ANALISA PENGARUH KADAR AIR TERHADAP FLUORESENSI KLOROFIL DAUN BAYAM MENGGUNAKAN METODE PENCITRAAN FLUORESENSI (FLUORESCENCE IMAGING)

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dc.contributor.authorEkayani, Fernika
dc.contributor.authorMinarni
dc.contributor.authorZulkarnain
dc.date.accessioned2016-02-01T02:18:09Z
dc.date.available2016-02-01T02:18:09Z
dc.date.issued2016-02-01
dc.description.abstractFluorescence imaging is a method used to detect the early effects of environmental conditions on plants before the greater damage on plants happen. A fluorescence imaging optical system was built in this research consisted of two LEDs with different wavelength i.e. 450 nm and 680 nm, 3 MP CMOS camera and lens, and ND filters (neutral density filter). The intensities of LED light were varied using three different ND filters which were represented by their optical power. The samples were Amaranthus tricolor L. Spinach varitas. The plants were five different water volume i.e. 75 ml, 100 ml, 125 ml, 150 ml,and 175 ml. The differences between chlorophyll fluorescence intensity of the spinach leaves for all treatments were investigated. The images of leaves after illuminated by the LED lights were recorded by the CMOS camera. The fluorescenced intensities were found from RGB plot using ImageJ software. The research results show that the maximum fluorescence intensity spinach which grow with water volume 75 ml and the minimum fluorescence intensity spinach which grow with water volume 125 ml used LED with wavelength 450 nm and 680 nm. The difference of fluorescence intensity spinach which grow with water volume 75 ml and 125 ml used LED at wavelength 680 nm was seen higher when LED intensity was the lowest which was about 45,32 % difference.en_US
dc.description.sponsorshipFakultas Matematika dan Ilmu Pengetahuan Alam Universitas Riauen_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id/xmlui/handle/123456789/7849
dc.language.isoenen_US
dc.subjectAmaranthus tricolor spinachen_US
dc.subjectchlorophyll fluorescenceen_US
dc.subjectImage Jen_US
dc.subjectfluorescence imagingen_US
dc.subjectwater volume variationen_US
dc.titleANALISA PENGARUH KADAR AIR TERHADAP FLUORESENSI KLOROFIL DAUN BAYAM MENGGUNAKAN METODE PENCITRAAN FLUORESENSI (FLUORESCENCE IMAGING)en_US
dc.typestudent Paper Post Degreeen_US

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