Abstract
Six sweet potato [Ipomoea batatas (L.) Lam.] cultivars 'O49', 'A28/7', 'TIS 2328/6', 'C26/7', 'O2/62', and 'C9' were each grown in pure stands and with maize (Zea mays L.) cultivar 'X304B' planted simultaneously at two populations (18 315 and 36 630 plants ha -1 ) in two field trials. Cultivars 'C26/7', 'TIS 2328/6', and 'A28/7' produced less (P < 0.05) total dry matter in mixtures with maize than in pure stands, but harvest indices were not affected. Total and marketable tuber yields of 'TIS 2328/6' and 'C26/7' were also significantly (P < 0.05) lower in mixtures with maize due to the production of smaller tubers than those from pure stands. Intercropping with maize did not adversely affect tuber yield from 'O49' and 'A28/7'. Cultivar 'O49' was the most tolerant to intercropping, apparently because of its late tuber-bulking characteristics. In all mixtures, the joint Land Equivalent Ratio of sweet potato and maize exceeded unity, and productivity was highest in the mixture with maize planted at 18 315 plants ha -1 .
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Claims 12
Claim · model-written summary
C26/7 produced less total dry matter with maize than in pure stands.
- Taxon
- sweet potato
_Flower.jpg?width=60)
Ipomoea batatase1 - Material
- C26/7e0
- Treatment
- mixtures with maizee0
- Outcome
- total dry mattere0
- Direction
- lesse0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Flower.jpg?width=500)
Verbatim
e0“Cultivars 'C26/7', 'TIS 2328/6', and 'A28/7' produced less (P < 0.05) total dry matter in mixtures with maize than in pure stands”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
TIS 2328/6 produced less total dry matter with maize than in pure stands.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- TIS 2328/6e0
- Treatment
- mixtures with maizee0
- Outcome
- total dry mattere0
- Direction
- lesse0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivars 'C26/7', 'TIS 2328/6', and 'A28/7' produced less (P < 0.05) total dry matter in mixtures with maize than in pure stands”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
A28/7 produced less total dry matter with maize than in pure stands.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- A28/7e0
- Treatment
- mixtures with maizee0
- Outcome
- total dry mattere0
- Direction
- lesse0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivars 'C26/7', 'TIS 2328/6', and 'A28/7' produced less (P < 0.05) total dry matter in mixtures with maize than in pure stands”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
Intercropping did not affect harvest indices of the three cultivars.
- Taxon
- sweet potatoIpomoea batatase1
- Treatment
- mixtures with maizee0
- Outcome
- harvest indicese0
- Direction
- not affectede0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivars 'C26/7', 'TIS 2328/6', and 'A28/7' produced less (P < 0.05) total dry matter in mixtures with maize than in pure stands, but harvest indices were not affected.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
TIS 2328/6 had lower total and marketable tuber yields in maize mixtures than pure stands.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- TIS 2328/6e0
- Treatment
- mixtures with maizee0
- Outcome
- Total and marketable tuber yieldse0
- Direction
- lowere0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total and marketable tuber yields of 'TIS 2328/6' and 'C26/7' were also significantly (P < 0.05) lower in mixtures with maize due to the production of smaller tubers than those from pure stands.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
C26/7 had lower total and marketable tuber yields in maize mixtures than pure stands.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- C26/7e0
- Treatment
- mixtures with maizee0
- Outcome
- Total and marketable tuber yieldse0
- Direction
- lowere0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total and marketable tuber yields of 'TIS 2328/6' and 'C26/7' were also significantly (P < 0.05) lower in mixtures with maize due to the production of smaller tubers than those from pure stands.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
TIS 2328/6 and C26/7 produced smaller tubers in maize mixtures than pure stands.
- Taxon
- sweet potatoIpomoea batatase1
- Treatment
- mixtures with maizee0
- Outcome
- tuberse0
- Direction
- smallere0
- Comparator
- pure standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total and marketable tuber yields of 'TIS 2328/6' and 'C26/7' were also significantly (P < 0.05) lower in mixtures with maize due to the production of smaller tubers than those from pure stands.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
Maize intercropping did not adversely affect O49 tuber yield.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- O49e0
- Treatment
- Intercropping with maizee0
- Outcome
- tuber yielde0
- Direction
- did not adversely affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping with maize did not adversely affect tuber yield from 'O49' and 'A28/7'.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
Maize intercropping did not adversely affect A28/7 tuber yield.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- A28/7e0
- Treatment
- Intercropping with maizee0
- Outcome
- tuber yielde0
- Direction
- did not adversely affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping with maize did not adversely affect tuber yield from 'O49' and 'A28/7'.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
O49 was the most tolerant cultivar to intercropping.
- Taxon
- sweet potatoIpomoea batatase1
- Material
- O49e0
- Outcome
- tolerant to intercroppinge0
- Direction
- moste0
- Qualifier
- late tuber-bulking characteristicse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivar 'O49' was the most tolerant to intercropping, apparently because of its late tuber-bulking characteristics.”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
Claim · model-written summary
Joint land equivalent ratio exceeded unity in all sweet potato–maize mixtures.
- Taxon
- sweet potatoIpomoea batatase0
- Outcome
- joint Land Equivalent Ratioe0
- Direction
- exceedede0
- Value
- unitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all mixtures, the joint Land Equivalent Ratio of sweet potato and maize exceeded unity”
Claim · model-written summary
Productivity was highest with maize planted at 18 315 plants ha -1.
- Taxon
- sweet potatoIpomoea batatase1
- Treatment
- maize planted at 18 315 plants ha -1e0
- Outcome
- productivitye0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“productivity was highest in the mixture with maize planted at 18 315 plants ha -1 .”
e1“sweet potato [Ipomoea batatas (L.) Lam.]”
The same questions in other papers
Zea mays · growth · Ipomoea batatas (sweet potato)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
Zea mays · yield · Ipomoea batatas (sweet potato)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
intercropping · yield · Ipomoea batatas (sweet potato)Results differ
10 papers in the same direction as this paper · 13 in the opposite direction
- positive
- positive
- positive
20 papers more in this group
See all 24 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.