Article de revue
Occurrence of deformed leaves in cucumber [Cucumis sativus] plants treated with cold water and its reduction in seedlings derived from TNZ303 (mixture of jasmonic acid and brassinosteroids derivative)-treated seeds [2002]
Asao, T. (Shimane Univ., Matsue (Japan). Faculty of Life and Environmental Science); Tomita, K.; Taniguchi, K.; Ushio, K.; et al.
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The occurrence of deformed leaves in cucumber by the treatment of cold water and its reduction in TNZ303 (mixture of jasmonic acid derivative and brassinosteroids derivative) seed treatment were studied. Treating shoot apices of cucumber seedlings with 4degC water induced the development of deformed leaves and suppressed vegetative growth, whereas treatment with 25degC water had a slight effect on leaf deformity. Immersion of seed in 1000 X dilution of TNZ303 for 24 hr decreased the occurrence of deformed leaves and mitigated the suppression of vegetative growth of seedlings whose apices were treated with 4degC water. These results indicate that seed treatment with TNZ303 can overcome the occurrence of deformed leaves by elevating plant's cold tolerance.
