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Satoru Kondo, Anan Jitratham, Monrudee Kittikorn, and Sirichai Kanlayanarat

Effects of low temperature and chilling injury (CI) on jasmonic acid (JA) and methyl jasmonate (MeJA) concentrations were investigated in mangosteens (Garcinia mangostana L.). JA concentrations in the skin of fruit stored at 7 °C increased significantly compared with that of those stored at 13 °C, but JA decreased with the occurrence of visible symptoms of CI. Neither an increase in JA nor CI was detected in pulp of fruit stored at 7 °C. JA concentrations in the skin of fruit treated with spermine (Spm) and stored at 7 °C also increased, but at a lesser extent than in untreated fruit. Thus, the response of JA to low temperatures appears to be limited to chill-susceptible parts of the fruit. The decrease of JA and the onset of CI was delayed in fruit treated with Spm kept at 7 °C compared with untreated control fruit. Exogenous application of n-propyl dihydrojasmonate, which is a jasmonic acid derivative, effectively decreased CI. These results suggest that low temperature-induced JA accumulation may play a protective role against CI. The application of jasmonates may increase chill-resistance in fruit.

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Tripti Vashisth and Anish Malladi

abscission agents such as ethephon (2-chloroethylphosphonic acid) and methyl jasmonate (MeJa) occurs primarily at the point of attachment of the pedicel to the peduncle in different types of blueberries ( Malladi et al., 2012 ). This junction is referred to

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Vincent A. Fritz, Veronica L. Justen, Ann M. Bode, Todd Schuster, and Min Wang

Jasmonic acid (JA) and its volatile equivalent, methyl jasmonate (MeJA), are plant hormones involved in chemical and physiological defense responses. MeJA and JA have no direct impact on plant herbivores, but instead contribute to an intracellular

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Satoru Kondo, Hiroko Yamada, and Sutthiwal Setha

developed. Ethylene production is also influenced by other phytohormones. For example, the application of methyl jasmonate (MeJA) inhibited the ACC content, ACC oxidase activity, and ethylene production in grain amaranth ( Amaranthus caudatus L.) seeds

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Xiaojuan Zong, Jiawei Wang, Li Xu, Hairong Wei, Xin Chen, Dongzi Zhu, Yue Tan, and Qingzhong Liu

climate chest in which the temperature was held at 4 °C with a light/dark cycle of 16/8 h. For the salicylic acid (SA) and methyl jasmonate (MeJA) treatments, the plantlets were cultured in solid MS medium complemented with 150 μmol SA and 200 μmol MeJA

Open access

Saquib Waheed, Yuan Peng, and Lihui Zeng

gibberellin (GA 3 ), 8.6 µ m IAA, 75.7 µ m ABA, 100 µ m methyl jasmonate (MeJA)] and sterile water for the control. To investigate the regulation of DlELF4 by DlGI promoter, A. tumefaciens strains containing either of DlELF4 genes or pDlGI::GUS were

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Fatemeh Khodadadi, Masoud Tohidfar, Mehdi Mohayeji, Abhaya M. Dandekar, Charles A. Leslie, Daniel A. Kluepfel, Timothy Butterfield, and Kourosh Vahdati

methyl jasmonate (MeJA) and salicylic acid ( Li and Steffens, 2002 ; Raj et al., 2006 ; Thaler et al., 1999 ; Thipyapong et al., 2004 ). Until now, no clear report of how PPO might affect pathogens has been presented, but several mechanisms for the

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Xue Li, Chen Zang, Hang Ge, Jing Zhang, Donald Grierson, Xue-ren Yin, and Kun-song Chen

), Methyl jasmonate (MeJA) ( Cai et al., 2011 ; Cao et al., 2012 ), and Nitric oxide (NO) ( Xu et al., 2012 ). Thus, loquat fruit is an ideal material for investigating fleshy fruit lignification. Generally, lignification is caused by the accumulation of

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Tripti Vashisth, D. Scott NeSmith, and Anish Malladi

agents such as methyl jasmonate (MeJA) and ethephon in rabbiteye blueberry ( Vashisth and Malladi, 2013 ). In ‘Suziblue’, the fracture plane at the PPJ displayed extensive disruption of cells and a highly uneven surface indicating tearing of tissues ( Fig

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Zhigang Ouyang, Huihui Duan, Lanfang Mi, Wei Hu, Jianmei Chen, Xingtao Li, and Balian Zhong

were sprayed with 100 m m SA (Sigma-Aldrich, Poole, UK), 100 µM methyl jasmonate [MeJA (Sigma-Aldrich)], or 100 µM ABA (Sigma-Aldrich) in solutions containing 0.1% ethanol and 0.02% polyoxyethylene sorbitol anhydride monolaurate (Tween-20; Sigma