Abstract
ABSTRACT Aims: Little is known about the response of sweet maize to particular short- and long-termstresses such as the root restriction imposed by small plug cell trays when a transplantroutine is used. The aim of this work was to describe the effect of a transplant routine onthe physiological components of yield in two sweet maize mutants by means ofexperiments conducted in a marginal maize production area.Study Design: Two maize mutant hybrids: ‘Canner’ (su1) and ‘Butter Sweet’ (sh2) weresown in plastic plug trays (128 cells tray -1 ) and transplanted 15 days after emergence ordirect seed.Place and Duration of Study: Experiment was conducted at the INTA BalcarceExperimental Station, Argentina (37o45′ S, 58o 18′ W) during the 2009-2010 and repeatedtwice during 2010-2011 and 2011-2012 growing seasons.Methodology: Plants from direct-seeded or transplant were grown under a fieldenvironment. A randomized complete factorial design with three blocks was used.Results: Results showed that transplanted plants showed increased light interception,harvest index, and yield per unit area than direct-seeded ones. These responses wererelated to a change in leaf area development, crop architecture and anatomical traits suchas the phloem/xylem ratio and vascular bundle/mesophyll ratio.Conclusion: A change in leaf area development and crop architecture when usingtransplanted plants allow increasing sweet maize yield on an area basis. To understandOriginal Research Article
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Claims 4
Claim · model-written summary
Transplanting increased sweet maize light interception relative to direct seeding.
Verbatim
t0“Sweet Maize”
e0“transplanted plants showed increased light interception,harvest index, and yield per unit area than direct-seeded ones”
Claim · model-written summary
Transplanting increased sweet maize harvest index relative to direct seeding.
Verbatim
t0“Sweet Maize”
e0“transplanted plants showed increased light interception,harvest index, and yield per unit area than direct-seeded ones”
Claim · model-written summary
Transplanting increased sweet maize yield per unit area relative to direct seeding.
Verbatim
t0“Sweet Maize”
e0“transplanted plants showed increased light interception,harvest index, and yield per unit area than direct-seeded ones”
Claim · model-written summary
Transplant associated yield responses related to changes in leaf area development and crop architecture.
Not reportedDirection
Verbatim
t0“Sweet Maize”
e0“These responses wererelated to a change in leaf area development, crop architecture and anatomical traits suchas the phloem/xylem ratio and vascular bundle/mesophyll ratio”
The same questions in other papers
transplanting · yield · Zea mays (maize)Results differ
87 papers in the same direction as this paper · 35 in the opposite direction · 7 reporting no difference from an alternative
- no effect
- positive
- positive
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