Influence of Abscisic Acid and the Abscisic Acid Biosynthesis Inhibitor, Norflurazon, on Interactions Between Phytophthora sojae and Soybean (Glycine max)

作者: Kerrie L. McDonald , David M. Cahill

DOI: 10.1023/A:1008705321113

关键词: Phytophthora sojaeFluridoneBotanyGlycineHypocotylAbscisic acidPhenylalanine ammonia-lyaseBiologyAmmonia-lyase activityInoculation

摘要: A comparison was made of the effects abscisic acid (ABA) and ABA biosynthesis inhibitor, norflurazon on interaction between soybean leaves Phytophthora sojae. Inoculation cv. Harosoy resulted in a compatible typified by presence spreading, water soaked lesions with ill-defined margins while inoculation Haro 1272 an incompatible restricted to site. Activity phenylalanine ammonia lyase (PAL) slowly increased but there rapid rise activity within 8 h after inoculation. When plants were treated normally race 1 changed what resembled PAL reduced control levels. There no visible effect combination. In contrast when that which high levels rapidly. 1. Stomata closed 2 resembling response stomata normal interactions not where remained open. On at sites 3 20 mm from point also closed. These results extend confirm idea is molecule may regulate outcome soybeans P.

参考文章(24)
D.M. Cahill, P.F. Morris, E.W.B. Ward, Influence of metalaxyl on abscisic acid levels in soybean hypocotyls infected with Phytophthora sojae Physiological and Molecular Plant Pathology. ,vol. 42, pp. 109- 121 ,(1993) , 10.1006/PMPP.1993.1009
H. S. Steinbach, R. L. Benech-Arnold, R. A. Sanchez, Hormonal Regulation of Dormancy in Developing Sorghum Seeds Plant Physiology. ,vol. 113, pp. 149- 154 ,(1997) , 10.1104/PP.113.1.149
E. Ryerson, A. Li, J.P. Young, M.C. Heath, Changes in abscisic acid levels in bean leaves during the initial stages of host and nonhost reactions to rust fungi Physiological and Molecular Plant Pathology. ,vol. 43, pp. 265- 273 ,(1993) , 10.1006/PMPP.1993.1056
Robert E. Wilkinson, Reversal of norflurazon carotenogenesis inhibition by isomers Pesticide Biochemistry and Physiology. ,vol. 28, pp. 381- 388 ,(1987) , 10.1016/0048-3575(87)90134-9