Abstract
Two experiments were carried out at Sakha Agricultural Research Station , Cotton Research Institute , to study the effect of drought on morphological , yield , yield components and physiological traits in some cotton cultivars . This study comprised some Egyptian cotton cultivars i.e. G.91, G.89, G.85, G.88, G.70, G. 89x G.86 , G.89 x Pima S6, G.86 and G.80. Were planted under drought condition which toke five once irrigation and normal condition, which toke eight once irrigation as control . The results obtained could be summarized as follows :- 1- Cultivars differently responded to drought conditions. 2- Drought condition tended to decreased number of fruiting branches , dry weight , plant height , leaf area index, boll weight , seed and lint cotton yield per plant , seed index , lint percentage , number of bolls per plant , total chlorophyll , proteine and oil percentage in seeds. 3- The proline content in leaves was increased as a result of water stress conditions (drought) . 4- G.86 and G.80 observed the highest values of content of proline in leaves and had a highest yield and its components under drought stress. 5- For plant breeder , these results very important to select plants had higher proline content in leaves as indicator to obtained plants more tolerant to drought and highly yielding .
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Claims 8
Claim · model-written summary
Cotton cultivars responded differently to drought conditions.
- Taxon
- cotton cultivars
Gossypium hirsutume1 - Treatment
- drought conditionse0
- Outcome
- differently respondede0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivars differently responded to drought conditions”
e1“some cotton cultivars”
Claim · model-written summary
Drought tended to decrease number of fruiting branches, dry weight and plant height in cotton.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Drought conditione0
- Outcome
- number of fruiting branches , dry weight , plant heighte0
- Direction
- decreasede0
- Comparator
- normal conditione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought condition tended to decreased number of fruiting branches , dry weight , plant height”
e1“some cotton cultivars”
e2“normal condition, which toke eight once irrigation as control”
Claim · model-written summary
Drought tended to decrease leaf area index, boll weight and seed and lint cotton yield per plant.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Drought conditione0
- Outcome
- leaf area index , boll weight , seed and lint cotton yield per plante1
- Direction
- decreasede0
- Comparator
- normal conditione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought condition tended to decreased”
e1“leaf area index , boll weight , seed and lint cotton yield per plant”
e2“normal condition, which toke eight once irrigation as control”
Claim · model-written summary
Drought tended to decrease seed index, lint percentage and number of bolls per plant.
- Taxon
- cottonGossypium hirsutume2
- Treatment
- Drought conditione0
- Outcome
- seed index , lint percentage , number of bolls per plante1
- Direction
- decreasede0
- Comparator
- normal conditione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought condition tended to decreased”
e1“seed index , lint percentage , number of bolls per plant”
e2“some cotton cultivars”
e3“normal condition, which toke eight once irrigation as control”
Claim · model-written summary
Drought tended to decrease total chlorophyll and protein and oil percentage in cotton seeds.
- Taxon
- cottonGossypium hirsutume2
- Treatment
- Drought conditione0
- Outcome
- total chlorophyll , proteine and oil percentage in seedse1
- Direction
- decreasede0
- Comparator
- normal conditione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought condition tended to decreased”
e1“total chlorophyll , proteine and oil percentage in seeds”
e2“some cotton cultivars”
e3“normal condition, which toke eight once irrigation as control”
Claim · model-written summary
Proline content in cotton leaves increased under water stress (drought).
- Taxon
- cottonGossypium hirsutume1
- Treatment
- water stress conditions (drought)e0
- Outcome
- proline content in leavese0
- Direction
- increasede0
- Comparator
- normal conditione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The proline content in leaves was increased as a result of water stress conditions (drought)”
e1“some cotton cultivars”
e2“normal condition, which toke eight once irrigation as control”
Claim · model-written summary
Cultivars G.86 and G.80 had the highest leaf proline content and the highest yield and yield components under drought stress.
- Taxon
- cottonGossypium hirsutume1
- Material
- G.86 and G.80e0
- Treatment
- drought stresse0
- Outcome
- content of proline in leaves and had a highest yield and its componentse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“G.86 and G.80 observed the highest values of content of proline in leaves and had a highest yield and its components under drought stress”
e1“some cotton cultivars”
Claim · model-written summary
The authors recommend that breeders select plants with higher leaf proline content as an indicator of drought tolerance and high yield.
- Taxon
- cottonGossypium hirsutume1
- Outcome
- higher proline content in leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“select plants had higher proline content in leaves as indicator to obtained plants more tolerant to drought and highly yielding”
e1“some cotton cultivars”
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