RU2014148848A - OPTICAL METHOD FOR ASSESSING THE FUNCTIONAL STATE OF PLANTS AND A DEVICE FOR ITS IMPLEMENTATION - Google Patents
OPTICAL METHOD FOR ASSESSING THE FUNCTIONAL STATE OF PLANTS AND A DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2014148848A RU2014148848A RU2014148848A RU2014148848A RU2014148848A RU 2014148848 A RU2014148848 A RU 2014148848A RU 2014148848 A RU2014148848 A RU 2014148848A RU 2014148848 A RU2014148848 A RU 2014148848A RU 2014148848 A RU2014148848 A RU 2014148848A
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- light scattering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
Оптический способ оценки функционального состояния растений, включающий измерение оптических параметров хлорофиллсодержащих тканей, отличающийся тем, что регистрируют динамику светорассеяния фотосинтезирующей растительной ткани в процессе засветки монохроматическим оптическим излучением синей области спектра (в зоне первого максимума поглощения хлорофилла 460-480 нм) плотностью мощности 150-400 Вт/мв течение 20-40 секунд, затем активируют монохроматическое зондирующее излучение красной области спектра (в зоне второго максимума поглощения хлорофилла 650-660 нм) плотностью мощности 2500-6000 Вт/м, и в течение последующих 30-120 секунд продолжают регистрировать динамику светорассеяния того же самого участка ткани; о фотосинтетической активности и устойчивости к фотодеструкции судят по величине и знаку показателей α и β, которые рассчитываются по формулам: Itи It, где |α| - скорость изменения интенсивности светорассеяния в течение засветки оптическим излучением синей области спектра; I- средняя интенсивность светорассеяния в первые 1-3 секунды засветки оптическим излучением синей области спектра; |β| - скорость изменения интенсивности светорассеяния в течение засветки оптическим излучением красной области спектра; I- средняя интенсивность светорассеяния в первые 1-3 секунды засветки оптическим излучением красной области спектра; t - текущее время; при этом, чем выше значение модулей данных показателей при отрицательном знаке, тем выше фотосинтетическая активность и устойчивость к фотодеструкции, и чем выше значение модулей показателей α и β при положительном знаке,- тем слабее фотосинтетическая активность и устойчивость к фотодеструкции.An optical method for assessing the functional state of plants, including measuring the optical parameters of chlorophyll-containing tissues, characterized in that the light scattering dynamics of photosynthetic plant tissue is recorded during exposure to the blue spectral region (in the region of the first absorption peak of chlorophyll 460-480 nm) with a power density of 150-400 W / mV for 20-40 seconds, then the monochromatic probing radiation of the red region of the spectrum is activated (in the zone of the second absorption maximum I chlorophyll 650-660 nm) with a power density of 2500-6000 W / m, and for the next 30-120 seconds they continue to record the dynamics of light scattering of the same tissue site; photosynthetic activity and resistance to photodestruction are judged by the magnitude and sign of the indicators α and β, which are calculated by the formulas: It and It, where | α | - the rate of change of light scattering intensity during exposure to optical blue region of the spectrum; I - the average light scattering intensity in the first 1-3 seconds of exposure to optical blue region of the spectrum; | β | - the rate of change of light scattering intensity during exposure to optical radiation in the red region of the spectrum; I is the average light scattering intensity in the first 1-3 seconds of exposure to optical radiation in the red region of the spectrum; t is the current time; in this case, the higher the value of the moduli of these indicators with a negative sign, the higher the photosynthetic activity and resistance to photodegradation, and the higher the value of the modules of the indicators α and β with a positive sign, the weaker the photosynthetic activity and resistance to photodegradation.
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RU2014148848/13A RU2592574C2 (en) | 2014-12-03 | 2014-12-03 | Optical method for assessing functional state of plants |
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RU2014148848/13A RU2592574C2 (en) | 2014-12-03 | 2014-12-03 | Optical method for assessing functional state of plants |
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RU2014148848A true RU2014148848A (en) | 2016-06-27 |
RU2592574C2 RU2592574C2 (en) | 2016-07-27 |
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RU2014148848/13A RU2592574C2 (en) | 2014-12-03 | 2014-12-03 | Optical method for assessing functional state of plants |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2688464C1 (en) * | 2018-03-20 | 2019-05-21 | Федеральное государственное бюджетное научное учреждение "Федеральный научный центр имени И.В. Мичурина" | Method for non-destructive diagnostics of plant functional status ex vitro and in vitro |
RU2756526C2 (en) * | 2020-03-24 | 2021-10-01 | Федеральное государственное бюджетное научное учреждение "Федеральный научный центр имени И.В. Мичурина" | Optical method for assessing the functional state of plants |
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RU2316366C2 (en) * | 2006-02-08 | 2008-02-10 | ООО "Наука-Сервис-Центр" | Photodynamic method for inactivating bacteria |
RU2364077C2 (en) * | 2007-09-26 | 2009-08-20 | Ольга Николаевна Будаговская | Method of visual estimation of photoinhibition and photodegradation resistance of plants |
RU2384045C2 (en) * | 2008-04-17 | 2010-03-20 | Государственное научное учреждение Всероссийский научно-исследовательский институт садоводства им. И.В. Мичурина (ГНУ ВНИИС) | Method for assessment of apple tree plants reaction at latent virus infection |
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