Abstract
Soya bean plants (cv. Lee) were grown at high and low atmospheric humiditiees in controlled environments. A constant level watering system ensured an adequate supply of water at all times. Bean yields decreased at the low humidity as a result of a reduction m pod number and thus bean number, which was only partly compensated by a small increase In bean weight The reduction In pod number was related to floret abortion rather than pod abortion, and was possibly a consequence of reduced photosynthate supply. The level of humidity did not affect the protein or oil content of the seed. The lower humidity also reduced the dry weights of stems and total tops and the number of nodes per plant. The humidity level before or after flowering alone did not affect bean yield, but the humidity from the start of flowering onwards did affect the number of beans per plant. The possible significance of the results for soya bean production In the Australian environment is considered.
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Claims 9
Claim · model-written summary
Low humidity reduced soya bean yield.
Not reportedComparator
Verbatim
e0“Bean yields decreased at the low humidity”
Claim · model-written summary
Low humidity reduced pod number and consequently bean number.
Not reportedTaxonTreatmentComparator
Verbatim
e0“as a result of a reduction m pod number and thus bean number”
Claim · model-written summary
Low humidity slightly increased bean weight.
Not reportedTaxonTreatmentComparator
Verbatim
e0“only partly compensated by a small increase In bean weight”
Claim · model-written summary
The reduction in pod number was related to floret abortion rather than pod abortion.
Not reportedTaxon
Verbatim
e0“The reduction In pod number was related to floret abortion rather than pod abortion”
Claim · model-written summary
Reduced photosynthate supply was a possible cause of the pod-number reduction.
Not reportedTaxon
Verbatim
e0“was possibly a consequence of reduced photosynthate supply.”
Claim · model-written summary
Humidity did not affect seed protein or oil content.
Not reportedTaxonComparator
Verbatim
e0“The level of humidity did not affect the protein or oil content of the seed.”
Claim · model-written summary
Lower humidity reduced dry weight of stems and total tops and node number per plant.
- Treatment
- lower humiditye0
- Outcome
- dry weights of stems and total tops and the number of nodes per plante0
- Direction
- reducede0
Not reportedTaxonComparator
Verbatim
e0“The lower humidity also reduced the dry weights of stems and total tops and the number of nodes per plant.”
Claim · model-written summary
Humidity before or after flowering alone did not affect bean yield.
- Treatment
- humidity level before or after flowering alonee0
- Outcome
- bean yielde0
- Direction
- did not affecte0
Not reportedTaxonComparator
Verbatim
e0“The humidity level before or after flowering alone did not affect bean yield”
Claim · model-written summary
Humidity from the start of flowering onward affected beans per plant.
Not reportedTaxonComparatorDirection
Verbatim
e0“the humidity from the start of flowering onwards did affect the number of beans per plant.”
The same questions in other papers
humidity · yield · Phaseolus vulgaris (common bean)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
2 papers more in this group
See all 6 papers →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.