Abstract
Grain and forage production of six accessions (Rongai, Highworth, T58/ 13, CPI 3 1 1 13, CPI 41 222 and CPI 60 216) of lablab bean (Lablab purpureus) were measured over two seasons in the Ord Irrigation Area. All accessions were quantitative short day plants, flowering during the early dry season (May-July). Forage yields at flowering were generally unaffected by sowing date for sowings made between December and February, but declined with later sowings. There were marked differences between accessions in the forage yield at flowering, and the peak yield of 8.6 t/ha was obtained with a December sowing of accessions T58/ 13; this comprised 3.6 t/ha of leaf containing 3.7% nitrogen and 5.0 t/ha of stem containing 1.1 % nitrogen. The uptake of nitrogen by the tops between sowing and flowering ranged up to 1.8 kg/ha.d (1 94 kg N in 108 days) indicating the potential value of lablab as a green manure crop. Grain yields ranged from 0.27 to 3.05 t/ha over all sowing dates and accessions with the peak yield being obtained in a February sowing of cv. Highworth. All accessions became smaller and bushier as sowing was delayed. This facilitated harvesting for grain. Cutting and removal of foliage at the onset of flowering led to rapid regrowth and renewed flowering, and gave grain yields up to 90% of those obtained from undefoliated treatments. The cultivar Highworth was best for grain production and for dual purpose forage and grain production.
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Claims 18
Claim · model-written summary
All lablab bean accessions were quantitative short-day plants flowering in the early dry season.
Verbatim
t0“Lablab bean”
e1“All accessions were quantitative short day plants, flowering during the early dry season (May-July)”
Claim · model-written summary
Forage yield at flowering was generally unaffected by sowing between December and February.
Verbatim
t0“Lablab bean”
e2“Forage yields at flowering were generally unaffected by sowing date for sowings made between December and February, but declined with later sowings”
Claim · model-written summary
Forage yield at flowering declined with sowings later than December to February.
Verbatim
t0“Lablab bean”
e2“Forage yields at flowering were generally unaffected by sowing date for sowings made between December and February, but declined with later sowings”
Claim · model-written summary
Forage yield at flowering showed marked differences between lablab bean accessions.
Verbatim
t0“Lablab bean”
e3“There were marked differences between accessions in the forage yield at flowering”
Claim · model-written summary
The peak forage yield at flowering was 8.6 t/ha, from a December sowing of accession T58/ 13.
Verbatim
t0“Lablab bean”
e4“the peak yield of 8.6 t/ha was obtained with a December sowing of accessions T58/ 13”
Claim · model-written summary
Leaf forage yield at the peak was 3.6 t/ha from accession T58/ 13.
Verbatim
t0“Lablab bean”
e4“the peak yield of 8.6 t/ha was obtained with a December sowing of accessions T58/ 13”
e5“this comprised 3.6 t/ha of leaf containing 3.7% nitrogen”
Claim · model-written summary
Leaf of the peak-yield accession contained 3.7% nitrogen.
Verbatim
t0“Lablab bean”
e5“this comprised 3.6 t/ha of leaf containing 3.7% nitrogen”
Claim · model-written summary
Stem forage yield at the peak was 5.0 t/ha from accession T58/ 13.
Verbatim
t0“Lablab bean”
e4“the peak yield of 8.6 t/ha was obtained with a December sowing of accessions T58/ 13”
e6“and 5.0 t/ha of stem containing 1.1 % nitrogen”
Claim · model-written summary
Stem of the peak-yield accession contained 1.1 % nitrogen.
Verbatim
t0“Lablab bean”
e6“and 5.0 t/ha of stem containing 1.1 % nitrogen”
Claim · model-written summary
Nitrogen uptake by the tops between sowing and flowering ranged up to 1.8 kg/ha.d.
Verbatim
t0“Lablab bean”
e7“The uptake of nitrogen by the tops between sowing and flowering ranged up to 1.8 kg/ha.d (1 94 kg N in 108 days)”
Claim · model-written summary
Total nitrogen uptake by the tops was 1 94 kg N in 108 days.
Verbatim
t0“Lablab bean”
e7“The uptake of nitrogen by the tops between sowing and flowering ranged up to 1.8 kg/ha.d (1 94 kg N in 108 days)”
Claim · model-written summary
Lablab is of potential value as a green manure crop.
- Outcome
- potential valuee1
LablabOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Lablab bean”
e1“indicating the potential value of lablab as a green manure crop”
Claim · model-written summary
Grain yields ranged from 0.27 to 3.05 t/ha across all sowing dates and accessions.
Verbatim
t0“Lablab bean”
e1“Grain yields ranged from 0.27 to 3.05 t/ha over all sowing dates and accessions”
Claim · model-written summary
The peak grain yield was obtained from a February sowing of cultivar Highworth.
Verbatim
t0“Lablab bean”
e1“with the peak yield being obtained in a February sowing of cv. Highworth”
Claim · model-written summary
Accessions became smaller and bushier as sowing was delayed.
Not reportedComparator
Verbatim
t0“Lablab bean”
e1“All accessions became smaller and bushier as sowing was delayed”
Claim · model-written summary
Cutting and removal of foliage at the onset of flowering led to rapid regrowth and renewed flowering.
- Taxon
- lablab beant0
- Treatment
- Cutting and removal of foliage at the onset of floweringe1
- Outcome
- rapid regrowth and renewed floweringe1
Not reportedComparatorDirection
Verbatim
t0“Lablab bean”
e1“Cutting and removal of foliage at the onset of flowering led to rapid regrowth and renewed flowering”
Claim · model-written summary
Defoliated lablab gave grain yields up to 90% of those of undefoliated treatments.
Verbatim
t0“Lablab bean”
e1“Cutting and removal of foliage at the onset of flowering led to rapid regrowth and renewed flowering”
e2“and gave grain yields up to 90% of those obtained from undefoliated treatments”
Claim · model-written summary
Cultivar Highworth was best for grain production and for dual-purpose forage and grain production.
Verbatim
t0“Lablab bean”
e1“The cultivar Highworth was best for grain production and for dual purpose forage and grain production”