interactor
- Chrysoperla carnea
_Chrysoperla_carnea_-_dorsal_view.jpg?width=60)
Chrysoperla carneae0biocontrol_agent - Outcome
- numbers of Chrysoperla carneae0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Chrysoperla_carnea_-_dorsal_view.jpg?width=500)
Verbatim
t0“COTTON PLANTS”
e0“The highest numbers of Chrysoperla carnea were detected on cotton plants intercropped with cucumber”
Claim · model-written summary
Onion intercropping had the highest Coccinella numbers in the first season.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- intercropped with onione0
- Interactor
- Coccinella spp.
Coccinellae0biocontrol_agent - Outcome
- average number of Coccinella spp.e0
- Direction
- higheste0
- Qualifier
- first seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“the highest average number of Coccinella spp. recorded on cotton plants intercropped with onion in the first season”
Claim · model-written summary
Tomato intercropping had the highest Coccinella numbers in the second season.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- intercropped with tomatoe0
- Interactor
- Coccinella spp.Coccinellae0biocontrol_agent
- Outcome
- average number of Coccinella spp.e0
- Direction
- higheste0
- Qualifier
- second onee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“the highest average number of Coccinella spp. recorded on cotton plants intercropped with onion in the first season and cotton plants intercropped with tomato in the second one”
Claim · model-written summary
Neighbor crops increased Empoasca and Thrips tabaci on cotton.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- neighbor effecte0
- Second interactor
- T.tabaciThrips tabacie0pest
- Outcome
- numbers of Empoasca sp. and T.tabacie0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“As neighbor effect, the numbers of Empoasca sp. and T.tabaci was increased on cotton plants”
Claim · model-written summary
Neighbor crops decreased Aphis gossypii, Bemisia tabaci and Tetranychus numbers.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Interactor
- A. gossypiiAphis gossypiie0pest
- Second interactor
- B. tabaciBemisia tabacie0pest
- Outcome
- numbers of A. gossypii, B. tabaci and Tetranychus spp.e0
- Direction
- decreasede0
- Qualifier
- Tetranychus spp.e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“the numbers of A. gossypii, B. tabaci and Tetranychus spp. were decreased in both of seasons 2003 and 2004”
Claim · model-written summary
Neighbor crops increased Chrysoperla, Orius, Paederus and Encarsia on cotton.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Treatment
- neighbor of cotton plants by tomato, cucumber, onion or peppere0
- Interactor
- Chrysoperla carneaChrysoperla carneae0biocontrol_agent
- Outcome
- numbers of predatorse0
- Direction
- increasede0
- Qualifier
- Paederus alfieriie0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“The neighbor of cotton plants by tomato, cucumber, onion or pepper was increased the numbers of predators (Chrysoperla carnea, Orius spp., Paederus alfierii) and parasitoid, Encarsia sp. on cotton plants”
Claim · model-written summary
Neighbor crops decreased Coccinella, Scymnus, Syrphus, spiders and Ertmocerns.
- Taxon
- COTTON PLANTSGossypium hirsutumt0
- Interactor
- Coccinella spp.Coccinellae0biocontrol_agent
- Outcome
- numbers of Coccinella spp. Scymnus spp., Syrphus spp., true spider mites and Ertmocerns sp.e0
- Direction
- decreasede0
- Qualifier
- Syrphus spp., true spider mites and Ertmocerns sp.e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON PLANTS”
e0“the numbers of Coccinella spp. Scymnus spp., Syrphus spp., true spider mites and Ertmocerns sp. were decreased in both seasons”
The same questions in other papers
Allium cepa · Aphis gossypii · Gossypium hirsutum (cotton)Positive and negative results
1 in the opposite direction
- positive
intercropping · Chrysoperla carnea · Gossypium hirsutum (cotton)Results agree
1 paper in the same direction as this paper
- positive
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.