Abstract
1. In plant breeding and in physiological and ecological work, it is very necessary to have some accurate and practical method of measuring the transpiration of plants. 2. The potometer method does not give the normal transpiration rate of a plant, neither can it be depended upon to give a rate which is even comparative as between different plants. 3. By the method herein described the transpiration of a plant under known and constant conditions may be accurately measured. 4. It is possible by this method to demonstrate individual differences in the transpiration rates in different plants of the same species. 5. By the use of this apparatus, data may be secured to serve as a basis for plant selection and breeding.
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Claims 4
Claim · model-written summary
The potometer method did not yield a normal or reliable comparative transpiration rate.
Verbatim
e0“The potometer method does not give the normal transpiration rate of a plant, neither can it be depended upon to give a rate which is even comparative as between different plants.”
Claim · model-written summary
The described method accurately measured plant transpiration under constant conditions.
Not reportedComparatorValue
Verbatim
e0“By the method herein described the transpiration of a plant under known and constant conditions may be accurately measured.”
Claim · model-written summary
The apparatus could demonstrate individual differences in transpiration among plants of one species.
- Taxon
- plantsViridiplantaee0
- Outcome
- individual differences in the transpiration ratese0
- Comparator
- different plants of the same speciese0
Verbatim
e0“It is possible by this method to demonstrate individual differences in the transpiration rates in different plants of the same species.”
Claim · model-written summary
The apparatus could provide data for plant selection and breeding.
Not reportedComparatorValue
Verbatim
e0“By the use of this apparatus, data may be secured to serve as a basis for plant selection and breeding.”