Abstract
Sorghum is a type of cereal plant that easily adapts to stressful environmental conditions. Sorghum has many benefits as it can be used as food, feed, and energy sources, making it a promising crop for development on dry land in Indonesia. Drought impacts plants during their growth process, causing physiological and biological changes. This study aims to determine the effect of drought stress on the morphology and chlorophyll content of sorghum plants. Preliminary research was conducted by planting three varieties of sorghum (Numbu, Super 1, and Super 2). Subsequent planting involved selecting the variety most resistant to drought based on data analysis of several parameters. The basic design used in this experiment was a completely randomized design (CRD) with one factor: the level of drought stress, which had four levels -no drought stress as a day 0 (control) and drought stress for 3, 6 and 9 days by withholding water. The results showed a decrease in the total chlorophyll content of the leaves over time. Drought stress for 6 and 9 days without watering resulted in water content dropping below 25%, indicating severe drought stress and disrupting plant growth. Severe drought stress was characterized by low soil and leaf water content, yellowing and curling of the leaves.
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Claims 5
Claim · model-written summary
Leaf total chlorophyll content decreased over time.
SorghumNot reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a decrease in the total chlorophyll content of the leaves over time”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Six days without watering reduced water content below 25%.
- Treatment
- Drought stress for 6 and 9 days without wateringe0
- Outcome
- water contente0
- Direction
- droppinge0
- Value
- 25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress for 6 and 9 days without watering resulted in water content dropping below 25%”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Nine days without watering reduced water content below 25%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress for 6 and 9 days without watering resulted in water content dropping below 25%”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Severe drought disrupted plant growth.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“indicating severe drought stress and disrupting plant growth”
t0“Sorghum (Sorghum bicolor L. Moench)”
Claim · model-written summary
Severe drought produced leaf yellowing and curling.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe drought stress was characterized by low soil and leaf water content, yellowing and curling of the leaves”
t0“Sorghum (Sorghum bicolor L. Moench)”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.