Effects of multiple applications of methyl jasmonate on fruit ripening, leaf gas exchange and vegetative growth in fruit trees
Effects of multiple applications of methyl jasmonate on fruit ripening, leaf gas exchange and vegetative growth in fruit trees
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DOI：
10.1080/14620316.2003.11511701
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发表时间：
2003-11-01
影响因子：
1.9
通讯作者：
Flore, JA
中科院分区：
文献类型：
--
作者：
Janoudi, A;Flore, JA
多次应用茉莉酸甲酯（Me-J），在10 mM，提高了桃'Redhaven'果实成熟的速度。Me-J处理6次对果实的红色发育和果实硬度的影响最明显。低浓度的Me-J对果实颜色没有影响。10 mM的Me-J显著降低海棠叶片的气孔导度、光合速率和蒸腾速率，但对桃叶片的这些参数没有影响。Me-J对海棠叶片气体交换的短期抑制作用可持续24 h。十四个应用程序的Me-J在一段时间内的28天导致在叶片中的叶绿素浓度下降60%。这些Me-J的应用也减少了新的分支，叶片数和叶片鲜重的长度分别为65%，31%和47%。在桃子中，Me-J在处理后两周内诱导了一些叶片失绿和叶片早期衰老，导致枝长显着减少。
Multiple applications of methyl jasmonate (Me-J), at 10 mM, enhanced the rate of fruit ripening in peach 'Redhaven'. The effect of Me-J on red colour development and fruit firmness was most pronounced in fruit treated six times with Me-J. Lower concentrations of Me-J had no effect of fruit colour. Me-J, at 10 mM, significantly reduced stomatal conductance, photosynthetic rate and transpiration rate of crabapple leaves, but had no effect on these parameters in peach leaves. The short-term inhibitory effects of Me-J on leaf gas exchange in crabapple persisted for up to 24 h. Fourteen applications of Me-J over a period of 28 days resulted in a 60% decrease in the concentration of chlorophyll in leaves. These Me-J applications also reduced the length of new branches, leaf number and leaf fresh weight by 65%, 31% and 47%, respectively. In peach, Me-J induced some leaf chlorosis and early leaf senescence within two weeks of the treatments which resulted in significant reductions in shoot length.