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将 14 C标记的水杨酸 (salicylicacid ,SA)通过涂抹叶片背面引入葡萄幼苗。试验结果表明 ,水杨酸不易向外运输 ,具有以韧皮部运输为主、向下运输为主的特点。
14 C-labeled salicylic acid (SA) was introduced into grape seedlings by smearing the back of the leaves. The test results show that salicylic acid is not easy to transport outward, with phloem transport-oriented, down-oriented features.