Appressorium induction by topographical signals in six cereal rusts

1997 ◽  
Vol 51 (3) ◽  
pp. 169-179 ◽  
Author(s):  
T.J. Collins ◽  
N.D. Read
Keyword(s):  
Cereal Rusts

scholarly journals The Hot Spots in Cereal Rusts and Powdery Mildew Research

2014 ◽  
Vol 13 (2) ◽  
pp. 229-232 ◽  
Author(s):  
Wan-quan CHEN ◽  
Xia-yu DUAN
Keyword(s):  
Powdery Mildew ◽  
Hot Spots ◽  
Cereal Rusts

Contributions of Early Scientists to Knowledge of Cereal Rusts

1984 ◽  
pp. 3-38 ◽  
Author(s):  
J.F. Schafer ◽  
A.P. Roelfs ◽  
W.R. Bushnell
Keyword(s):  
Cereal Rusts

Role of Alternate Hosts in Epidemiology and Pathogen Variation of Cereal Rusts

2016 ◽  
Vol 54 (1) ◽  
pp. 207-228 ◽  
Author(s):  
Jie Zhao ◽  
Meinan Wang ◽  
Xianming Chen ◽  
Zhensheng Kang
Keyword(s):  
Alternate Hosts ◽  
Pathogen Variation ◽  
Cereal Rusts

The World Situation of the Cereal Rusts

1967 ◽  
Vol 5 (1) ◽  
pp. 183-200 ◽  
Author(s):  
T Johnson ◽  
G J Green ◽  
D J Samborski
Keyword(s):  
The World ◽  
Cereal Rusts

Specialization, hybridization, and mutation in the cereal rusts

1946 ◽  
Vol 12 (6) ◽  
pp. 337-392 ◽  
Author(s):  
T. Johnson ◽  
Margaret Newton
Keyword(s):  
Cereal Rusts

A COMPARISON OF A DRIED CRUDE FILTRATE CONTAINING ANTIBIOTIC P-9, WITH A NICKEL–ZINEB MIXTURE, AND DICHLOROTETRAFLUOROACETONE FOR CEREAL RUST CONTROL

1966 ◽  
Vol 46 (5) ◽  
pp. 537-543
Author(s):  
W. A. F. Hagborg
Keyword(s):  
Leaf Rust ◽  
Stem Rust ◽  
Nickel Chloride ◽  
Substantial Improvement ◽  
Limiting Factor ◽  
Single Application ◽  
Streptomyces Sp ◽  
Good For ◽  
Extraneous Substance ◽  
Cereal Rusts

Dried crude filtrate (DCF) from Streptomyces sp., containing antibiotic P-9, was compared in 1962 with a mixture of nickel chloride and zineb and in 1964 with symmetrical dichlorotetrafluoroacetone (DCTFA) for the control of cereal rusts on Marquis wheat. Seven applications of DCF gave significantly better control of stem rust on the sheaths than six applications of nickel–zineb. The control of stem rust on the necks and of leaf rust was equally good for both materials. Rust control by either material resulted in a substantial improvement of yield and grade. When 280 kg/ha of DCF, a quantity equal to that used successfully in three applications over a period of 4 weeks, was applied in a single application, less control was obtained and some phytotoxic necrosis occurred. The phototoxicity may have been due to an extraneous substance in the DCF, and might not be a limiting factor with purified or partially purified preparations.Under the conditions of the experiment in 1964, DCTFA was not as effective as DCF in rust control.

THE EFFECT OF HIGH TEMPERATURE ON UREDIAL DEVELOPMENT IN CEREAL RUSTS

1937 ◽  
Vol 15c (9) ◽  
pp. 425-432 ◽  
Author(s):  
Thorvaldur Johnson ◽  
Margaret Newton
Keyword(s):  
High Temperature ◽  
Leaf Rust ◽  
High Temperatures ◽  
Stem Rust ◽  
Infection Type ◽  
Crown Rust ◽  
Experimental Results ◽  
Wheat Seedlings ◽  
Physiologic Races ◽  
Cereal Rusts

The effect of high temperatures on the development of stem rust and leaf rust on wheat seedlings and stem rust and crown rust on oats seedlings was studied in greenhouse experiments. The experimental results show that, for temperatures above the optimum for rust development, the higher the temperature the less vigorous the pustule development. Physiologic races that at ordinary temperatures produce a "4" type of infection tend to develop a "3" type or an "x" type at higher temperatures. At still higher temperatures the infection type becomes "2" or "1" or even merely necrotic flecks. Physiologic races of the same rust differ in their sensitiveness to temperature. In stem rust of wheat, races that had been inbred by repeated selfings for two or more generations, showed greater sensitiveness to temperature than races collected in the field. Leaf rust of wheat and crown rust of oats were less tolerant of high temperatures than stem rust of wheat.

PARATHION, A SELECTIVE RUST FUNGICIDE, COMPARED WITH MANEB IN THE CONTROL OF CEREAL RUSTS

1968 ◽  
Vol 48 (3) ◽  
pp. 261-265
Author(s):  
G. Fleischmann ◽  
J. W. Martens ◽  
R. I. H. McKenzie
Keyword(s):  
Stem Rust ◽  
Field Tests ◽  
Crown Rust ◽  
Wheat Leaf Rust ◽  
Wheat Stem Rust ◽  
Oat Crown Rust ◽  
Wheat Leaf ◽  
Excellent Control ◽  
Significant Yield ◽  
Cereal Rusts

Parathion, an organophosphorus insecticide, controlled oat crown rust, Puccinia coronata Corda f. sp. avenae Erikss., in the greenhouse at a concentration of 0.32 g/liter when applied to oats before inoculation with rust urediospores. Slight reductions in the amount of oat stem rust, P. graminis Pers. f. sp. avenae Erikss. and Henn., wheat stem rust, P. graminis Pers. f. sp. tritici Erikss. and Henn., and wheat leaf rust, P. recondita Rob. ex. Desm., were achieved at higher concentrations. In field tests, three applications of parathion gave excellent control of oat crown rust. Late infections of oat stem rust, which caused significant yield reductions, were unaffected by parathion, but were effectively controlled by maneb.

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