Inoculants including bacillus bacteria for inducing production of volatile organic compounds in plants

A technology of Bacillus and Bacillus, applied in the field of PGPR, can solve problems such as lack of

Active Publication Date: 2014-06-25
AUBURN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Considering that PGPR is being increasingly used in the production of several field crops in some parts of the world (Backman et al., 1997; Cle...

Method used

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  • Inoculants including bacillus bacteria for inducing production of volatile organic compounds in plants
  • Inoculants including bacillus bacteria for inducing production of volatile organic compounds in plants
  • Inoculants including bacillus bacteria for inducing production of volatile organic compounds in plants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Example 1 - Effects of Plant Rhizosphere Growth Promoting Bacteria on Cotton Plant Volatile Induction and Parasitoid Attraction

[0083] Summary

[0084] Parasitoid wasps (parasitoids) are known to utilize various types of host-associated volatile signals as clues to host location. These volatile signals can be plant-based, derived from the herbivore host, or arise from the interaction between the herbivore and its plant host. The success of parasitoids in suppressing pest populations depends on their ability to locate their hosts in complex olfactory and visual environments. Despite the intense attention paid to host-parasitoid interactions, some aspects of olfactory communication in this class of insects are not well understood.

[0085] Here, a study was performed to assess the potential of plant growth-promoting rhizosphere bacteria (PGPR) to induce cotton volatiles and the resulting parasitoid responses. Three PGPR treatments were evaluated: i) Bacillus pumi...

Embodiment 2

[0131] Example 2 - Effect of PGPR on Oviposition Behavior of Beet Spodoptera

[0132] Summary

[0133] Treatment of crops with phytogrowth promoting rhizosphere bacteria (PGPR) has been shown to enhance plant growth and improve plant health in various ways. Previously, these bacteria were studied in models using only 1 or 2 strains of PGPR, limiting our understanding of the ways in which different strains might interact. Furthermore, little is known about the potential impact of PGPR on plant-insect interactions. To determine the effect of PGPR on the oviposition behavior of beet armyworm on PGPR-treated cotton plants, an oviposition selection study was performed. The total number of eggs and egg batches laid on PGPR-treated cotton plants and untreated cotton plants were recorded. Here, beet armyworm showed a preference for laying eggs on untreated cotton plants compared to PGPR-treated cotton plants. On one of the tested PGPR treatments containing B. amyloliquefaciens...

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Abstract

Disclosed are moculants that include Baciiim bacteria and induce production of vciatiie organic compounds (VOCs) by a plant that has been treated with the inoculant.

Description

technical field [0001] The subject matter of the present invention relates to the field of plant growth promoting rhizosphere bacteria (PGPR). In particular, the subject matter of the present invention relates to PGPR, which induces the production of volatile organic compounds in plants treated with said bacteria. Background technique [0002] In fact, the induction of volatile organic compounds (VOCs) in plants has not been investigated, although there is evidence that the induction of plant volatiles is dependent on biological factors such as phytohormones (de Bruxelles and Roberts, 2001; Ament et al., 2004), Elicitors of herbivore origin (Spiteller and Boland, 2003) and associated microorganisms including pathogens (Preston et al., 1999; Cardoza et al., 2002) as well as abiotic factors such as trauma (Mithofer et al., 2005), heavy metals (Mithofer et al., 2004 ) and the interaction of temperature and light (Takabayashi et al., 1994). Plant growth-promoting rhizosphere b...

Claims

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Application Information

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IPC IPC(8): A01N63/00C12N1/20C12R1/07A01N63/22
CPCC12N1/20C12R1/07A01N63/00A01N63/22C12R2001/07C12N1/205A01N2300/00
Inventor 约瑟夫·W·克洛佩尔亨利·Y·法达米洛埃斯特·N·英居姆比凯特·W·南格尔
Owner AUBURN UNIV
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