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Khaoula Boudabbous Imen Bouhaouel Chahine Karmous Nadhira Benaissa Youssef Trifa Ali Sahli 《Archives of Agronomy and Soil Science》2020,66(12):1721-1734
ABSTRACT The effectiveness of plant–soil synergies is largely modulated by interaction between cultivar and rhizosphere microbiome. We evaluated the agronomic performance of six durum wheat cultivars, in two semi-arid locations in Tunisia that differed in their irrigation water salinity: S1 (6 dS m?1) and S2 (12 dS m?1). The two-consecutive-year field experiments assessed the effects of the microbial biomass carbon (MBC), leaf phosphorus (LP) and rhizosphere phosphorus (P) on the grain yield (GY) and yield components at tillering and flowering stages. Overall, in saline conditions, cultivars differed in above- and below-ground traits, particularly, with tolerant cultivars presenting relatively greater MBC, P and LP. Furthermore, in S2, GY positively correlated with MBC (r = 0.69), LP (r = 0.80) and P (r = 0.79). Additionally, in S2, MBC positively correlated with P (r = 0.87) and LP (r = 0.85) at flowering. This result was further confirmed by multiple linear regression (step-wise) analysis, which revealed that MBC and LP were the determinant components of GY variability under S2. The present study demonstrates that LP and soil P are mandatory for improving the management of durum wheat. Salinity tolerance was largely affected by the cultivars’ rhizosphere MBC. 相似文献
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Fourati Mariam Smaoui Slim Hlima Hajer Ben Elhadef Khaoula Braïek Olfa Ben Ennouri Karim Mtibaa Ahlem Chakchouk Mellouli Lotfi 《Plant foods for human nutrition (Dordrecht, Netherlands)》2020,75(4):477-486
Plant Foods for Human Nutrition - The use of complementary medicine has recently increased in an attempt to find effective alternative therapies that reduce the adverse effects of drugs.... 相似文献
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