engleski

Crop production on acid soils: overcoming soli acidity and aluminum toxicity

Soil acidity and aluminum (Al) toxicity in acid soils is a significant limitation to crop production worldwide. The high concentration of Al in the acid soil limits root development, reducing water and nutrient uptake. Decades of studies have resulted in a significant progress in revealing the mechanism of Al tolerance in plants. Several key genes have been identified and the Al tolerance was validated to be related with gene sequence variations in some plants. Elucidating the genetic and molecular mechanisms underlying Al tolerance is expected to accelerate the development of Al-tolerant genotypes. This review assesses the literature on aluminum toxicity, as well as crop-yield improvement–strategies for adaption to combined aluminium toxicity and drought stress. The emphasis is on the role of breeding to improve acid soil and aluminum tolerance.

soil acidtiy ; liming aluminum toxicity ; drought stress ; breeding

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