Abstract
ABSTRACT: In irrigated systems, the adoption of management methods like soil cover, polymers which absorb the water present in the soil and the utilization of shading screens can decrease the water consumption by the plants. This is achieved as these means protect the plant and soil against radiation and wavelengths of light undesirable for cultivation. However, for pineapple cultivation in the semi-arid climate regions, very little study has been done regarding these technologies. Hence, the present study conducted to assess the pineapple growth, production and quality when various kinds of soil cover, red shading screen and water absorption polymers are employed. To accomplish this, a field trial was performed utilizing four types of soil cover in the plots (plastic mulching; organic matter; organic matter + red shading screen 50%; plastic mulching + red shading screen 50% and the control (no cover).Two treatments were included in the subplots namely, either the absence or presence of a water-absorbing polymer in the planting hole (0.5 g per plant), arranged in subdivided plots. We adopted the Randomized Complete Block (RCB) , with three replications. The following aspects of the plants were studied: naturally flowering, stem diameter; leaf area index; D-leaf area and total leaf area; fruit weight with crown; fruit weight without crown; fruit length with crown; and fruit length without crown, as well as the traits of the post-harvest fruit, soluble solids, titratable acidity, pH and the soluble solids/titratable acidity ratio. Further, the productivity in t ha-1 and efficiency of water use (EUA) were ascertained. It was evident that the plastic mulching + 50% red shading screen favored the vegetative development and productivity of the ‘IAC Fantástico’ pineapple plants. The characteristics of the quality of the postharvest fruit were unaffected by the treatments. The shading screen reduced the percentages of natural flowering in the treatments which included organic matter + red shading screen 50% and plastic mulching + red shading screen 50%.
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Claims 5
Claim · model-written summary
Plastic mulch with 50% red shade favored vegetative development.
- Taxon
- pineapple
Ananas comosuse0 - Material
- ‘IAC Fantástico’e0
- Treatment
- plastic mulching + 50% red shading screene0
- Outcome
- vegetative developmente0
- Direction
- favorede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plastic mulching + 50% red shading screen favored the vegetative development and productivity of the ‘IAC Fantástico’ pineapple plants”
Claim · model-written summary
Plastic mulch with 50% red shade favored productivity.
- Taxon
- pineappleAnanas comosuse0
- Material
- ‘IAC Fantástico’e0
- Treatment
- plastic mulching + 50% red shading screene0
- Outcome
- productivitye0
- Direction
- favorede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plastic mulching + 50% red shading screen favored the vegetative development and productivity of the ‘IAC Fantástico’ pineapple plants”
Claim · model-written summary
Treatments did not affect postharvest fruit quality.
Not reportedTaxonComparator
Verbatim
e0“The characteristics of the quality of the postharvest fruit were unaffected by the treatments”
Claim · model-written summary
Red shade reduced natural flowering in organic matter plots.
- Treatment
- organic matter + red shading screen 50%e0
- Outcome
- percentages of natural floweringe0
- Direction
- reducede0
Not reportedTaxonComparator
Verbatim
e0“The shading screen reduced the percentages of natural flowering in the treatments which included organic matter + red shading screen 50% and plastic mulching + red shading screen 50%”
Claim · model-written summary
Red shade reduced natural flowering in plastic mulch plots.
- Treatment
- plastic mulching + red shading screen 50%e0
- Outcome
- percentages of natural floweringe0
- Direction
- reducede0
Not reportedTaxonComparator
Verbatim
e0“The shading screen reduced the percentages of natural flowering in the treatments which included organic matter + red shading screen 50% and plastic mulching + red shading screen 50%”
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