The optical signature of leaves is an important monitoring and predictive parameter for a variety of biotic and abiotic stresses, including drought. Such signatures derived from spectroscopic measurements provide vegetation indices - a quantitative method for assessing plant health. However, the commonly used metrics suffer from low sensitivity. Relatively small changes in water content in mode...

As drought and heat stress are major challenges for crop productivity under future climate changes, tolerant cultivars highly in demand. This study investigated the potential of existing Nordic wheat genotypes to resist unfavorable conditions. Four were selected based on their sensitivity (heat-sensitive: LM19, SF1; heat-tolerant: LM62, NS3). At tillering stage, plants subjected four treatments...

Drought is one of the most threatened natural vulnerabilities that are initiated by reason of scarcity of rain in a specific region. By comparing with all other natural hazards, it is very tough to discover since it develops slowly and have massive effect on the society and environment. Hence, in many countries satellite based drought indications have been recommended for early identification. ...

screening and identification of moderately halophilic protease producing bacteria from different regions of maharloo, a hypersaline lake in the southern area of iran, were the objectives of this study. in the preliminary screening, 16 isolates exhibited proteolytic activity on saline skim milk agar. all isolates were able to grow comfortably in the media containing 7-15% of salt. protease activ...

Drought management depends on indicators to detect drought conditions, and triggers to activate drought responses. But determining those indicators and triggers presents challenges. Indicators often lack spatial and temporal transferability, comparability among scales, and relevance to critical drought impacts. Triggers often lack statistical integrity, consistency among drought categories, and...

Brassinosteroids (BRs) are a class of steroid phytohormones, which regulate various processes of morphogenesis and physiology-from seed development to regulation of flowering and senescence. An accumulating body of evidence indicates that BRs take part in regulation of physiological reactions to various stress conditions, including drought. Many of the physiological functions of BRs are regulat...

Cassava is an important root crop to resource-poor farmers in marginal areas, where its production faces drought stress constraints. Given the difficulties associated with cassava breeding, a molecular understanding of drought tolerance in cassava will help in the identification of markers for use in marker-assisted selection and genes for transgenic improvement of drought tolerance. This study...

The increasing serious droughts recently might have significant impacts on socioeconomic development in the Red River basin (RRB). This study applied variable infiltration capacity (VIC) model to investigate spatio-temporal dynamics of soil moisture northeast, northwest, and Delta (RRD) regions RRB part belongs territory Vietnam. dataset simulated for 10 years (2005–2014) was utilized establish...

Drought is one of the most serious natural disasters in China. Drought disasters occur frequently and caused huge economic loss in recently. In this paper, a drought prediction model based on weighted Markov Chain is put forward. An application is demonstrated by Anhui province of Huaihe River in China. Based on the precipitation data during 1958-2006 at monthly scale, the different time scales...