Dictionary

brown leaf spot en · NOUN

Meanings

1. (uncountable) Any of various plant diseases that cause brown spots on leaves.
   • BROWN LEAF SPOT Cercospora fusca Rand The brown leaf spot of the pecan is found generally distributed thruout the pecan-growing area. 1917, H. Drew, Bulletin - Issues 140-175, page 145:
   • The potential of acibenzolar-S-methyl (ASM), when applied alone or in combination with fungicides or antibiotics was assessed for the control of coffee rust (Hemileia vastatrix) and brown leaf spot (Phoma costarricencis) under field conditions and also for the control of brown eye spot (Cercospora cofffeicola) and bacerial blight (Pseudomonas syringae pv. garcae) on coffee seedlings. 2013, P. Narayanasamy, Biological Management of Diseases of Crops, →ISBN, page 583:
   • IAA biosynthesis by Pseudomonas syringae pv. syringae, the causal agent of brown leaf spot disease of bean, is produced via the indoleacetamide pathway, similar to the pathway in P.s. pv. savastanoi. 1993, Clarence I. Kado, Jorge H. Crosa, Molecular Mechanisms of Bacterial Virulence, →ISBN, page 605:
   • The most economically important fungal diseases in India are blast, sheath blight, brown leaf spot, foot rot, stem rot, sheath rot, false smut, kernel smut /bunt, leaf smut, narrow brown leaf spot and udbatta disease. 2010, K. G. Mukerji, C. Manoharachary, Taxonomy and Ecology of Indian Fungi, →ISBN, page 223:
   • Foliar fungicides are not economical for controlling brown leaf spot on most commercial long grain varieties. 2009, Samuel S. Gnanamanickam, Biological Control of Rice Diseases, →ISBN, page 35: