Abstract
Ren, B., Zhang, J., Li, X., Fan, X., Dong, S., Liu, P. and Zhao, B. 2014. Effects of waterlogging on the yield and growth of summer maize under field conditions. Can. J. Plant Sci. 94: 23-31. A field experiment was performed to study the effects of waterlogging for different durations (3 and 6 d) on the yield and growth of summer maize at the three-leaf stage (V3), six-leaf stage (V6), and the 10th day after the tasseling stage (10VT). The results after 2 yr indicated that maize development and grain yield responses to waterlogging depended on both stress severity (intensity and duration) and different growth stage. Yield decreased significantly with an increased waterlogging duration during V3 and V6. The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively; Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively. Waterlogging also affected the growth and development of summer maize. Ear characteristics (grains per ear and 1000-grain weight) and plant morphology (plant height, ear height, and leaf area index) decreased, whereas the bald tip length increased significantly. The maximum grain-filling rate decreased under waterlogging; furthermore, the dry matter accumulation decreased and dry matter distribution proportions of the stem and leaf increased. However, the distribution proportion of grain decreased. Maize was most susceptible to waterlogging damage at V3, followed by V6 and 10VT, with damage increasing with increasing waterlogging duration.
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Claims 20
Claim · model-written summary
Denghai 605 (DH605) grain yield was 23% lower under V3-3 waterlogging than the control.
- Material
- Denghai 605 (DH605)e0
- Treatment
- V3-3e0
- Outcome
- yieldse0
- Direction
- lowere0
- Value
- 23e0
- Comparator
- control (CK)e0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
t0“summer maize”
Claim · model-written summary
Denghai 605 (DH605) grain yield was 32% lower under V3-6 waterlogging than the control.
- Material
- Denghai 605 (DH605)e0
- Treatment
- V3-6e0
- Outcome
- yieldse0
- Direction
- lowere0
- Value
- 32e0
- Comparator
- control (CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
t0“summer maize”
Claim · model-written summary
Denghai 605 (DH605) grain yield was 20% lower under V6-3 waterlogging than the control.
- Material
- Denghai 605 (DH605)e0
- Treatment
- V6-3e0
- Outcome
- yieldse0
- Direction
- lowere0
- Value
- 20e0
- Comparator
- control (CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
t0“summer maize”
Claim · model-written summary
Denghai 605 (DH605) grain yield was 24% lower under V6-6 waterlogging than the control.
- Material
- Denghai 605 (DH605)e0
- Treatment
- V6-6e0
- Outcome
- yieldse0
- Direction
- lowere0
- Value
- 24e0
- Comparator
- control (CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
t0“summer maize”
Claim · model-written summary
Denghai 605 (DH605) grain yield was 8% lower under 10VT-3 waterlogging than the control.
- Material
- Denghai 605 (DH605)e0
- Treatment
- 10VT-3e0
- Outcome
- yieldse0
- Direction
- lowere0
- Value
- 8%e0
- Comparator
- control (CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
t0“summer maize”
Claim · model-written summary
Denghai 605 (DH605) grain yield was 18% lower under 10VT-6 waterlogging than the control.
- Material
- Denghai 605 (DH605)e0
- Treatment
- 10VT-6e0
- Outcome
- yieldse0
- Direction
- lowere0
- Value
- 18%e0
- Comparator
- control (CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
t0“summer maize”
Claim · model-written summary
Zhengdan 958 (ZD958) grain yield was 21% lower under V3-3 waterlogging than the control.
- Material
- Zhengdan 958 (ZD958)e0
- Treatment
- V3-3e1
- Outcome
- Yieldse0
- Direction
- lowere0
- Value
- 21e0
- Comparator
- control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively”
t0“summer maize”
e1“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
Claim · model-written summary
Zhengdan 958 (ZD958) grain yield was 35% lower under V3-6 waterlogging than the control.
- Material
- Zhengdan 958 (ZD958)e0
- Treatment
- V3-6e1
- Outcome
- Yieldse0
- Direction
- lowere0
- Value
- 35e0
- Comparator
- control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively”
t0“summer maize”
e1“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
Claim · model-written summary
Zhengdan 958 (ZD958) grain yield was 15% lower under V6-3 waterlogging than the control.
- Material
- Zhengdan 958 (ZD958)e0
- Treatment
- V6-3e1
- Outcome
- Yieldse0
- Direction
- lowere0
- Value
- 15e0
- Comparator
- control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively”
t0“summer maize”
e1“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
Claim · model-written summary
Zhengdan 958 (ZD958) grain yield was 33% lower under V6-6 waterlogging than the control.
- Material
- Zhengdan 958 (ZD958)e0
- Treatment
- V6-6e1
- Outcome
- Yieldse0
- Direction
- lowere0
- Value
- 33e0
- Comparator
- control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively”
t0“summer maize”
e1“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
Claim · model-written summary
Zhengdan 958 (ZD958) grain yield was 7% lower under 10VT-3 waterlogging than the control.
- Material
- Zhengdan 958 (ZD958)e0
- Treatment
- 10VT-3e1
- Outcome
- Yieldse0
- Direction
- lowere0
- Value
- 7e0
- Comparator
- control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively”
t0“summer maize”
e1“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
Claim · model-written summary
Zhengdan 958 (ZD958) grain yield was 12% lower under 10VT-6 waterlogging than the control.
- Material
- Zhengdan 958 (ZD958)e0
- Treatment
- 10VT-6e1
- Outcome
- Yieldse0
- Direction
- lowere0
- Value
- 12%e0
- Comparator
- control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of Zhengdan 958 (ZD958) were lower by 21, 35, 15, 33, 7, and 12%, respectively”
t0“summer maize”
e1“The yields of maize hybrid Denghai 605 (DH605) in treatments V3-3, V3-6, V6-3, V6-6, 10VT-3, and 10VT-6 were 23, 32, 20, 24, 8, and 18% lower than those of the control (CK), respectively”
Claim · model-written summary
Longer waterlogging at V3 and V6 significantly decreased yield.
- Treatment
- increased waterlogging duratione0
- Outcome
- Yielde0
- Direction
- decreasede0
- Qualifier
- during V3 and V6e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
t0“summer maize”
Claim · model-written summary
Waterlogging decreased grains per ear and 1000-grain weight.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ear characteristics (grains per ear and 1000-grain weight) and plant morphology (plant height, ear height, and leaf area index) decreased”
t0“summer maize”
e1“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
Claim · model-written summary
Waterlogging decreased plant height, ear height and leaf area index.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant morphology (plant height, ear height, and leaf area index) decreased”
t0“summer maize”
e1“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
Claim · model-written summary
Waterlogging significantly increased bald tip length.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the bald tip length increased significantly”
t0“summer maize”
e1“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
Claim · model-written summary
Waterlogging decreased maximum grain-filling rate.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum grain-filling rate decreased under waterlogging”
t0“summer maize”
Claim · model-written summary
Waterlogging decreased dry matter accumulation.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the dry matter accumulation decreased”
t0“summer maize”
e1“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
Claim · model-written summary
Waterlogging increased the dry matter distribution proportions of the stem and leaf.
- Treatment
- waterlogginge1
- Outcome
- dry matter distribution proportions of the stem and leafe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry matter distribution proportions of the stem and leaf increased”
t0“summer maize”
e1“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
Claim · model-written summary
Waterlogging decreased the dry matter distribution proportion of grain.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the distribution proportion of grain decreased”
t0“summer maize”
e1“Yield decreased significantly with an increased waterlogging duration during V3 and V6”
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