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Combinations of fungicidally active yeast and fungicides

A technology of fungicide and composition, which is applied in the field of composition for protecting fruits and vegetables, can solve the problems such as unsatisfactory performance of yeast, and achieve high fungicidal activity

Active Publication Date: 2012-05-30
BAYER CROPSCIENCE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of this yeast also remains not entirely satisfactory under conditions of severe disease stress

Method used

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  • Combinations of fungicidally active yeast and fungicides
  • Combinations of fungicidally active yeast and fungicides
  • Combinations of fungicidally active yeast and fungicides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] Shemer TM It is a commercially available product containing a 56% WG (wettable granule) preparation of Metschniella drupola NRRL Y-30752. The preparation contains a minimum of 1.6 x 10 10 cfu / g (cfu / g = colony forming units per gram of product).

[0097] Peach trees were applied in Italy and France in July and August 2008. Apply tebuconazole and fluopyram 200+200g SC (suspension concentrate) 3 times, once every 7 days, BBCH 81-85, and the safety interval (Pre Harvest Interval, PHI) is 7 days. Apply Shemer TM 4 times, BBCH 81-87, PHI 1 day.

[0098] In the third treatment regimen, BBCH 81, followed by two doses of tebuconazole and fluopyram, BBCH 85 and BBCH 87, two doses of Shemer, all with an interval of 7 days, and finally Shemer TM The PHI is 1 day.

[0099] All products were applied by motor driven sprayers in a water volume of 400 L / ha.

[0100] The application rate of tebuconazole and fluopyram is 150+150g ai / ha. Shemer TM The application concentration is...

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Abstract

Compositions are provided that improve overall plant vigor and yield by combining agriculturally effective amounts of at least one environmentally friendly biological control agent and at least one chemical fungicide. A composition of the present invention is particularly effective in the presence of fungal species. Use of a composition of the present invention leads to an overall reduction in crop losses caused by fungi and this reduction is much greater than would have been expected from application of either component alone. Methods for utilizing compositions of the present invention are also provided. Further the compositions according to this invention display synergistic insecticidal and / or fungicidal activity.

Description

technical field [0001] The present invention relates generally to compositions and methods for reducing overall damage to plants and plant parts and loss of harvested fruit or vegetables caused by phytopathogenic fungi or other harmful microorganisms. In particular, the present invention relates to compositions and methods for protecting fruits and vegetables during the growing season, pre-harvest and post-harvest. Background technique [0002] Metschnikowia fructicola, in particular the strain NRRL Y-30752, is known from US 6,994,849 B2. This yeast is excellent for protecting plants and plant parts against attack by phytopathogenic fungi. However, the performance of this yeast also remains not entirely satisfactory under conditions of severe disease stress. Contents of the invention [0003] Surprisingly, it was found that yeast containing a) fungicidal activity (also referred to as a biocontrol agent in the context of the present invention), in particular Metchia drupe...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N63/04A01P3/00A01N63/32
CPCA01N43/653A01N63/04A01N43/40A01N63/32A01N2300/00A01N63/30
Inventor 皮特·霍华德·戴维斯狄瑞坤·艾宾浩斯安德里亚斯·戈尔茨史蒂芬·卡尔博讷
Owner BAYER CROPSCIENCE AG
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