Abstract
Abstract Growth response of four alfalfa (Medicago sativa L.) cultivars to salinity was studied under N2‐dependent growth conditions in a nethouse. The cultivars tested were Hairy Peruvian (HP), Moapa 69 (M69), and Alic (TUR). They were compared to a local cultivar, Ghilboa, in two consecutive years (1988 and 1989). Under nonsa‐line conditions, the forage production of cv. Ghilboa was significantly higher than that of all other cultivars. Application of 170 mM NaCl to the root zone caused a remarkable decrease in forage production of HP, M69, and Ghilboa, but only a minimal and insignificant reduction in TUR. Nevertheless, the amount of biomass obtained after exposure of Ghilboa to salinity was still higher than that of TUR, the salt‐resistant cultivar. Thus, if forage is considered, Ghilboa seems to be the best cultivar to be grown under these environmental conditions. Reduction of salt level by extensive washing of the root zone resulted in a recovery of the forage production of all cultivars tested. Photosynthesis and transpiration were drastically reduced in all cultivars by salinity. A slight accumulation of sugars, as well as proline followed salt application. Proline content was significantly increased only in TUR. The possible causes for the different behavior of the cultivars are discussed as well as the implication of high forage yield of Ghilboa at any growth conditions, in spite of the significant inhibitory response to salinity.
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Claims 8
Claim · model-written summary
Application of 170 mM NaCl caused a remarkable decrease in forage production of HP, M69 and Ghilboa.
- Taxon
- Medicago sativa
Medicago sativat0 - Material
- HP, M69, and Ghilboae1
- Treatment
- 170 mM NaCle1
- Outcome
- forage productione1
- Direction
- decreasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e1“Application of 170 mM NaCl to the root zone caused a remarkable decrease in forage production of HP, M69, and Ghilboa, but only a minimal and insignificant reduction in TUR”
Claim · model-written summary
The 170 mM NaCl treatment caused only a minimal and insignificant reduction in forage production of TUR.
- Taxon
- Medicago sativaMedicago sativat0
- Material
- TURe1
- Treatment
- 170 mM NaCle1
- Outcome
- forage productione1
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e1“Application of 170 mM NaCl to the root zone caused a remarkable decrease in forage production of HP, M69, and Ghilboa, but only a minimal and insignificant reduction in TUR”
Claim · model-written summary
Ghilboa biomass after salinity exposure was still higher than that of TUR.
- Taxon
- Medicago sativaMedicago sativat0
- Material
- Ghilboae3
- Treatment
- salinitye3
- Outcome
- amount of biomasse3
- Direction
- highere3
- Comparator
- TURe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e3“the amount of biomass obtained after exposure of Ghilboa to salinity was still higher than that of TUR”
Claim · model-written summary
Ghilboa seems to be the best alfalfa cultivar for forage under these saline conditions.
- Taxon
- Medicago sativaMedicago sativat0
- Material
- Ghilboae5
- Outcome
- best cultivare5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e5“if forage is considered, Ghilboa seems to be the best cultivar to be grown under these environmental conditions”
Claim · model-written summary
Extensive washing of the root zone restored forage production of all alfalfa cultivars tested.
- Taxon
- Medicago sativaMedicago sativat0
- Material
- all cultivars testede4
- Treatment
- extensive washing of the root zonee4
- Outcome
- forage productione4
- Direction
- recoverye4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e4“Reduction of salt level by extensive washing of the root zone resulted in a recovery of the forage production of all cultivars tested”
Claim · model-written summary
Salinity drastically reduced photosynthesis and transpiration in all alfalfa cultivars.
- Taxon
- Medicago sativaMedicago sativat0
- Material
- all cultivarse6
- Treatment
- salinitye6
- Outcome
- Photosynthesis and transpiratione6
- Direction
- reducede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e6“Photosynthesis and transpiration were drastically reduced in all cultivars by salinity”
Claim · model-written summary
Salt application gave a slight accumulation of sugars in alfalfa.
- Taxon
- Medicago sativaMedicago sativat0
- Treatment
- salt applicatione7
- Outcome
- sugarse7
- Direction
- accumulatione7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e7“A slight accumulation of sugars, as well as proline followed salt application”
Claim · model-written summary
Proline content was significantly increased only in TUR after salt treatment.
- Taxon
- Medicago sativaMedicago sativat0
- Material
- TURe1
- Outcome
- Proline contente1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“alfalfa (Medicago sativa)”
e1“Proline content was significantly increased only in TUR”
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See all 20 papers →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.