leaf spot


Also found in: Dictionary, Wikipedia.
Related to leaf spot: bacterial leaf spot, Angular Leaf Spot

leaf spot

[′lēf ‚spät]
(plant pathology)
Any of various diseases or disorders characterized by the appearance of well-defined discolored spots on the leaves.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
(2013), comparing the susceptibility of 'Rocha', 'Santa Maria' and 'Abate Fetel' pear to the entomosporiosis leaf spot, considered that all cultivars are susceptible, however 'Santa Maria' obtained higher disease intensities, demonstrating that the genetic effect influences this characteristic.
The initial symptoms of disease involved small, oval or irregular, dark brown leaf spots, later resulted into severe leaf blight covering entire leaf.
A combination of cultural and chemical measures is used to control Alternaria leaf spot disease (Simone 1991).
Thus, the adoption of the SAD proposed in this paper to evaluate olive leaf spot severity, can reduce the subjectivity of the estimates and provided better information for epidemiological studies on the Fusicladium oleagineum Olea europaea pathosystem under humid subtropical climate conditions.
megaterium, significantly decreased colony growth diameter (76.84-45.69%) of dracaena leaf spot fungi as well as spore germination (48.80-23.20%) and length of germ tube (88.77-65.65%) of the germinated spores compared to untreated control.
The phenotype data used in this research is 1100 barley entries with reaction of leaf spot diseases.
The stress is manifesting itself as leaf spot, tar spot, leaf blotch and anthracnose disease infection in and on fallen leaves.
16, Tom Allen reported that frogeye leaf spot is the most widely observed disease in fields.
Primulas can suffer from greenfly, grey mould and leaf spot, but these are all rare.
niger) to expose the flowers and remove possible foliar diseases such as hellebore leaf spot.