Abstract
One of the important objectives during the production cycle of ornamental plants is to regulate and control their growth. Hence, application of some plant growth regulators such as uniconazole (UN) and cycocel (CCC) is considered as an efficient method for reaching to this objective. To investigation the effect of uniconazole and cycocel on some morphological and biochemical characteristics of zinnia, a factorial experiment was conducted in a completely randomized design with five replications. Application of UN (0, 5 and 10 mg L-1) and CCC (0, 1000 and 1500 mg L-1) as growth retardants, was considered as the first and their application method (leaf spraying and soil application) was considered as the second factor. The effect of growth retardants on plant height, Time of flowering, peroxidase activity, endogenous gibberellins and leaf area were significant. The lowest plant height was observed in soil application of 10 mg L-1 UN. The tallest plant was observed in the control treatment. Growth retardants had significant effects on endogenous gibberellins and leaf chlorophyll contents. Highest activity of peroxidase enzyme was detected in plants treated by 10 mg L-1 UN. The highest and lowest numbers of leaves (21.6 and 16.4 leaves, respectively) were counted in control and 5 mg L-1 UN, respectively. According to the obtained results, the use of growth retardants is recommended to reduce the height and improve the qualitative and quantitative characteristics of zinnia flower.
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Claims 12
Claim · model-written summary
Growth retardants significantly affected plant height in zinnia.
ZinniaNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e1“The effect of growth retardants on plant height, Time of flowering, peroxidase activity, endogenous gibberellins and leaf area were significant”
Claim · model-written summary
Growth retardants significantly affected the time of flowering in zinnia.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e1“The effect of growth retardants on plant height, Time of flowering, peroxidase activity, endogenous gibberellins and leaf area were significant”
Claim · model-written summary
Growth retardants significantly affected peroxidase activity in zinnia.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e1“The effect of growth retardants on plant height, Time of flowering, peroxidase activity, endogenous gibberellins and leaf area were significant”
Claim · model-written summary
Growth retardants significantly affected leaf area in zinnia.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e1“The effect of growth retardants on plant height, Time of flowering, peroxidase activity, endogenous gibberellins and leaf area were significant”
Claim · model-written summary
Growth retardants significantly affected endogenous gibberellins in zinnia.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e4“Growth retardants had significant effects on endogenous gibberellins and leaf chlorophyll contents”
Claim · model-written summary
Growth retardants significantly affected leaf chlorophyll contents in zinnia.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e4“Growth retardants had significant effects on endogenous gibberellins and leaf chlorophyll contents”
Claim · model-written summary
Soil application of 10 mg L-1 uniconazole gave the lowest plant height in zinnia.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e2“The lowest plant height was observed in soil application of 10 mg L-1 UN”
Claim · model-written summary
The tallest zinnia plants were observed in the control treatment.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e3“The tallest plant was observed in the control treatment”
Claim · model-written summary
The highest peroxidase activity in zinnia was detected in plants treated with 10 mg L-1 uniconazole.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e5“Highest activity of peroxidase enzyme was detected in plants treated by 10 mg L-1 UN”
Claim · model-written summary
Uniconazole at 5 mg L-1 gave the lowest number of leaves in zinnia, 16.4 leaves, compared with control.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e6“The highest and lowest numbers of leaves (21.6 and 16.4 leaves, respectively) were counted in control and 5 mg L-1 UN, respectively”
Claim · model-written summary
The highest number of zinnia leaves, 21.6, was counted in the control.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“morphological and biochemical characteristics of zinnia”
e6“The highest and lowest numbers of leaves (21.6 and 16.4 leaves, respectively) were counted in control and 5 mg L-1 UN, respectively”
Claim · model-written summary
The authors recommend growth retardants to reduce height and improve the quality and quantity traits of zinnia flower.
Verbatim
e7“the use of growth retardants is recommended to reduce the height and improve the qualitative and quantitative characteristics of zinnia flower”
The same questions in other papers
uniconazole · growth · ZinniaResults agree
1 paper in the same direction as this paper
- positive
application · growth · ZinniaPositive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.