Abstract
Sweet sorghum had favorite ability to grow well and produce high biomass under dry condition. Two sweet sorghum cultivars (Rio and Keller) and six plant densities (100000, 200000, 300000, 400000, 500000 and 600000 plants per ha), were evaluated in a split plot layout within a randomized complete block design with three replications at the Isfahan University Research Station, Isfahan, Iran in 2009. Plant density had significant effect on total dry matter of anthesis stage, hard dough stage and physiological ripening stage. No experimental characteristics significantly influences by cultivar and plant density interaction. Stem dry matter in soft dough stage, hard dough stage and physiological ripening significantly affected by cultivar. Panicle dry matter in anthesis stage, soft dough stage, hard dough stage and physiological ripening significantly influenced by plant density, but cultivar effect on panicle dry matter in these stages was not significant. LAI was significantly influenced by all growth stages, but cultivar and cultivar and plant density interaction had no significant effect on it. The highest LAI in stage that vegetative stage turn into reproductive stage was related to 600000 plants per ha. Keller had obtained the maximum stem, leaf and total dry matter in the stage that vegetative stage turn into reproductive stage. Keller also had obtained the maximum stem, leaf, panicle and total dry matter in both 50% of anthesis stage and soft dough stage. The maximum stem, leaf, panicle and total dry matter was achieved in 600000 plants per ha. After this treatment, 400000 plants per had obtained the highest these experimental characteristics. 600000 plants per ha also had obtained the highest stem, leaf, panicle and total dry matter in physiological ripening. On the basis of the result Keller and 600000 plants per ha are suitable to obtain the appropriate LAI and dry matter accumulation.
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Claims 18
Claim · model-written summary
Plant density significantly affected total dry matter at anthesis, hard dough and physiological ripening stages.
- Taxon
- sweet sorghumt0
- Treatment
- Plant densitye1
- Outcome
- total dry matter of anthesis stage, hard dough stage and physiological ripening stagee1
Not reportedComparatorDirection
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“Plant density had significant effect on total dry matter of anthesis stage, hard dough stage and physiological ripening stage.”
Claim · model-written summary
Cultivar and plant density interaction did not significantly influence the experimental characteristics.
- Taxon
- sweet sorghumt0
- Treatment
- cultivar and plant density interactione2
- Outcome
- experimental characteristicse2
Not reportedComparatorDirection
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e2“No experimental characteristics significantly influences by cultivar and plant density interaction.”
Claim · model-written summary
Stem dry matter in soft dough, hard dough and physiological ripening stages was significantly affected by cultivar.
- Taxon
- sweet sorghumt0
- Treatment
- cultivare3
- Outcome
- Stem dry matter in soft dough stage, hard dough stage and physiological ripeninge3
Not reportedComparatorDirection
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e3“Stem dry matter in soft dough stage, hard dough stage and physiological ripening significantly affected by cultivar.”
Claim · model-written summary
Plant density significantly influenced panicle dry matter at anthesis, soft dough and hard dough stages.
- Taxon
- sweet sorghumt0
- Organ / stage
- anthesis stage, soft dough stage, hard dough stagee4
- Treatment
- plant densitye4
- Outcome
- Panicle dry mattere4
Not reportedComparatorDirection
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e4“Panicle dry matter in anthesis stage, soft dough stage, hard dough stage and physiological ripening significantly influenced by plant density, but cultivar effect on panicle dry matter in these stages was not significant.”
Claim · model-written summary
Plant density significantly influenced panicle dry matter at physiological ripening.
- Taxon
- sweet sorghumt0
- Organ / stage
- physiological ripeninge4
- Treatment
- plant densitye4
- Outcome
- Panicle dry mattere4
Not reportedComparatorDirection
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e4“Panicle dry matter in anthesis stage, soft dough stage, hard dough stage and physiological ripening significantly influenced by plant density, but cultivar effect on panicle dry matter in these stages was not significant.”
Claim · model-written summary
Cultivar had no significant effect on panicle dry matter in these stages.
