Abstract
To examine the effect of nitrogen, phosphorus and seed inoculation on dry matter partitioning and enzymatic activities in French bean, a field experiment was conducted in partially reclaimed salt affected soil of eastern Uttar Pradesh with 32 treatments and 3 replications. Both, dry matter accumulation and enzymatic activities were influenced by the levels of nitrogen and phosphorus and inoculation of seeds with Rhizobium tropici. The highest amount of dry matter accumulation at 30 and 75 day stages of plant growth (1460.6 mg and 13.086g plant−1 respectively) were recorded with 120 Kg N ha−1 + 120 Kg P2O5 ha−1 especially under non- inoculated conditions. However, starter dose of nitrogen (40 Kg ha−1) along with 120 Kg P2O5 ha−1 was found significantly superior to rest of the treatments to augment dry matter accumulation. The highest fraction of dry matter accumulated in leaf and the lowest in root at 30 day stage of plant, however, pattern of dry matter partitioning changed to Pod • Stem • Leaf • Root at 75 day stage. The contents of nitrite reductase (5.52 μmol NO2 reduced g−1 fresh wt. h−1) and nitrate reductase (3.32 μmol NO3 reduced g−1 fresh wt. h−1) were found to be the highest in non-inoculated plants treated with 120 Kg N ha−1 + 120 Kg P2O5 ha−1, whereas, the highest content of these enzymes in inoculated plants were recorded with N40P120S1. Leg haemoglobin, an indicator of biological N2-fixation was found only in inoculated plants and the highest amount (205 n mol g−1 nodules) was recorded in root nodules of French bean plants treated with N40P120S1. Increasing levels of nitrogen improved nitrite and nitrate reductase status of inoculated plants, but decreased leg haemoglobin content in root nodules. Phosphorus application found to be beneficial to increase enzymatic activities in both inoculated and non-inoculated plants. Protein content and grain yield of French bean were also influenced by the application of nitrogen and phosphorus and inoculation of seeds with Rhizobium tropici. The highest grain protein (23.3%) and seed yield (1.73 t ha−1) were recorded with N40P120S1.
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Claims 15
Claim · model-written summary
Dry matter accumulation was highest at 30 days with 120 Kg N ha−1 + 120 Kg P2O5 ha−1 under non-inoculated conditions.
- Taxon
- french bean
Phaseolus vulgarist0 - Treatment
- 120 Kg N ha−1 + 120 Kg P2O5 ha−1e0
- Outcome
- dry matter accumulatione0
- Direction
- higheste0
- Value
- 1460.6 mge0
- Qualifier
- 30 and 75 day stages of plant growthe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest amount of dry matter accumulation at 30 and 75 day stages of plant growth (1460.6 mg and 13.086g plant−1 respectively) were recorded with 120 Kg N ha−1 + 120 Kg P2O5 ha−1 especially under non- inoculated conditions”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Dry matter accumulation was highest at 75 days with the same fertilizer under non-inoculated conditions.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- 120 Kg N ha−1 + 120 Kg P2O5 ha−1e0
- Outcome
- dry matter accumulatione0
- Direction
- higheste0
- Value
- 13.086g plant−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest amount of dry matter accumulation at 30 and 75 day stages of plant growth (1460.6 mg and 13.086g plant−1 respectively) were recorded with 120 Kg N ha−1 + 120 Kg P2O5 ha−1 especially under non- inoculated conditions”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
A starter nitrogen dose with phosphorus significantly increased dry matter relative to other treatments.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- nitrogen (40 Kg ha−1) along with 120 Kg P2O5 ha−1e0
- Outcome
- dry matter accumulatione0
- Direction
- augmente0
- Comparator
- rest of the treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“starter dose of nitrogen (40 Kg ha−1) along with 120 Kg P2O5 ha−1 was found significantly superior to rest of the treatments to augment dry matter accumulation”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
At 30 days dry matter was highest in leaf and lowest in root.
- Taxon
- french beanPhaseolus vulgarist0
- Organ / stage
- leafe0
- Outcome
- fraction of dry matter accumulatede0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest fraction of dry matter accumulated in leaf and the lowest in root at 30 day stage of plant”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
At 75 days dry matter partitioning ranked pod, stem, leaf, root.
