Abstract
In Argentinean Pampas, new wheat ( Triticum aestivum L.) cultivars are routinely introduced to farmers for dual‐purpose production. The objective of this study was to evaluate the effect of planting date, clipping height on forage, and grain yield for wheat cultivars. Treatments were arranged as a 3 × 3 × 3 factorial distributed in a split‐split plot within a randomized complete block design. Main plots were planting date (March, April, and May); split‐plots were clipping height (3 cm, 7 cm, and no clipping); and split‐split plots were a facultative cultivar Pincen, and two nonfacultative cultivars Charrua and Bordenave 223 (Bve223). In 1995 and 1996 forage yield decreased in response to a delayed planting date from March to May, whereas in 1997 it was not affected by planting date. The 3‐cm clipping height yielded 21% more forage than plots clipped at 7 cm. Bve223 and Charrua produced significantly more forage than Pincen each year. Grain yield increased as planting date progressed from March to May. Clipping at 3 cm reduced grain yield compared with no clipping, while during 2 to 3 yr, 7 cm produced no significant change in grain yield compared with no clipping. In all years Bve223 produced more grain than Charrua or Pincen. Forage yield lost in response to later planting date ranged between 0 and 81% during the 3 yr; whereas grain yield increased from 40 to 190% for wheat planted in May compared with March. In conclusion, dual‐purpose wheat planted during April had both good forage and grain production, and its success was influenced by cultivars.
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Claims 13
Claim · model-written summary
Delaying planting from March to May reduced forage yield in 1995 and 1996.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- delayed planting date from March to Maye0
- Outcome
- forage yielde0
- Direction
- decreasede0
- Qualifier
- In 1995 and 1996e0
- Comparator
- Marche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1995 and 1996 forage yield decreased in response to a delayed planting date from March to May”
t0“Wheat”
Claim · model-written summary
Planting date did not affect forage yield in 1997.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- planting datee0
- Outcome
- forage yielde0
- Direction
- not affectede0
- Qualifier
- 1997e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1995 and 1996 forage yield decreased in response to a delayed planting date from March to May, whereas in 1997 it was not affected by planting date”
t0“Wheat”
Claim · model-written summary
Clipping at 3 cm yielded 21% more forage than clipping at 7 cm.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 3‐cm clipping heighte0
- Outcome
- foragee0
- Direction
- moree0
- Value
- 21%e0
- Comparator
- plots clipped at 7 cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The 3‐cm clipping height yielded 21% more forage than plots clipped at 7 cm”
t0“Wheat”
Claim · model-written summary
Bve223 produced more forage than Pincen each year.
- Taxon
- WheatTriticum aestivumt0
- Material
- Bve223e0
- Treatment
- Bve223e0
- Outcome
- foragee0
- Direction
- moree0
- Qualifier
- each yeare0
- Comparator
- Pincene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bve223 and Charrua produced significantly more forage than Pincen each year”
t0“Wheat”
Claim · model-written summary
Charrua produced more forage than Pincen each year.
- Taxon
- WheatTriticum aestivumt0
- Material
- Charruae0
- Treatment
- Charruae0
- Outcome
- foragee0
- Direction
- moree0
- Qualifier
- each yeare0
- Comparator
- Pincene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bve223 and Charrua produced significantly more forage than Pincen each year”
t0“Wheat”
Claim · model-written summary
Grain yield rose as planting moved from March to May.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- planting date progressed from March to Maye0
- Outcome
- Grain yielde0
- Direction
- increasede0
- Comparator
- Marche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield increased as planting date progressed from March to May”
t0“Wheat”
Claim · model-written summary
Clipping at 3 cm reduced grain yield compared with no clipping.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Clipping at 3 cme0
- Outcome
- grain yielde0
- Direction
- reducede0
- Comparator
- no clippinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clipping at 3 cm reduced grain yield compared with no clipping”
t0“Wheat”
Claim · model-written summary
Clipping at 7 cm produced no significant grain-yield change versus no clipping during two to three years.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 7 cme0
- Outcome
- grain yielde0
- Direction
- no significant changee0
- Qualifier
- during 2 to 3 yre0
- Comparator
- no clippinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“during 2 to 3 yr, 7 cm produced no significant change in grain yield compared with no clipping”
t0“Wheat”
Claim · model-written summary
Bve223 yielded more grain than Charrua in every year.
- Taxon
- WheatTriticum aestivumt0
- Material
- Bve223e0
- Treatment
- Bve223e0
- Outcome
- graine0
- Direction
- moree0
- Qualifier
- In all yearse0
- Comparator
- Charruae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all years Bve223 produced more grain than Charrua or Pincen”
t0“Wheat”
Claim · model-written summary
Bve223 yielded more grain than Pincen in every year.
- Taxon
- WheatTriticum aestivumt0
- Material
- Bve223e0
- Treatment
- Bve223e0
- Outcome
- graine0
- Direction
- moree0
- Qualifier
- In all yearse0
- Comparator
- Pincene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all years Bve223 produced more grain than Charrua or Pincen”
t0“Wheat”
Claim · model-written summary
Later planting reduced forage yield by 0–81% over three years.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- later planting datee0
- Outcome
- Forage yielde0
- Direction
- loste0
- Value
- 0 and 81%e0
- Qualifier
- during the 3 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forage yield lost in response to later planting date ranged between 0 and 81% during the 3 yr”
t0“Wheat”
Claim · model-written summary
May planting increased grain yield 40–190% versus March planting.
- Taxon
- wheatTriticum aestivume0
- Treatment
- planted in Maye0
- Outcome
- grain yielde0
- Direction
- increasede0
- Value
- 40 to 190%e0
- Comparator
- Marche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield increased from 40 to 190% for wheat planted in May compared with March”
Claim · model-written summary
The authors recommend April planting for both forage and grain production in dual-purpose wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- planted during Aprile0
- Outcome
- good forage and grain productione0
- Qualifier
- its success was influenced by cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dual‐purpose wheat planted during April had both good forage and grain production, and its success was influenced by cultivars”
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