Abstract
ABSTRACT Due to the growing risk for water shortage during the summer season, grain sorghum has become a popular alternative to maize in most drought‐prone areas of Hungary. A three‐factorial model experiment was carried out between 28 May 2024 and 11 September 2024 in Keszthely (Hungary) in order to compare the responses of P8834 maize hybrid and RTG Huggo grain sorghum hybrid to weed infestation and different levels of reproductive stage water‐deficit stress (50% and 30% water supply relative to the individual controls' water consumption). The treatments were set in a Thornthwaite‐Mather type compensation evapotranspirometer, so water consumption could be controlled and monitored. Based on the results, weed interference affected all phenological and yield attributes of both species negatively, but the interaction of weed infestation and water treatment did not enhance relative grain yield loss neither in maize ( p = 0.851) nor in grain sorghum ( p = 0.28). Since temperature conditions during the reproductive stage were more favourable for grain sorghum, the general yield surplus for sorghum over maize ( p < 0.001) was attributed to sorghum's better tolerance to temperature stress. The results also revealed that up to 50% water stress level, the yield stability and water use efficiency of grain sorghum were also better than those of maize, both in weed‐free and weed‐infested treatments. In conclusion, grain sorghum should be recommended as an alternative to maize in areas that are affected by extreme heat events and moderate water scarcity.
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Claims 8
Claim · model-written summary
Weed interference reduced the phenological and yield attributes of maize.
- Treatment
- weed interferencee1
- Interactor
- weede1weed
- Outcome
- phenological and yield attributese1
- Direction
- negativelye1
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“weed interference affected all phenological and yield attributes of both species negatively, but the interaction of weed infestation and water treatment did not enhance relative grain yield loss neither in maize ( p = 0.851) nor in grain sorghum ( p = 0.28)”
Claim · model-written summary
Weed interference reduced the phenological and yield attributes of grain sorghum.
- Taxon
- grain sorghum
Sorghum bicolore1 - Treatment
- weed interferencee1
- Interactor
- weede1weed
- Outcome
- phenological and yield attributese1
- Direction
- negativelye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“weed interference affected all phenological and yield attributes of both species negatively, but the interaction of weed infestation and water treatment did not enhance relative grain yield loss neither in maize ( p = 0.851) nor in grain sorghum ( p = 0.28)”
Claim · model-written summary
The interaction of weed infestation and water treatment did not enhance relative grain yield loss in maize.
- Treatment
- the interaction of weed infestation and water treatmente1
- Outcome
- relative grain yield losse1
- Direction
- did not enhancee1
- Value
- p = 0.851e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“weed interference affected all phenological and yield attributes of both species negatively, but the interaction of weed infestation and water treatment did not enhance relative grain yield loss neither in maize ( p = 0.851) nor in grain sorghum ( p = 0.28)”
Claim · model-written summary
The interaction of weed infestation and water treatment did not enhance relative grain yield loss in grain sorghum.
- Taxon
- grain sorghumSorghum bicolore1
- Treatment
- the interaction of weed infestation and water treatmente1
- Outcome
- relative grain yield losse1
- Direction
- did not enhancee1
- Value
- p = 0.28e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“weed interference affected all phenological and yield attributes of both species negatively, but the interaction of weed infestation and water treatment did not enhance relative grain yield loss neither in maize ( p = 0.851) nor in grain sorghum ( p = 0.28)”
Claim · model-written summary
Grain sorghum had a general yield surplus over maize.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“the general yield surplus for sorghum over maize ( p < 0.001) was attributed to sorghum's better tolerance to temperature stress”
Claim · model-written summary
The yield surplus of sorghum over maize is attributed to its better tolerance to temperature stress.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“the general yield surplus for sorghum over maize ( p < 0.001) was attributed to sorghum's better tolerance to temperature stress”
Claim · model-written summary
Up to 50% water supply, the yield stability and water use efficiency of grain sorghum were better than those of maize, in both weed-free and weed-infested treatments.
- Taxon
- grain sorghumSorghum bicolore3
- Treatment
- up to 50% water stress levele3
- Outcome
- yield stability and water use efficiencye3
- Direction
- bettere3
- Comparator
- maizee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“up to 50% water stress level, the yield stability and water use efficiency of grain sorghum were also better than those of maize, both in weed‐free and weed‐infested treatments”
Claim · model-written summary
The authors recommend grain sorghum as an alternative to maize in areas affected by extreme heat events and moderate water scarcity.
- Taxon
- grain sorghumSorghum bicolore4
- Outcome
- alternative to maizee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“grain sorghum should be recommended as an alternative to maize”
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