Abstract
The aim of this study was to determine the effects of mutual intercropping on cadmium (Cd) accumulation in three different varieties of eggplant (Solanum melongena L.). Seedlings of three eggplant varieties (red, green and black) were intercropped with various combinations in Cd-contaminated soil and their Cd accumulation characteristics were compared. These three varieties of eggplant mutual intercropping treatments led to increased root, stem, leaf, and shoot biomasses of eggplant seedlings compared with their respective monocultures. The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures. Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures, and of red eggplant when intercropped with green eggplant, but increased those of red eggplant intercropped with black eggplant. The trends in photosynthetic pigment contents and antioxidant enzyme activity were similar to those of biomass. Mutual intercropping significantly decreased the Cd contents in roots of the three varieties of eggplant, but increased the Cd contents in their stems, leaves, and shoots. Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures. Because mutual intercropping promotes the Cd absorption of eggplant seedlings in Cd-contaminated soil, it may not be a suitable cultivation strategy for eggplant in Cd-contaminated areas.
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Claims 16
Claim · model-written summary
Three variety intercropping increased root, stem, leaf and shoot biomass versus monoculture.
- Taxon
- eggplant
Solanum melongenae0 - Treatment
- mutual intercropping treatmentse0
- Outcome
- root, stem, leaf, and shoot biomassese0
- Direction
- increasede0
- Comparator
- their respective monoculturese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These three varieties of eggplant mutual intercropping treatments led to increased root, stem, leaf, and shoot biomasses of eggplant seedlings compared with their respective monocultures.”
Claim · model-written summary
Red eggplant shoot biomass was 27.88% higher in three variety intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures.”
Claim · model-written summary
Green eggplant shoot biomass was 10.31% higher in three variety intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures.”
Claim · model-written summary
Black eggplant shoot biomass was 6.06% higher in three variety intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“The shoot biomasses of red, green, and black eggplant seedlings were 27.88%, 10.31%, and 6.06% higher in three-varieties intercropping treatment than in their respective monocultures.”
Claim · model-written summary
Mutual intercropping decreased organ biomass of green eggplant.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Mutual intercropping decreased organ biomass of black eggplant.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Red eggplant organ biomass declined with green eggplant intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“and of red eggplant when intercropped with green eggplant”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Red eggplant organ biomass increased with black eggplant intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but increased those of red eggplant intercropped with black eggplant.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Photosynthetic pigment contents followed the biomass trends.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The trends in photosynthetic pigment contents and antioxidant enzyme activity were similar to those of biomass.”
e1“three different varieties of eggplant”
e2“These three varieties of eggplant mutual intercropping treatments”
e3“biomasses of different organs”
e4“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Antioxidant enzyme activity followed the biomass trends.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The trends in photosynthetic pigment contents and antioxidant enzyme activity were similar to those of biomass.”
e1“three different varieties of eggplant”
e2“These three varieties of eggplant mutual intercropping treatments”
e3“biomasses of different organs”
e4“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Intercropping significantly lowered root cadmium in all three varieties.
- Taxon
- eggplantSolanum melongenae0
- Treatment
- Mutual intercroppinge0
- Outcome
- Cd contents in rootse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mutual intercropping significantly decreased the Cd contents in roots of the three varieties of eggplant”
Claim · model-written summary
Intercropping raised stem cadmium in all three varieties.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but increased the Cd contents in their stems, leaves, and shoots.”
e1“three different varieties of eggplant”
e2“These three varieties of eggplant mutual intercropping treatments”
e3“biomasses of different organs”
e4“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Intercropping raised leaf cadmium in all three varieties.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but increased the Cd contents in their stems, leaves, and shoots.”
e1“three different varieties of eggplant”
e2“These three varieties of eggplant mutual intercropping treatments”
e3“biomasses of different organs”
e4“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
Claim · model-written summary
Red eggplant shoot cadmium rose 21.26% under three variety intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures.”
Claim · model-written summary
Green eggplant shoot cadmium rose 39.04% under three variety intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures.”
Claim · model-written summary
Black eggplant shoot cadmium rose 4.87% under three variety intercropping.
- Taxon
- eggplantSolanum melongenae0e1e2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures.”
e1“three different varieties of eggplant”
e2“Mutual intercropping decreased the biomasses of different organs of green and black eggplant seedlings compared with their respective monocultures”
e3“Intercropping of the three eggplant varieties increased the Cd contents in shoots of red, green, and black eggplants seedlings by 21.26%, 39.04%, and 4.87%, respectively, compared with their respective monocultures.”
The same questions in other papers
intercropping · growth · Solanum melongena (eggplant)Positive and negative results
4 in the opposite direction
- positive
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1 paper more in this group
See all 5 papers →intercropping · nutrient: content · Solanum melongena (eggplant)Results agree
2 papers in the same direction as this paper
- positive
- 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.