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二、植物的生长调节物质和果树的生长 (一)有些植物为什么矮化据现有材料证明,矮生的树种含有抑制物质多,促进生长的物质少。例如,矮化的M_9含ABA,对位香豆酸多,促进生长的GA类物质少。而乔化的M_16)含对位香豆酸及ABA少,含生长促进物质多。嫁接的金冠/M_9接穗中,GA物质少,金冠/M_1生长势比M_9强,含的GA类就比较多。短枝型金冠ABA多,促进物质少,乔化金冠ABA少,促进物质多。但嫁接
Second, the growth of plant growth regulating substances and fruit trees (A) Why some dwarf plants According to the available materials to prove that the dwarf tree species contain more substances to promote growth less. For example, dwarf M_9 contains ABA, para-coumaric acid, and less GA-promoting substances. And Qiao of the M_16) containing coumaric acid and ABA less, with growth-promoting substances and more. Grafted Golden Delicious / M_9 scion, GA material less, Golden Crown / M_1 growth potential than M_9 strong, containing more GA class. Spur crown ABA and more to promote less material, Joe crown less ABA, to promote more substances. But grafted