Abstract:

Drought resistance in maize is a synthesis character, the main content is the mechanism and identification of drought resistance. Morphology is the result of continual evolution in maize. Physiological and biochemical regulation is also an important means resisting drought in maize. We clarified the identification index in maize and the mechanism from morphological, genetics, physiological and biochemical indexes, after summarized the former research. Drought resistance of maize was controlled by polygene and was typical quantity genetics. The identification of drought resistance needed a specific environment and test condition to form a comprehensive evaluation, using genetic analysis with changes of physiological indexes. We found the developing direction of drought resistance in future was the localization and analysis of molecular genetics′ QTLS. In order to provide some useful references for drought resistance identification and its breeding.