Full TGIF Record # 9581
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1986.tb05316.x/epdf
    Last checked: 09/29/2015
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Publication Type:
i
Refereed
Author(s):Muchovej, J. J.
Author Affiliation:Departamento de Fitopatologia, Universidade Federal de Vicosa, 36570, Vicosa, MG, Brazil
Title:Definition of leaf health in Agrostis palustris at the time of infection and colonisation by Curvaluria lunata.
Source:Annals of Applied Biology. Vol. 109, No. 2, October 1986, p. 249-258.
Publishing Information:London: Cambridge University Press.
Keywords:TIC Keywords: Curvularia lunata; Leaves; Agrostis stolonifera
Abstract/Contents:"The state of leaf health of intact Penneagle creeping bentgrass leaves into which Curvularia lunata was able to ingress was determined by reducing cuticle/wax formation with trichloroacetic acid (TCA) and stressing plants with high air temperatures. Leaf health was estimated throughout the growing period of the plants by extracting chlorophyll a and then regressing the values with respect to time. In this manner, leaves at each nodal position could be classified as either juvenile, mature or senescent. The addition of TCA to plants decreased leaf and plant life. Stressing plants with high air temperatures accelerated leaf senescence as did higher levels of TCA. Inoculation with Drechslera sorokiniana resulted in lesion formation within 2 days. Symptoms commonly attributed to Curvularia blight were present on plants treated with 140 um TCA when high-air-temperature stressed and inoculated with C. lunata. Histochemical procedures failed to show the presence of mycelium of C. lunata within the cells of Curvularia blight symptom areas. Results demonstrated that C. lunata had the ability to colonise heat stressed and/or old leaves but did not have the ability to infect and colonise juvenile or mature tissues."
Language:English
References:18
Note:Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Muchovej, J. J. 1986. Definition of leaf health in Agrostis palustris at the time of infection and colonisation by Curvaluria lunata.. Ann. Appl. Biol. 109(2):p. 249-258.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1986.tb05316.x/epdf
    Last checked: 09/29/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: QH 301 .A48
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