نتایج جستجو برای: leaf rust
تعداد نتایج: 90061 فیلتر نتایج به سال:
Diseases of the United States Department of Agriculture. It has been continued at the University of Michigan. Paper of the Department of Botany and of the University Herbarium, University of Michigan No. 397. 1 Mains, E. B., "Rye Resistant to Leaf Rust, Stem Rust and Powdery Mildew," Jour. Agr. Res., 32, 201-221 (1926). 2 Mains, E. B., and Dietz, S. M., "Physiologic Forms of Barley Mildew, Erys...
Global warming is a major threat to agriculture worldwide. Between 2008 and 2013, some coffee producing countries in South and Central America suffered from severe epidemics of coffee leaf rust (CLR), resulting in high economic losses with social implications for coffee growers. The climatic events not only favored the development of the pathogen but also affected the physiological status of th...
Heavy metals are serious pollutants that affect the growth and disease resistance of woody plants. Herein, enrichment characteristics an essential element (Zn) in Populus simonii seedlings, as well effects Zn stress on seedling to leaf rust, were investigated. contents roots, stems, leaves treatment groups significantly increased. at all concentrations inhibited biomass seedlings. Under low, mi...
Spectral Vegetation Indices (SVIs) have been widely used to indirectly detect plant diseases. The aim of this research is to evaluate the effect of different disease symptoms on SVIs and introduce suitable SVIs to detect rust disease. Wheat leaf rust is one of the prevalent diseases and has different symptoms including yellow, orange, dark brown, and dry areas. The reflectance spectrum data for...
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