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Puccinia is a genus of rust fungus that causes rust diseases on most major crop cereals, except rice. It is considered the most destructive of the rust fungi genera and has been a significant agricultural pathogen for thousands of years, able to incite serious epidemics.

The common name of rust fungi refers to the appearance of infected plants, which develop numerous small, red-orange lesions on leaves and stems, as if they are rusting. These lesions contain up to 350,000 spores. The life cycle of Puccinia fungi is complex, involving five different spore types.

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Puccinia
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Puccinia is a genus of fungi. All species in this genus are obligate plant pathogens and are known as rusts.[1] The genus contains about 4000 species.[2]

Taxonomy

Examples of Puccinia rusts and the diseases they cause:

The rust species Puccinia obtegens has shown some promise for controlling Canada thistle, but it must be used in conjunction with other control measures to be effective.[3]

Another leaf rust species, Puccinia myrsiphylli, has been used as an effective biocontrol agent for infestations of the common form of bridal creeper (Asparagus asparagoides) in Australia since 2000.[4]

References

  1. ^ "Fungi", Lillian E Hawker, 1966, p. 167
  2. ^ Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 576. ISBN 978-0-85199-826-8..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  3. ^ Turner et al. 1980
  4. ^ Biosecurity SA : Weeds and pest animals> Bridal Creeper Policy Accessed 1 September 2014.

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Puccinia: Brief Summary
provided by wikipedia EN

Puccinia is a genus of fungi. All species in this genus are obligate plant pathogens and are known as rusts. The genus contains about 4000 species.

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