Abstract
In Egypt, okra is one of the most common summer vegetable crops. High temperature is affecting significantly on okra growth, yield and fruit quality. The purpose of this study was to examine the genetic diversity of fifteen okra cultivars grown at three different planting dates. The experiment was designed in a randomized complete block with spilt plot, incorporated three replications. In the 2018 and 2019 seasons, seeds of okra cultivars were planted on 1st March (normal), 1st April (slightly late) and 1st May (late). The results revealed that planting dates had a significant impact on growth and yield characteristics. All of the growth, yield, and yield components studied traits, i.e., plant height, number of branches, number of pods per plant, fresh pod weight, total pod yield, as well as physiological trait, chlorophyll content index, were significantly reduced by late planting date on May 1st, which had extreme high temperature (> 46oC). While relative cell injury (RCI%) increased significantly. The current study's findings indicate that relative cell injury (RCI%) could be used as an effective selection criteria for selecting the cultivars with lower value of (RCI%). Also, supports the hypotheses since some okra cultivars i.e., Qena-1, Qena-2, Luxor, Qena-3 and Aswan have outstanding performance in high-temperature environments.
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Claims 6
Claim · model-written summary
Late planting on 1 May reduced plant height, number of branches and number of pods per plant in okra compared with the normal 1 March planting.
- Taxon
- Abelmoschus esculentus
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Abelmoschus esculentust0 - Material
- fifteen okra cultivarse3
- Treatment
- late planting date on May 1ste1
- Outcome
- plant height, number of branches, number of pods per plante1
- Direction
- reducede1
- Comparator
- 1st March (normal)e2
- Setting
- Egypte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
t0“Okra (Abelmoschus esculentus L. Moench.)”
e0“In Egypt, okra is one of the most common summer vegetable crops.”
e1“All of the growth, yield, and yield components studied traits, i.e., plant height, number of branches, number of pods per plant, fresh pod weight, total pod yield, as well as physiological trait, chlorophyll content index, were significantly reduced by late planting date on May 1st, which had extreme high temperature (> 46oC).”
e2“seeds of okra cultivars were planted on 1st March (normal), 1st April (slightly late) and 1st May (late)”
e3“examine the genetic diversity of fifteen okra cultivars grown at three different planting dates”
Claim · model-written summary
Late planting on 1 May reduced fresh pod weight and total pod yield in okra compared with the normal 1 March planting.
- Taxon
- Abelmoschus esculentusAbelmoschus esculentust0
- Treatment
- late planting date on May 1ste1
- Outcome
- fresh pod weight, total pod yielde1
- Direction
- reducede1
- Comparator
- 1st March (normal)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Okra (Abelmoschus esculentus L. Moench.)”
e1“All of the growth, yield, and yield components studied traits, i.e., plant height, number of branches, number of pods per plant, fresh pod weight, total pod yield, as well as physiological trait, chlorophyll content index, were significantly reduced by late planting date on May 1st, which had extreme high temperature (> 46oC).”
e2“seeds of okra cultivars were planted on 1st March (normal), 1st April (slightly late) and 1st May (late)”
Claim · model-written summary
Late planting on 1 May reduced the chlorophyll content index in okra compared with the normal 1 March planting.
- Taxon
- Abelmoschus esculentusAbelmoschus esculentust0
- Treatment
- late planting date on May 1ste1
- Outcome
- chlorophyll content indexe1
- Direction
- reducede1
- Comparator
- 1st March (normal)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Okra (Abelmoschus esculentus L. Moench.)”
e1“All of the growth, yield, and yield components studied traits, i.e., plant height, number of branches, number of pods per plant, fresh pod weight, total pod yield, as well as physiological trait, chlorophyll content index, were significantly reduced by late planting date on May 1st, which had extreme high temperature (> 46oC).”
e2“seeds of okra cultivars were planted on 1st March (normal), 1st April (slightly late) and 1st May (late)”
Claim · model-written summary
Late planting on 1 May increased relative cell injury (RCI%) in okra, compared with the normal 1 March planting.
- Taxon
- Abelmoschus esculentusAbelmoschus esculentust0
- Treatment
- late planting date on May 1ste1
- Outcome
- relative cell injury (RCI%)e4
- Direction
- increasede4
- Comparator
- 1st March (normal)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Okra (Abelmoschus esculentus L. Moench.)”
e1“All of the growth, yield, and yield components studied traits, i.e., plant height, number of branches, number of pods per plant, fresh pod weight, total pod yield, as well as physiological trait, chlorophyll content index, were significantly reduced by late planting date on May 1st, which had extreme high temperature (> 46oC).”
e2“seeds of okra cultivars were planted on 1st March (normal), 1st April (slightly late) and 1st May (late)”
e4“While relative cell injury (RCI%) increased significantly.”
Claim · model-written summary
Relative cell injury (RCI%) could be used as an effective selection criterion for choosing okra cultivars with a lower RCI% value.
- Taxon
- Abelmoschus esculentusAbelmoschus esculentust0
- Outcome
- effective selection criteriae5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Okra (Abelmoschus esculentus L. Moench.)”
e5“relative cell injury (RCI%) could be used as an effective selection criteria for selecting the cultivars with lower value of (RCI%)”
Claim · model-written summary
Okra cultivars Qena-1, Qena-2, Luxor, Qena-3 and Aswan performed outstandingly in high-temperature environments.
- Taxon
- Abelmoschus esculentusAbelmoschus esculentust0
- Material
- Qena-1, Qena-2, Luxor, Qena-3 and Aswane6
- Outcome
- outstanding performance in high-temperature environmentse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Okra (Abelmoschus esculentus L. Moench.)”
e6“some okra cultivars i.e., Qena-1, Qena-2, Luxor, Qena-3 and Aswan have outstanding performance in high-temperature environments”
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