- Taxon
- french beanPhaseolus vulgarist0
- Outcome
- pattern of dry matter partitioninge0
- Direction
- changede0
- Qualifier
- Pod • Stem • Leaf • Roote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pattern of dry matter partitioning changed to Pod • Stem • Leaf • Root at 75 day stage”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Nitrite reductase was highest at 5.52 μmol NO2 reduced g−1 fresh wt. h−1 in non-inoculated high N and P plants.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- 120 Kg N ha−1 + 120 Kg P2O5 ha−1e0
- Gene
- nitrite reductasee0
- Outcome
- nitrite reductasee0
- Direction
- higheste0
- Value
- 5.52 μmol NO2 reduced g−1 fresh wt. h−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrite reductase (5.52 μmol NO2 reduced g−1 fresh wt. h−1) and nitrate reductase (3.32 μmol NO3 reduced g−1 fresh wt. h−1) were found to be the highest in non-inoculated plants treated with 120 Kg N ha−1 + 120 Kg P2O5 ha−1”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Nitrate reductase was highest at 3.32 μmol NO3 reduced g−1 fresh wt. h−1 in non-inoculated high N and P plants.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- 120 Kg N ha−1 + 120 Kg P2O5 ha−1e0
- Gene
- nitrate reductasee0
- Outcome
- nitrate reductasee0
- Direction
- higheste0
- Value
- 3.32 μmol NO3 reduced g−1 fresh wt. h−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrite reductase (5.52 μmol NO2 reduced g−1 fresh wt. h−1) and nitrate reductase (3.32 μmol NO3 reduced g−1 fresh wt. h−1) were found to be the highest in non-inoculated plants treated with 120 Kg N ha−1 + 120 Kg P2O5 ha−1”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
In inoculated plants the highest reductase contents occurred with N40P120S1.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- N40P120S1e0
- Outcome
- content of these enzymese0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest content of these enzymes in inoculated plants were recorded with N40P120S1”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Leg haemoglobin was found only in inoculated plants.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- inoculatede0
- Outcome
- Leg haemoglobine0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leg haemoglobin, an indicator of biological N2-fixation was found only in inoculated plants”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Root nodule leg haemoglobin peaked at 205 n mol g−1 nodules under N40P120S1.
- Taxon
- French beanPhaseolus vulgarise0
- Organ / stage
- root nodulese0
- Treatment
- N40P120S1e0
- Outcome
- highest amounte0
- Direction
- higheste0
- Value
- 205 n mol g−1 nodulese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest amount (205 n mol g−1 nodules) was recorded in root nodules of French bean plants treated with N40P120S1”
Claim · model-written summary
Increasing nitrogen improved nitrite and nitrate reductase status in inoculated plants.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- Increasing levels of nitrogene0
- Outcome
- nitrite and nitrate reductase statuse0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing levels of nitrogen improved nitrite and nitrate reductase status of inoculated plants”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Increasing nitrogen decreased nodule leg haemoglobin in inoculated plants.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- Increasing levels of nitrogene0
- Outcome
- leg haemoglobin content in root nodulese0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing levels of nitrogen improved nitrite and nitrate reductase status of inoculated plants, but decreased leg haemoglobin content in root nodules”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Phosphorus increased enzyme activity in inoculated and non-inoculated plants.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- Phosphorus applicatione0
- Outcome
- enzymatic activitiese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphorus application found to be beneficial to increase enzymatic activities in both inoculated and non-inoculated plants”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Grain protein peaked at 23.3% with N40P120S1.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- N40P120S1e0
- Outcome
- grain proteine0
- Direction
- higheste0
- Value
- 23.3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest grain protein (23.3%) and seed yield (1.73 t ha−1) were recorded with N40P120S1”
t0“french bean (Phaseolus vulgaris L)”
Claim · model-written summary
Seed yield peaked at 1.73 t ha−1 with N40P120S1.
- Taxon
- french beanPhaseolus vulgarist0
- Treatment
- N40P120S1e0
- Outcome
- seed yielde0
- Direction
- higheste0
- Value
- 1.73 t ha−1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest grain protein (23.3%) and seed yield (1.73 t ha−1) were recorded with N40P120S1”
t0“french bean (Phaseolus vulgaris L)”
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