Alfalfa(Medicago sativa L.),when exposed to abiotic stress such as salinity,suffers significant losses in yield and productivity.The present study evaluated the salinity tolerance of 12 alfalfa cultivars in vitro usin...Alfalfa(Medicago sativa L.),when exposed to abiotic stress such as salinity,suffers significant losses in yield and productivity.The present study evaluated the salinity tolerance of 12 alfalfa cultivars in vitro using five concentrations of sodium chloride(NaCl),ranging from 0 to 250 mmol L^(−1).The results obtained in the current study revealed that the Saudi cultivars,Kasimi and Hassawi,and the German cultivar(Berlin)had the highest salinity tolerance in terms of germination percentage(GP),corrected germination rate index(CGRI),days to reach 50%germination(GT_(50)),and ability to form cotyledonary and true leaves.Under mmol L^(−1) NaCl,the Saudi cultivar Kasimi cultivar showed GP,CGRI,and GT_(50) of 55.20%,123.15,and 3.77 days,respectively.Similarly,the German cultivar(Berlin)showed GP,CGRI,and GT_(50) of 50.06%,86.61,and 5.17 days,respectively.These findings might reveal a pivotal aspect in salt tolerance in alfalfa.Our results will help to select salt-tolerant alfalfa cultivars that could thrive in arid and semi-arid areas with salinity problems.展开更多
Cereal-legume intercropping plays a vital role in the subsistence food production system that prevails in the arid regions.It not only provides profitable crop productivity for agricultural communities but also plays ...Cereal-legume intercropping plays a vital role in the subsistence food production system that prevails in the arid regions.It not only provides profitable crop productivity for agricultural communities but also plays an important role in improving soil fertility.Therefore,the present research was conducted to assess the effect of the organic and mineral fertilizers on the forage yield and nutritional value in barley-pea intercropping system.The results revealed that the quality of forage grass is significantly influenced by both organic and inorganic fertilizer.Thus,organic fertilizer application has significantly influenced the dry matter(DM),crude ash(CA),crude protein(CP),neutral detergent fiber(NDF),and acid detergent fiber(ADF).Among the treatments,organic fertilizer added at rate of 35 m^(−3) ha^(−1) produced the maximum fresh and dry matter in barley and peas.In addition,the same level of organic fertilizer also improved silage composition by significantly increasing the protein and fiber content and showed highest the values.Based on overall results,it is concluded that organic fertilizer treatment(35 m^(−3) ha^(−1))has the potential as an effective strategy to improve the productivity and nutritional quality of the barley-pea intercropping system in arid areas.The results revealed that organic fertilizer can be utilized in sustainable agricultural as a source of nutrients for numerous various crops under arid conditions.展开更多
基金funded by the Researchers Supporting Project No.(RSP-2021/390),King Saud University,Riyadh,Saudi Arabia.
文摘Alfalfa(Medicago sativa L.),when exposed to abiotic stress such as salinity,suffers significant losses in yield and productivity.The present study evaluated the salinity tolerance of 12 alfalfa cultivars in vitro using five concentrations of sodium chloride(NaCl),ranging from 0 to 250 mmol L^(−1).The results obtained in the current study revealed that the Saudi cultivars,Kasimi and Hassawi,and the German cultivar(Berlin)had the highest salinity tolerance in terms of germination percentage(GP),corrected germination rate index(CGRI),days to reach 50%germination(GT_(50)),and ability to form cotyledonary and true leaves.Under mmol L^(−1) NaCl,the Saudi cultivar Kasimi cultivar showed GP,CGRI,and GT_(50) of 55.20%,123.15,and 3.77 days,respectively.Similarly,the German cultivar(Berlin)showed GP,CGRI,and GT_(50) of 50.06%,86.61,and 5.17 days,respectively.These findings might reveal a pivotal aspect in salt tolerance in alfalfa.Our results will help to select salt-tolerant alfalfa cultivars that could thrive in arid and semi-arid areas with salinity problems.
文摘Cereal-legume intercropping plays a vital role in the subsistence food production system that prevails in the arid regions.It not only provides profitable crop productivity for agricultural communities but also plays an important role in improving soil fertility.Therefore,the present research was conducted to assess the effect of the organic and mineral fertilizers on the forage yield and nutritional value in barley-pea intercropping system.The results revealed that the quality of forage grass is significantly influenced by both organic and inorganic fertilizer.Thus,organic fertilizer application has significantly influenced the dry matter(DM),crude ash(CA),crude protein(CP),neutral detergent fiber(NDF),and acid detergent fiber(ADF).Among the treatments,organic fertilizer added at rate of 35 m^(−3) ha^(−1) produced the maximum fresh and dry matter in barley and peas.In addition,the same level of organic fertilizer also improved silage composition by significantly increasing the protein and fiber content and showed highest the values.Based on overall results,it is concluded that organic fertilizer treatment(35 m^(−3) ha^(−1))has the potential as an effective strategy to improve the productivity and nutritional quality of the barley-pea intercropping system in arid areas.The results revealed that organic fertilizer can be utilized in sustainable agricultural as a source of nutrients for numerous various crops under arid conditions.