- Taxon
- sweet sorghumt0
- Organ / stage
- these stagese4
- Treatment
- cultivare4
- Outcome
- panicle dry mattere4
- Direction
- no_changeinferrede4
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e4“Panicle dry matter in anthesis stage, soft dough stage, hard dough stage and physiological ripening significantly influenced by plant density, but cultivar effect on panicle dry matter in these stages was not significant.”
Claim · model-written summary
LAI was significantly influenced by all growth stages.
Not reportedDirection
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e5“LAI was significantly influenced by all growth stages, but cultivar and cultivar and plant density interaction had no significant effect on it.”
Claim · model-written summary
Cultivar and cultivar-by-density interaction had no significant effect on LAI.
- Taxon
- sweet sorghumt0
- Treatment
- cultivar and cultivar and plant density interactione5
- Outcome
- LAIe5
- Direction
- no_changeinferrede5
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e5“LAI was significantly influenced by all growth stages, but cultivar and cultivar and plant density interaction had no significant effect on it.”
Claim · model-written summary
The highest LAI at the vegetative-to-reproductive transition occurred at 600000 plants per ha.
- Taxon
- sweet sorghumt0
- Treatment
- 600000 plants per hae6
- Outcome
- LAI in stage that vegetative stage turn into reproductive stagee6
- Direction
- higheste6
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e6“The highest LAI in stage that vegetative stage turn into reproductive stage was related to 600000 plants per ha.”
Claim · model-written summary
Keller had the maximum stem, leaf and total dry matter at the vegetative-to-reproductive transition.
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e7“Keller had obtained the maximum stem, leaf and total dry matter in the stage that vegetative stage turn into reproductive stage.”
Claim · model-written summary
Keller had the maximum stem, leaf and panicle dry matter at 50% anthesis and soft dough stages.
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“Keller also had obtained the maximum stem, leaf, panicle and total dry matter in both 50% of anthesis stage and soft dough stage.”
Claim · model-written summary
Keller had the maximum total dry matter at 50% anthesis and soft dough stages.
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“Keller also had obtained the maximum stem, leaf, panicle and total dry matter in both 50% of anthesis stage and soft dough stage.”
Claim · model-written summary
The maximum stem, leaf and panicle dry matter was achieved at 600000 plants per ha.
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“The maximum stem, leaf, panicle and total dry matter was achieved in 600000 plants per ha.”
Claim · model-written summary
The maximum total dry matter was achieved at 600000 plants per ha.
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“The maximum stem, leaf, panicle and total dry matter was achieved in 600000 plants per ha.”
Claim · model-written summary
The highest values of these characteristics were obtained at 400000 plants per ha after the 600000 treatment.
- Taxon
- sweet sorghumt0
- Treatment
- 400000 plants pere1
- Outcome
- these experimental characteristicse1
- Direction
- higheste1
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“After this treatment, 400000 plants per had obtained the highest these experimental characteristics.”
Claim · model-written summary
The highest stem, leaf and panicle dry matter in physiological ripening was obtained at 600000 plants per ha.
- Taxon
- sweet sorghumt0
- Organ / stage
- physiological ripeninge1
- Treatment
- 600000 plants per hae1
- Outcome
- stem, leaf, paniclee1
- Direction
- higheste1
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“600000 plants per ha also had obtained the highest stem, leaf, panicle and total dry matter in physiological ripening.”
Claim · model-written summary
The highest total dry matter in physiological ripening was obtained at 600000 plants per ha.
- Taxon
- sweet sorghumt0
- Organ / stage
- physiological ripeninge1
- Treatment
- 600000 plants per hae1
- Outcome
- total dry mattere1
- Direction
- higheste1
Not reportedComparator
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“600000 plants per ha also had obtained the highest stem, leaf, panicle and total dry matter in physiological ripening.”
Claim · model-written summary
Keller and 600000 plants per ha are suitable for obtaining appropriate LAI and dry matter accumulation.
Verbatim
t0“The effects of plant densities on LAI and dry matter of different parts of sweet sorghum cultivars.”
e1“On the basis of the result Keller and 600000 plants per ha are suitable to obtain the appropriate LAI and dry matter accumulation.”
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