Abstract
Effect of water stress on flowering of ‘Meiwa’ kumquat trees (Fortunella crassifolia Swingle) was examined to establish a cultivation system for the first-flush flowers. Water stress was established by withholding water until the soil water content reached 45% for moderate water stress treatment, and 35% for severe water stress treatment. Although three sequential flowerings were observed on the control trees, only one flowering was observed on the water-stressed trees. In the control plot, flowering of the first-flush flowers began on 28 June, and about 10 flowers opened per day. Flowering of the second-flush flowers began on 6 July and the number of flowers opened per day reached 300. In moderate water stress treatment, flowering began on 25 June, and lasted until late July without interruption. Therefore, it was difficult to distinguish between the first- to third-flush flowers. In severe water stress treatment, flowering of the first-flush flowers began on 28 June and the number of flowers opened per day reached more than 200. Water stress did not affect fruit growth or quality of fruit. These results indicate that the number of first-flush flowers increases under water stress after termination of new shoot growth and that the required duration of water stress is about 2 weeks.
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Claims 9
Claim · model-written summary
Water-stressed trees had one flowering versus three sequential flowerings in controls.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“Although three sequential flowerings were observed on the control trees, only one flowering was observed on the water-stressed trees.”
Claim · model-written summary
Control trees began first-flush flowering on 28 June with about 10 flowers opening daily.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“In the control plot, flowering of the first-flush flowers began on 28 June, and about 10 flowers opened per day.”
Claim · model-written summary
Control trees began second-flush flowering on 6 July and reached 300 opened flowers daily.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“Flowering of the second-flush flowers began on 6 July and the number of flowers opened per day reached 300.”
Claim · model-written summary
Under moderate water stress, flowering began on 25 June and continued until late July without interruption.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“In moderate water stress treatment, flowering began on 25 June, and lasted until late July without interruption.”
Claim · model-written summary
Under moderate stress, first- through third-flush flowers were difficult to distinguish.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“Therefore, it was difficult to distinguish between the first- to third-flush flowers.”
Claim · model-written summary
Under severe water stress, first-flush flowering began on 28 June and daily flower opening exceeded 200.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“In severe water stress treatment, flowering of the first-flush flowers began on 28 June and the number of flowers opened per day reached more than 200.”
Claim · model-written summary
Water stress did not affect fruit growth or quality.
- Taxon
- 'Meiwa' Kumquat Treest0
- Treatment
- Water stresse0
- Outcome
- fruit growth or quality of fruite0
- Direction
- did not affecte0
Not reportedComparator
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“Water stress did not affect fruit growth or quality of fruit.”
Claim · model-written summary
The authors concluded that water stress after new shoot growth increases first-flush flower number.
- Taxon
- 'Meiwa' Kumquat Treest0
- Treatment
- water stresse0
- Outcome
- number of first-flush flowerse0
- Direction
- increasese0
- Qualifier
- after termination of new shoot growthe0
Not reportedComparator
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“the number of first-flush flowers increases under water stress after termination of new shoot growth”
Claim · model-written summary
The authors estimated that water stress needs to last about two weeks.
Verbatim
t0“'Meiwa' Kumquat Trees”
e0“the required duration of water stress is about 2 weeks”
The same questions in other papers
drought · phenology · Citrus japonica (meiwa kumquat)Results agree
1 paper in the same direction as this paper
- positive
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.