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Biochemical Resistance Mechanism Study of Jatropha curcas (Euphorbiaceae) Against Lasiodiplodia theobramae , a Leaf Blight and Necrosis Agent

Author

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  • Sama Hemayoro*

    (Laboratory of Biochemistry and Applied Chemistry (LABIOCA), University of Ouaga I Professor Joseph Ki-Zerbo, 03 BP 7021 Ouagadougou, Burkina Faso)

  • Sombié Pierre Alexandre Eric Djifaby

    (National Center of Scientific Research and Technology, Institute of Environment and Agricultural Research, Crop Production Department, 01 P.O. Box 476 Ouagadougou, Burkina Faso Laboratory of Biochemistry and Chemistry Applied (LABIOCA), University of Ouaga I Professor Joseph Ki-Zerbo, 03 BP 7021 Ouagadougou, Burkina Faso)

  • Hilou Adama

    (Laboratory of Biochemistry and Applied Chemistry (LABIOCA), University of Ouaga I Professor Joseph Ki-Zerbo, 03 BP 7021 Ouagadougou, Burkina Faso)

  • Bonzi Schemaeza

    (Rural Development Institute (IDR), University Nazi Boni (UNB), 01 BP 1091 Bobo-Dioulasso, Burkina Faso)

  • Irénée Somda

    (Rural Development Institute (IDR), University Nazi Boni (UNB), 01 BP 1091 Bobo-Dioulasso, Burkina Faso)

Abstract

This study was initiated in order to understand the biochemical mechanisms involved in the resistance of J. curcas to Lasiodiplodia theobromae. Artificial inoculations were done on young seedlings leaves of 8 J. curcas local accessions from Burkina Faso including 4 resistant and 4 susceptible. Two extractions were made for the evaluation of each biochemical parameter: one on the 1st day before and the second on the 7th day after inoculation. The study revealed that the response of J curcas to L. threobromae infection is depending to the resistance or the susceptibility of accessions. It showed an increase in the content of biomolecules synthesis such as phenolic, flavonoids, proteins, photosynthetic pigments, salicylic acid and also an increase of catalase and trypsin inhibition activities. In susceptible accessions, the study revealed a decrease in the photosynthetic pigments and an increase in MDA content comparatively to resistant accessions. The ACP performed on the basis of the evaluated biochemical parameters showed that the axis F1 allows the separation of the resistant and the susceptible accessions, and indicated that the resistance of accessions result in the activation of biomolecules synthesis such as phenolic, flavonoids, proteins, photosynthetic pigments, salicylic acid and stimulation of catalase and trypsin inhibition activities. The F2 axis is associated with sugars content and, chymotrypsin inhibition and SOD activities. In susceptible accessions, an increase in MDA content and SOD activity were observed. This study represents an important step in combating leaf fungal diseases by opting to the green technology and by breeding for genotypes with inducing natural defense compounds.

Suggested Citation

  • Sama Hemayoro* & Sombié Pierre Alexandre Eric Djifaby & Hilou Adama & Bonzi Schemaeza & Irénée Somda, 2018. "Biochemical Resistance Mechanism Study of Jatropha curcas (Euphorbiaceae) Against Lasiodiplodia theobramae , a Leaf Blight and Necrosis Agent," Journal of Agriculture and Crops, Academic Research Publishing Group, vol. 4(12), pages 176-185, 12-2018.
    • Handle: RePEc:arp:jacarp:2018:p:176-185
    DOI: 10.32861/jac.412.176.185
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    References listed on IDEAS

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    1. Adama Hilou & Adjima Bougma & Mamoudou H. Dicko, 2017. "Phytochemistry and Agro-Industrial Potential of Native Oilseeds from West Africa: African Grape ( Lannea microcarpa ), Marula ( Sclerocarya birrea ), and Butter Tree ( Pentadesma butyracea )," Agriculture, MDPI, vol. 7(3), pages 1-11, March.
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