Abstract
The impact of drought stress and micronutrient foliar application on dry matter accumulation in different parts of soybean plant was studied in Kermanshah, Iran in 2010 growing season. The experiment was conducted as a split plot based Randomized Complete Block with three replications. In this research, treatments included four irrigation regimes and eight micronutrient foliar applications. At the V4 growth stage, the plots were sprayed twice (with one week interval) with 0.5% (w/v) or distilled water until the leaves were wet.At the end of growing season, plants were cut near soil surface and leaf area was calculated after which different parts of plant were separated, dried and weighed. Based on results obtained, except for total dry weight, other evaluated traits were affected by irrigation treatments at 1% level.In addition, micronutrients foliar applications had significant effects on leaf area index and pod dry weight (P<0.01) and had no effect on leaf, stem, grain, and total dry weight.The highest value of leaf area index was achieved with the combination ofmanganese and iron foliar sprays. Also, the most leaf dry weight was observed in Zn-Mn foliar application under regular irrigation. Withholding irrigation at pod set stage had the greatest impact on grain dry weight, while, micronutrients foliar treatments had no significant impact on this trait.
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Claims 8
Claim · model-written summary
Irrigation affected evaluated soybean traits except total dry weight at the 1% level.
- Taxon
- soybean
Glycine maxt0 - Treatment
- irrigation treatmentse0
- Outcome
- other evaluated traitse0
- Qualifier
- except for total dry weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“except for total dry weight, other evaluated traits were affected by irrigation treatments at 1% level”
Claim · model-written summary
Micronutrient sprays significantly affected soybean leaf area index and pod dry weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- micronutrients foliar applicationse0
- Outcome
- leaf area index and pod dry weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“micronutrients foliar applications had significant effects on leaf area index and pod dry weight (P<0.01)”
Claim · model-written summary
Micronutrient sprays had no effect on leaf, stem and grain dry weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- micronutrients foliar applicationse0
- Outcome
- leaf, stem, graine0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“micronutrients foliar applications had significant effects on leaf area index and pod dry weight (P<0.01) and had no effect on leaf, stem, grain, and total dry weight”
Claim · model-written summary
Micronutrient sprays had no effect on total dry weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- micronutrients foliar applicationse0
- Outcome
- total dry weighte0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“micronutrients foliar applications had significant effects on leaf area index and pod dry weight (P<0.01) and had no effect on leaf, stem, grain, and total dry weight”
Claim · model-written summary
Manganese and iron sprays gave the highest leaf area index.
- Taxon
- soybeanGlycine maxt0
- Treatment
- combination ofmanganese and iron foliar sprayse0
- Outcome
- leaf area indexe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“The highest value of leaf area index was achieved with the combination ofmanganese and iron foliar sprays”
Claim · model-written summary
Zn-Mn sprays under regular irrigation gave the greatest leaf dry weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Zn-Mn foliar applicatione0
- Outcome
- leaf dry weighte0
- Direction
- moste0
- Qualifier
- under regular irrigatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“the most leaf dry weight was observed in Zn-Mn foliar application under regular irrigation”
Claim · model-written summary
Withholding irrigation at pod set had the greatest impact on grain dry weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Withholding irrigation at pod set stagee0
- Outcome
- grain dry weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“Withholding irrigation at pod set stage had the greatest impact on grain dry weight”
Claim · model-written summary
Micronutrient sprays had no significant impact on grain dry weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- micronutrients foliar treatmentse0
- Outcome
- grain dry weighte1
- Direction
- no significant impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“micronutrients foliar treatments had no significant impact on this trait”
e1“grain dry weight”
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