Effect of red- and blue-light-emitting diodes on growth and morphogenesis of grapes |
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Authors: | Puspa Raj Poudel Ikuo Kataoka Ryosuke Mochioka |
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Institution: | (1) Faculty of Agriculture, Kagawa University, University Farm, Showa, Sanuki Kagawa, 769-2304, Japan;(2) Faculty of Agriculture, Kagawa University, Miki Kagawa, 761-0795, Japan |
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Abstract: | The effect of red- and blue-light-emitting diodes on shoot and root growth of Hybrid Franc grape, a rootstock cultivar, along
with two other grape genotypes, Kadainou R-1 and Vitis ficifolia var. ganebu, were investigated in vitro. Plants cultured under red-light-emitting diodes produced the longest shoots with longer internodes
for all genotypes. The chlorophyll content measured as SPAD value and leaf number per explant were highest on plants cultured
under blue-light-emitting diodes in all the genotypes. Blue light was also responsible for a higher number of stomata in all
the genotypes; however, there was no significant difference in size of stomata in all genotypes under the different light
conditions tested. Different light-emitting diodes did not affect the rooting percentage of Hybrid Franc but red-light-emitting
diodes gave a higher rooting percentage along with higher root numbers for the two other grape genotypes. |
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Keywords: | Hybrid Franc In vitro Light quality Shoot growth Propagation |
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