Abstract
Drought is regarded as one of the environmental constraints threatening agriculture worldwide. Melatonin is a pleiotropic molecule prevalent in plants capable of promoting plant endogenous resilience to many environmental challenges including drought. Banana is an important staple food consumed in developing countries especially in Africa. In this research, we studied the role of melatonin in the growth of bananas subjected to drought under the Egyptian semi-arid conditions. To achieve this objective, a field experiment on banana (Musa spp., cv. Williams) mother plants and first ratoon was conducted on a private farm for two seasons - 2019 and 2020. Three irrigation treatments, 100, 90 and 80% irrigation water requirements (IWR) were used in conjunction with four concentrations of melatonin as a foliar spray (0 μmol, 40 μmol, 60 μmol, and 80 μmol) to determine the effect of both treatments on banana plant performance under drought. The results showed that there was a substantial difference between treatments, with the foliar application of melatonin at 80 μmol concentration improving most of the yield attributes, relative water content, total chlorophyll and proline with water deficit. However, the foliar application of the molecule lowered the biochemical characteristics mostly at 80% IWR under the Egyptian semi-arid conditions. Overall, there was a concentration-dependent response with regards to IWR for the two seasons 2019 and 2020.
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Claims 5
Claim · model-written summary
Foliar melatonin at 80 μmol improved most banana yield attributes under water deficit.
- Taxon
- bananat0
- Treatment
- foliar application of melatonin at 80 μmol concentratione0
- Outcome
- most of the yield attributese0
- Direction
- improvinge0
- Setting
- Egyptian semi-arid conditionst0
Not reportedComparator
Verbatim
e0“foliar application of melatonin at 80 μmol concentration improving most of the yield attributes, relative water content, total chlorophyll and proline with water deficit”
t0“banana under Egyptian semi-arid conditions”
Claim · model-written summary
Foliar melatonin at 80 μmol improved banana relative water content and total chlorophyll under water deficit.
- Taxon
- bananat0
- Treatment
- foliar application of melatonin at 80 μmol concentratione0
- Outcome
- relative water content, total chlorophylle0
- Direction
- improvinge0
Not reportedComparator
Verbatim
e0“foliar application of melatonin at 80 μmol concentration improving most of the yield attributes, relative water content, total chlorophyll and proline with water deficit”
t0“banana”
Claim · model-written summary
Foliar melatonin at 80 μmol increased banana proline under water deficit.
- Taxon
- bananat0
- Treatment
- foliar application of melatonin at 80 μmol concentratione0
- Outcome
- prolinee0
- Direction
- improvinge0
Not reportedComparator
Verbatim
e0“foliar application of melatonin at 80 μmol concentration improving most of the yield attributes, relative water content, total chlorophyll and proline with water deficit”
t0“banana”
Claim · model-written summary
Foliar melatonin lowered banana biochemical characteristics mostly at 80% irrigation water requirement.
- Taxon
- bananat0
- Treatment
- foliar application of the moleculee0
- Outcome
- biochemical characteristicse0
- Direction
- lowerede0
- Qualifier
- 80% IWRe0
- Setting
- Egyptian semi-arid conditionse0
Not reportedComparator
Verbatim
e0“foliar application of the molecule lowered the biochemical characteristics mostly at 80% IWR under the Egyptian semi-arid conditions”
t0“banana”
Claim · model-written summary
Banana responses to melatonin concentration depended on irrigation water requirement in both seasons.
Not reportedDirection
Verbatim
e0“there was a concentration-dependent response with regards to IWR for the two seasons 2019 and 2020”
t0“banana”
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