Abstract
A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers. Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity). Imposition of water deficit condition decreased the shoot and root fresh and dry weights, relative water content, photosynthetic and transpiration rates, stomatal conductance, while increased root/shoot ratio, chlorophyll a, b and chlorophyll a/b ratio, proline content and shoot N and K in all maize cultivars. Effect of drought stress was non-significant on shoot or root P and shoot N. Of all maize cultivars, cv. Agaiti-85 was found to be relatively better in growth, proline accumulation and gas exchange characteristics under drought stress as compared to the other cultivars.
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Claims 8
Claim · model-written summary
Water deficit decreased shoot and root fresh and dry weights of maize cultivars relative to well-watered plants.
- Treatment
- water deficit condition (60% of field capacity)e1
- Outcome
- shoot and root fresh and dry weightse2
- Direction
- decreasede2
- Comparator
- well waterede1
- Setting
- greenhousee0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e2“Imposition of water deficit condition decreased the shoot and root fresh and dry weights, relative water content, photosynthetic and transpiration rates, stomatal conductance”
Claim · model-written summary
Water deficit decreased relative water content of maize cultivars relative to well-watered plants.
- Treatment
- water deficit condition (60% of field capacity)e1
- Outcome
- relative water contente2
- Direction
- decreasede2
- Comparator
- well waterede1
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e2“Imposition of water deficit condition decreased the shoot and root fresh and dry weights, relative water content, photosynthetic and transpiration rates, stomatal conductance”
Claim · model-written summary
Water deficit decreased photosynthetic and transpiration rates and stomatal conductance of maize cultivars relative to well-watered plants.
- Treatment
- water deficit condition (60% of field capacity)e1
- Outcome
- photosynthetic and transpiration rates, stomatal conductancee2
- Direction
- decreasede2
- Comparator
- well waterede1
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e2“Imposition of water deficit condition decreased the shoot and root fresh and dry weights, relative water content, photosynthetic and transpiration rates, stomatal conductance”
Claim · model-written summary
Water deficit increased root/shoot ratio and chlorophyll a and b of maize cultivars relative to well-watered plants.
- Treatment
- water deficit condition (60% of field capacity)e1
- Outcome
- root/shoot ratio, chlorophyll a, be3
- Direction
- increasede3
- Comparator
- well waterede1
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e3“while increased root/shoot ratio, chlorophyll a, b and chlorophyll a/b ratio, proline content and shoot N and K in all maize cultivars”
Claim · model-written summary
Water deficit increased chlorophyll a/b ratio and proline content of maize cultivars relative to well-watered plants.
- Treatment
- water deficit condition (60% of field capacity)e1
- Outcome
- chlorophyll a/b ratio, proline contente3
- Direction
- increasede3
- Comparator
- well waterede1
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e3“while increased root/shoot ratio, chlorophyll a, b and chlorophyll a/b ratio, proline content and shoot N and K in all maize cultivars”
Claim · model-written summary
Water deficit increased shoot N and K of maize cultivars relative to well-watered plants.
- Treatment
- water deficit condition (60% of field capacity)e1
- Outcome
- shoot N and Ke3
- Direction
- increasede3
- Comparator
- well waterede1
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e3“while increased root/shoot ratio, chlorophyll a, b and chlorophyll a/b ratio, proline content and shoot N and K in all maize cultivars”
Claim · model-written summary
Drought stress had a non-significant effect on shoot or root P and shoot N of maize cultivars.
- Treatment
- drought stresse4
- Outcome
- shoot or root P and shoot Ne4
- Comparator
- well waterede1
- Setting
- greenhousee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e1“Seven maize cultivars viz., Sahiwal-2002, Sadaf, EV-5098, Pak-Afgoyee, Agaiti-2002, Agaiti-85 and EV-1098 were grown under well watered or water deficit condition (60% of field capacity)”
e4“Effect of drought stress was non-significant on shoot or root P and shoot N”
Claim · model-written summary
Cultivar Agaiti-85 was relatively better in growth, proline accumulation and gas exchange under drought stress than the other cultivars.
- Material
- cv. Agaiti-85e5
- Treatment
- drought stresse5
- Outcome
- growth, proline accumulation and gas exchange characteristicse5
- Direction
- relatively bettere5
- Comparator
- the other cultivarse5
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to discriminate maize (Zea mays L.) cultivars for drought tolerance using gas exchange characteristics and proline contents as physiological markers”
e5“cv. Agaiti-85 was found to be relatively better in growth, proline accumulation and gas exchange characteristics under drought stress as compared to the other cultivars”
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