Abstract
Excessive solar radiation “global warming” and water scarcity are consider the main environmental constraints for plant growth and production under arid and semi-arid regions. The current research was aimed to study the effect of irrigation levels (100%, 85%, 70% of irrigation requirements), and shading levels (60%, 40%, 0%) on the growth and productivity of ‘Keitt’ mango trees. This experiment was conducted during two growing seasons (2016/2017 and 2017/2018) at El Behera Governorate, Egypt. Decreasing irrigation level (IR) decreased leaf area, malformed panicle, powdery mildew infection, final fruit set, fruit numbers, yield but it increased chlorophyll content, proline content, leaf water content. While, increasing shading levels (SH) increased leaves number, leaf area, fruit set, powdery mildew infection, malformed panicle but it decreased fruit sunburn damage, proline content, chlorophyll content and relative water content. Moreover, accumulative effects of 85% IR + 40% SH significantly increased leaf area, fruit set, fruit number, yield, chlorophyll content, WUE, proline content, relative water content, leaf water content while decreasing powdery mildew and sunburn damage. Results suggest that shading at 40% increased the yield up to 20% and decreased sunburn damage up to 0% under irrigation level of 70%. Shading may be a new technique to alleviate the adverse effects of water stress beside their role in avoiding excessive solar radiation on ‘Keitt’ mango trees.
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Claims 14
Claim · model-written summary
Reduced irrigation decreased mango leaf area, malformed panicles and powdery mildew infection.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Treatment
- Decreasing irrigation levele0
- Outcome
- leaf area, malformed panicle, powdery mildew infectione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“Decreasing irrigation level (IR) decreased leaf area, malformed panicle, powdery mildew infection”
t0“mango Mangifera indica”
Claim · model-written summary
Reduced irrigation decreased final fruit set, fruit numbers and yield.
- Taxon
- mangoMangifera indicat0
- Treatment
- Decreasing irrigation levele0
- Outcome
- final fruit set, fruit numbers, yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Decreasing irrigation level (IR) decreased leaf area, malformed panicle, powdery mildew infection, final fruit set, fruit numbers, yield”
t0“mango Mangifera indica”
Claim · model-written summary
Reduced irrigation increased chlorophyll, proline and leaf water content.
- Taxon
- mangoMangifera indicat0
- Treatment
- Decreasing irrigation levele1
- Outcome
- chlorophyll content, proline content, leaf water contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it increased chlorophyll content, proline content, leaf water content”
e1“Decreasing irrigation level (IR)”
t0“mango Mangifera indica”
Claim · model-written summary
Greater shading increased mango leaf number, leaf area and fruit set.
- Taxon
- mangoMangifera indicat0
- Treatment
- increasing shading levelse0
- Outcome
- leaves number, leaf area, fruit sete0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing shading levels (SH) increased leaves number, leaf area, fruit set”
t0“mango Mangifera indica”
Claim · model-written summary
Greater shading increased powdery mildew infection and malformed panicles.
- Taxon
- mangoMangifera indicat0
- Treatment
- increasing shading levelse0
- Outcome
- powdery mildew infection, malformed paniclee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing shading levels (SH) increased leaves number, leaf area, fruit set, powdery mildew infection, malformed panicle”
t0“mango Mangifera indica”
Claim · model-written summary
Greater shading decreased sunburn damage, proline and chlorophyll content.
- Taxon
- mangoMangifera indicat0
- Treatment
- increasing shading levelse1
- Outcome
- fruit sunburn damage, proline content, chlorophyll contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it decreased fruit sunburn damage, proline content, chlorophyll content and relative water content”
e1“increasing shading levels (SH)”
t0“mango Mangifera indica”
Claim · model-written summary
Greater shading decreased relative water content.
- Taxon
- mangoMangifera indicat0
- Treatment
- increasing shading levelse1
- Outcome
- relative water contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it decreased fruit sunburn damage, proline content, chlorophyll content and relative water content”
e1“increasing shading levels (SH)”
t0“mango Mangifera indica”
Claim · model-written summary
Combined 85% irrigation and 40% shading significantly increased leaf area, fruit set and fruit number.
- Taxon
- mangoMangifera indicat0
- Treatment
- 85% IR + 40% SHe0
- Outcome
- leaf area, fruit set, fruit numbere0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“85% IR + 40% SH significantly increased leaf area, fruit set, fruit number”
t0“mango Mangifera indica”
Claim · model-written summary
Combined 85% irrigation and 40% shading significantly increased yield, chlorophyll and water-use efficiency.
- Taxon
- mangoMangifera indicat0
- Treatment
- 85% IR + 40% SHe0
- Outcome
- yield, chlorophyll content, WUEe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“85% IR + 40% SH significantly increased leaf area, fruit set, fruit number, yield, chlorophyll content, WUE”
t0“mango Mangifera indica”
Claim · model-written summary
Combined 85% irrigation and 40% shading significantly increased proline, relative water and leaf water content.
- Taxon
- mangoMangifera indicat0
- Treatment
- 85% IR + 40% SHe0
- Outcome
- proline content, relative water content, leaf water contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“85% IR + 40% SH significantly increased leaf area, fruit set, fruit number, yield, chlorophyll content, WUE, proline content, relative water content, leaf water content”
t0“mango Mangifera indica”
Claim · model-written summary
Combined 85% irrigation and 40% shading decreased powdery mildew and sunburn damage.
- Taxon
- mangoMangifera indicat0
- Treatment
- 85% IR + 40% SHe0
- Outcome
- powdery mildew and sunburn damagee0
- Direction
- decreasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“85% IR + 40% SH significantly increased leaf area, fruit set, fruit number, yield, chlorophyll content, WUE, proline content, relative water content, leaf water content while decreasing powdery mildew and sunburn damage”
t0“mango Mangifera indica”
Claim · model-written summary
At 70% irrigation, 40% shading increased yield up to 20%.
- Taxon
- mangoMangifera indicat0
- Treatment
- shading at 40%e0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 20%e0
- Qualifier
- under irrigation level of 70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shading at 40% increased the yield up to 20% and decreased sunburn damage up to 0% under irrigation level of 70%”
t0“mango Mangifera indica”
Claim · model-written summary
At 70% irrigation, 40% shading decreased sunburn damage to 0%.
- Taxon
- mangoMangifera indicat0
- Treatment
- shading at 40%e0
- Outcome
- sunburn damagee0
- Direction
- decreasede0
- Value
- 0%e0
- Qualifier
- under irrigation level of 70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shading at 40% increased the yield up to 20% and decreased sunburn damage up to 0% under irrigation level of 70%”
t0“mango Mangifera indica”
Claim · model-written summary
The authors suggest shading to alleviate water stress and excessive radiation in Keitt mango.
- Taxon
- mangoMangifera indicae0
- Material
- ‘Keitt’e0
- Outcome
- alleviate the adverse effects of water stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shading may be a new technique to alleviate the adverse effects of water stress beside their role in avoiding excessive solar radiation on ‘Keitt’ mango trees”
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