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“magnitude of decrease”

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Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Genotype rankings changed little across generations.

Taxon: SorghumSorghumt0
Outcome: genotype rankingse0
Direction: little changee0
Comparator: successive generationse0

Verbatim

e0
“General combining ability tended to decrease in successive generations, though little change occurred in genotype rankings.”
✓ located verbatim in the source · abstract, characters 401–524

t0
“Sorghum hybrids”
✓ located verbatim in the source · title, characters 116–131

Title

Studies on nature and magnitude of genetic parameters estimated in the original and advanced generations of certain Sorghum hybrids

J. N. Govil; B. R. Murty; B. K. Mukherjee 1979

Other claims from this paper (6)

Observation Yield, flowering, height, panicle and grain traits were highly heritable.
Association Additive genetic variance declined over successive generations.
Association Nonadditive genetic variance declined more than additive variance.
Association General combining ability tended to decline across generations.
Observation Specific combining ability showed no clear trend.
Association The best crosses tended to have parents with divergent general combining abilities.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

TAC remained relatively constant in unharvested summer-stressed low-water plants unless rainfall stimulated growth.

Taxon: alfalfaMedicago sativat0
Treatment: low water treatmente0
Outcome: TAC levelse0
Direction: remained relatively constante0

Verbatim

e0
“TAC levels of nonharvested summer-stressed plants in the low water treatment remained relatively constant unless rainfall occurred in sufficient magnitude to stimulate top growth, in which case a decrease in TAC levels was observed.”
✓ located verbatim in the source · abstract, characters 3020–3252

t0
“alfalfa”
✓ located verbatim in the source · title, characters 97–104

Title

Effect of water management on forage production and on carbohydrate and nitrogen constituents of alfalfa (Medicago sativa L.).

A. A. Schneiter UA Campus Repository (The University of Arizona) 1973

Other claims from this paper (19)

Observation dry matter production decreased in summer under high and medium irrigation.
Observation plant height at harvest decreased in summer under high and medium irrigation.
Observation efficiency of water use decreased in summer under high and medium irrigation.
Observation total water utilization per growth period decreased in summer under high and medium irrigation.
Observation Daily water use increased in summer under high and medium irrigation.
Intervention effect After irrigation resumed, dry matter production under low water was not significantly different from medium and high water.
Intervention effect After irrigation resumed, harvest plant height under low water was not significantly different from medium and high water.
Observation Alfalfa stand density declined across three production years.
Intervention effect Water management did not significantly influence stand decline or root distribution.
Observation Root morphology varied among genotypes, largely attributed to genetic expression.
Intervention effect Water stress significantly increased root proline content.
Intervention effect Water stress significantly decreased root arginine content.
Intervention effect Water stress significantly increased root sucrose content.
Intervention effect Water stress did not affect root fructose and glucose levels.
Observation Water-insoluble N was lower at midsummer than at the start and end of the season.
Observation Water-soluble protein was lower at midsummer than at the start and end of the season.
Intervention effect Total available carbohydrates and water-soluble protein decreased after harvest.
Observation Water-insoluble N, soluble N, protein amino acid composition and free sugar did not change during regrowth.
Observation TAC decreased in midsummer under medium and high irrigation each year.

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“magnitude of decrease”

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