Abstract
The aim of the present investigation was to evaluate the effect of vermicompost and putrescine on morphological characteristics, photosynthetic pigments and yield of cucumber (Cucumis sativus L. var. Yalda). The experiment was conducted as a factorial experiment in completely randomized design with three replications at the research greenhouse of the University of Mohaghegh Ardabili, Iran. The treatments were consisted of vermicompost (0, 20, 40 and 60 volume percent) and putrescine (0, 0.5, 1 and 1.5 mM). Results showed that application of putrescine and vermicompost simultaneously improved plant height, leaf area and shoot dry weight of cucumber. The highest yield (2760 gr/plant) was achieved by application of 40% vermicompost and 0.5 mM putrescine solution. The lowest yield (698 gr/plant) was also achieved by application of 60% vermicompost without putrescine. Application of putrescine without vermicompost caused increased in the pigments in most of the treatments. However, putrescine with vermicompost had different results. Application of 20% vermicompost in the bedding had the greatest effect on the increase of photosynthetic pigments (chlorophyll a, total chlorophyll and carotenoids). Application of vermicompost without putrescine caused reduction in the photosynthetic pigments. Adding 40 and 60% vermicompost to the sowing bed resulted in an increase in the amount of chlorophyll b compared with the control.. In general the results of this investigation showed that integrative application of vermicompost upto 40% with spraying 0.5 mM putrescine can be effective for greenhouse cucumber production.
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Claims 9
Claim · model-written summary
Combined putrescine and vermicompost improved cucumber height, leaf area, and shoot dry weight.
- Taxon
- cucumber
Cucumis sativuse0 - Treatment
- application of putrescine and vermicompost simultaneouslye0
- Outcome
- plant height, leaf area and shoot dry weighte0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that application of putrescine and vermicompost simultaneously improved plant height, leaf area and shoot dry weight of cucumber.”
Claim · model-written summary
The highest cucumber yield was 2760 gr/plant with 40% vermicompost and 0.5 mM putrescine.
- Treatment
- application of 40% vermicompost and 0.5 mM putrescine solutione0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 2760 gr/plante0
Not reportedTaxon
Verbatim
e0“The highest yield (2760 gr/plant) was achieved by application of 40% vermicompost and 0.5 mM putrescine solution.”
Claim · model-written summary
The lowest cucumber yield was 698 gr/plant with 60% vermicompost and no putrescine.
- Treatment
- application of 60% vermicompost without putrescinee0
- Outcome
- yielde0
- Direction
- loweste0
- Value
- 698 gr/plante0
Not reportedTaxon
Verbatim
e0“The lowest yield (698 gr/plant) was also achieved by application of 60% vermicompost without putrescine.”
Claim · model-written summary
Putrescine without vermicompost increased pigments in most treatments.
- Treatment
- Application of putrescine without vermicomposte0
- Outcome
- pigmentse0
- Direction
- increasede0
- Qualifier
- most of the treatmentse0
Not reportedTaxonComparator
Verbatim
e0“Application of putrescine without vermicompost caused increased in the pigments in most of the treatments.”
Claim · model-written summary
Putrescine with vermicompost produced varying pigment responses.
Not reportedTaxon
Verbatim
e0“However, putrescine with vermicompost had different results.”
Claim · model-written summary
The 20% vermicompost bedding produced the greatest increase in chlorophyll a, total chlorophyll, and carotenoids.
- Treatment
- Application of 20% vermicompost in the beddinge0
- Outcome
- chlorophyll a, total chlorophyll and carotenoidse0
- Direction
- increasee0
Not reportedTaxonComparator
Verbatim
e0“Application of 20% vermicompost in the bedding had the greatest effect on the increase of photosynthetic pigments (chlorophyll a, total chlorophyll and carotenoids).”
Claim · model-written summary
Vermicompost without putrescine reduced photosynthetic pigments.
- Treatment
- Application of vermicompost without putrescinee0
- Outcome
- photosynthetic pigmentse0
- Direction
- reductione0
Not reportedTaxonComparator
Verbatim
e0“Application of vermicompost without putrescine caused reduction in the photosynthetic pigments.”
Claim · model-written summary
Adding 40% and 60% vermicompost increased chlorophyll b relative to the control.
Not reportedTaxon
Verbatim
e0“Adding 40 and 60% vermicompost to the sowing bed resulted in an increase in the amount of chlorophyll b compared with the control.”
Claim · model-written summary
The authors recommend up to 40% vermicompost with 0.5 mM putrescine for greenhouse cucumber production.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- integrative application of vermicompost upto 40% with spraying 0.5 mM putrescinee0
- Outcome
- greenhouse cucumber productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“integrative application of vermicompost upto 40% with spraying 0.5 mM putrescine can be effective for greenhouse cucumber production.”
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