Abstract
There is relatively little agronomic information on solid-seeded production of dry bean in western Canada. Recommended seeding density for dry bean can depend on the growth habit of the plant, the yield–density relationship, percent emergence, seed cost and environment. The objective of this study was to determine the yield–density relationships in two determinate bush type cultivars of dry bean and the optimum plant population under solid-seeded production in Saskatchewan. CDC Camino, a late-season pinto bean and CDC Expresso, a medium-season-length black bean were the cultivars evaluated. In most sites, the yield-density relationship of the cultivars was asymptotic and an optimum plant density for maximum yield could not be determined. Camino generally required a lower plant population to reach a given yield than Expresso. Increasing plant population did not affect 1000-seed weight. Higher seeding rate did result in a greater number of seeds produced m -2 , with Expresso having a greater increase in seed produced m -2 compared with Camino. Expresso was required to be at higher plant densities than Camino to maximize economic returns. This reflects the differences between cultivars in yield-density relationship and seed cost, as Camino has a heavier 1000-seed weight than Expresso. Saskatchewan bean growers wishing to maximize profit should target plant populations for Expresso and Camino of approximately 50 and 25 plants m -2 , respectively. Key words: Saskatchewan, yield components, non-linear regression, seeding rate, narrow rows, solid-seeded
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Claims 8
Claim · model-written summary
Yield–density relationships were asymptotic at most sites, so a density for maximum yield could not be determined.
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“In most sites, the yield-density relationship of the cultivars was asymptotic and an optimum plant density for maximum yield could not be determined.”
Claim · model-written summary
Camino required fewer plants than Expresso to reach a given yield.
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Camino generally required a lower plant population to reach a given yield than Expresso.”
Claim · model-written summary
Increasing plant population did not affect 1000-seed weight.
- Taxon
- dry beant0
- Treatment
- Increasing plant populatione0
- Outcome
- 1000-seed weighte0
- Direction
- did not affecte0
Not reportedComparator
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Increasing plant population did not affect 1000-seed weight.”
Claim · model-written summary
Higher seeding rate increased seeds per square metre, with a greater increase for Expresso than Camino.
- Taxon
- dry beant0
- Material
- Expressoe0
- Treatment
- Higher seeding ratee0
- Outcome
- seeds produced m -2e0
- Direction
- greater numbere0
- Qualifier
- compared with Caminoe0
Not reportedComparator
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Higher seeding rate did result in a greater number of seeds produced m -2 , with Expresso having a greater increase in seed produced m -2 compared with Camino.”
Claim · model-written summary
Expresso required higher plant densities than Camino for maximum economic returns.
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Expresso was required to be at higher plant densities than Camino to maximize economic returns.”
Claim · model-written summary
Camino had a heavier 1000-seed weight than Expresso.
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Camino has a heavier 1000-seed weight than Expresso.”
Claim · model-written summary
Growers should target about 50 Expresso plants per square metre for profit.
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Saskatchewan bean growers wishing to maximize profit should target plant populations for Expresso and Camino of approximately 50 and 25 plants m -2 , respectively.”
Claim · model-written summary
Growers should target about 25 Camino plants per square metre for profit.
Verbatim
t0“dry bean (Phaseolus vulgaris L.)”
e0“Saskatchewan bean growers wishing to maximize profit should target plant populations for Expresso and Camino of approximately 50 and 25 plants m -2 , respectively.”
The same questions in other papers
density · yield · Phaseolus vulgaris (common bean)Positive and negative results
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See all 81 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.