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Ronoubigouwa Ambouroue Avaro Michael@iGabonj

TitleG @Grain quality and yield of NERICA (Oryza sativa x O. glaberrima) and Tchibanga (O. sativa)
and their progeny lines derived from the crossing with Koshihikari

Papers
1. A Simple and Low-cost Method to Classify Amylose Content in Rice Using a Standard Color Chart. Plant Prod. Sci. 12(1):97-99. pdf

2. An Alternative Method to Predict Amylose Content in Rice Grain by Using Tristimulus CIELAB Values and Developing a Specific Color Board of Starch-iodine Complex Solution. Plant Prod. Sci. submitted.
Michael Ronoubigouwa Ambouroue Avaro, Zhongli Pan, Yoshiharu Wada, Tomohiko Yoshida
Amylose content was predicted by measuring tridimensional L*a*b* values in starch-iodine solutions and building a regression model. The developed regression model there was a highly significant relationship (R2= 0.99) between the L*a*b values and the amylose content. Apparent amylose content was strongly and negatively correlated with L*a*b* values. This method can be used to predict amylose content in rice. The conversion of L*a*b* values to RGB values and to color hexadecimal codes allowed reproducing the colors of starch-iodine solution and making an explicit color board. From this specific color board, entries could be assorted in their respective classes and their amylose content could be closely and easy estimated. While this proving to be applicable to rice and possibly to other starch based crops.

MS Thesis;
Characteristics of NERICA in two different ecosystem (upland and lowland)i–{•Ά@PDF1.04Mj
(ˆΩ‚Θ‚ιŠΒ‹«πŒi”¨‚Ɛ…“cj‰Ί‚Ε‚ΜNERICA•Δ‚Μ“Α«)

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