Abstract
Eighteen annual species (38 lines) of the genus Trifolium were sown in 1982 as nursery plots to evaluate their potential under irrigation at Kyabram in northern Victoria. A wide range in plant habit, plant growth and flowering time was observed both within and between species. This experiment was used to select species for further agronomic evaluation; those selected were T. balansae CPI45856, T. purpureum cv. Paratta, T. resupinatum cv. Maral and the subterranean clover species T. brachycalycinum cv. Clare, T. subterraneum cv. Woogenellup and T. yanninicum cv. Trikkala. Pure swards of T. balansae, T. resupinatum and a mixture of subterranean clover cultivars were sown on five occasions in 1983. The first four sowings were established by irrigation on 7 February, 28 February, 21 March and 11 April; the fifth was sown on 20 June. T. purpureum was included only on 28 February and 20 June. Establishment was low (35% of germinable seed sown) at the first two times of establishment, when temperatures and evaporation rates were high. Early establishment increased the productivity of all species, by increasing autumn-winter production with only slight indications of a decline in spring growth. Spring productivity of T. resupinatum was superior to all other species. Irrigation into early summer maintained the growth of T. resupinatum but not of the other species. Data on growth rates, in vitro dry matter digestibility and nitrogen content are also presented.
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Claims 8
Claim · model-written summary
Annual Trifolium species varied in habit, growth and flowering time.
- Outcome
- plant habit, plant growth and flowering timee0
TrifoliumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A wide range in plant habit, plant growth and flowering time was observed both within and between species.”
t0“Trifolium spp.”
Claim · model-written summary
Six named lines or cultivars were selected for further agronomic evaluation.
- Outcome
- those selectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those selected were T. balansae CPI45856, T. purpureum cv. Paratta, T. resupinatum cv. Maral and the subterranean clover species T. brachycalycinum cv. Clare, T. subterraneum cv. Woogenellup and T. yanninicum cv. Trikkala”
t0“Trifolium spp.”
Claim · model-written summary
Establishment at the first two sowings was 35% of germinable seed.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Establishment was low (35% of germinable seed sown) at the first two times of establishment, when temperatures and evaporation rates were high.”
t0“Trifolium spp.”
Claim · model-written summary
Early establishment increased autumn-winter productivity in all species.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early establishment increased the productivity of all species, by increasing autumn-winter production with only slight indications of a decline in spring growth.”
t0“Trifolium spp.”
Claim · model-written summary
Early establishment produced slight indications of lower spring growth.
- Treatment
- Early establishmente0
- Outcome
- spring growthe0
- Direction
- declinee0
- Qualifier
- only slight indicationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early establishment increased the productivity of all species, by increasing autumn-winter production with only slight indications of a decline in spring growth.”
t0“Trifolium spp.”
Claim · model-written summary
T. resupinatum had superior spring productivity.
- Taxon
- T. resupinatum
Trifolium resupinatume0 - Outcome
- Spring productivitye0
- Direction
- superiore0
- Comparator
- all other speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spring productivity of T. resupinatum was superior to all other species.”
Claim · model-written summary
Early summer irrigation maintained T. resupinatum growth.
- Taxon
- T. resupinatumTrifolium resupinatume0
- Treatment
- Irrigation into early summere0
- Outcome
- growthe0
- Direction
- maintainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation into early summer maintained the growth of T. resupinatum but not of the other species.”
Claim · model-written summary
Early summer irrigation did not maintain growth of the other species.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation into early summer maintained the growth of T. resupinatum but not of the other species.”
t0“Trifolium spp.”
The same questions in other papers
irrigation · growth · Trifolium resupinatumPositive and negative results
1 in the opposite direction
- negative
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.