Diversity and genetics of nitrogen-induced susceptibility to the blast fungus in rice and wheat.

ABSTRACT:

Background

Nitrogen often increases disease susceptibility, a phenomenon that can be observed under controlled conditions and called NIS, for Nitrogen-Induced Susceptibility. NIS has long been reported in the case of rice blast disease caused by the fungus Magnaporthe oryzae. We used an experimental system that does not strongly affect plant development to address the question of NIS polymorphism across rice diversity and further explored this phenomenon in wheat. We tested the two major types of resistance, namely quantitative/partial resistance and resistance driven by known resistance genes. Indeed there are conflicting reports on the effects of NIS on the first one and none on the last one. Finally, the genetics of NIS is not well documented and only few loci have been identifi

SUBMITTER: Ballini E 

PROVIDER: S-EPMC4883689 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature