Methods for treating live plants or live plant parts or mushrooms with UV-C light

A UV-C and plant technology, applied in botany equipment and methods, plant preservation, gardening methods, etc., can solve the problems of not specifying UV-C, etc.

Inactive Publication Date: 2009-01-07
净化灯公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No indication that UV-C can be used as such or what doses may be effective

Method used

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  • Methods for treating live plants or live plant parts or mushrooms with UV-C light
  • Methods for treating live plants or live plant parts or mushrooms with UV-C light
  • Methods for treating live plants or live plant parts or mushrooms with UV-C light

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0123] Example 1 - Controlling Botrytis on Tomato Plants

[0124] Tomato plants grow in rows in a greenhouse. On the rails (eg heating tubes) between some rows were placed fixtures comprising two UV-C lamps, one at the front end on either side of the fixture, placed at a height such that the UV-C light contacted approximately 2 / 3 of the stem.

[0125] The amount of Botrytis cinerea mycelium on the stem surface of UV-C treated plants and control plants was assessed periodically. This estimation enables finding the optimal UV-C dosage that damages the botrytis and increases the yield of the treated plants.

[0126] By periodically treating the tomatoes, botrytis growth is reduced, which delays or prevents the botrytis from completely surrounding the tomato stem, and thus increases tomato lifespan and yield.

Embodiment 2

[0127] Example 2 - Reduction of sporangia germination of Phytophthora infestans

[0128] Estimation of the effect of UV-C dose rate on sporangia of Phytophthora infestans on water agar. Phytophthora infestans sporangia were plated on 1% water agar and exposed to different doses of UV-C. Germination of 100 sporangia per plate was assayed. Each dose rate includes four replicas.

[0129] image 3 The result is shown. Data points represent the mean of four replicate plates. Repeat the experiment. Solid points represent data from Experiment 1 and open points represent data from Experiment 2. Error bars represent standard deviation.

[0130] The results showed that the viability of P. infestans reproductive structures was significantly reduced using UV-C light. Use about 6-10mJ / cm 2 UV-C, the percent germination was reduced by at least 80%.

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Abstract

The present invention relates to a method for controlling pathogen growth on live plants and mushrooms using UV-C light and an apparatus for use in the method. Also provided are methods for removing surplus leaves and methods for destroying aerial plant parts prior to harvest of underground roots, tubers or bulbs.

Description

field of invention [0001] The present invention relates generally to methods of agricultural production and, more particularly, to reducing or eliminating damage to living plants or mushrooms caused by phytopathogens, such as Botrytis, Phytophthora, and others. The use of UV-C light to control the growth of pathogens on living plants, or parts of plants, or mushrooms, without negatively affecting the growth, development and yield of the plants or mushrooms. The invention also relates to a device for controlling the growth of pathogenic microorganisms. Also provided are methods of removing excess foliage from living plants using UV-C light, and methods of disrupting aerial plant tissue of subterranean crops prior to harvest. Background of the invention [0002] Effectively protecting crops against infection and damage caused by pathogenic microorganisms has long been a tricky area of ​​agriculture. In particular, infections by phytopathogenic fungi, such as fungi of the gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N3/00A61L2/10A01G7/06A01G7/04A01G9/20A23B7/015A23L3/28A01M21/00
CPCA01G7/04A01N3/00A61L2/10A61L2/0011A23L3/28A23B7/015A01G7/045A01G7/06Y02P60/14
Inventor A·艾金F·沃黑詹
Owner 净化灯公司
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