不同浓度6-BA和GA_3处理对豆梨实生苗生长的影响

Effects of Different Concentration 6-BA and GA_3 Treatments on Growth of Callery Pear Seedlings

为了加快豆梨的育苗进程,以1年生豆梨实生苗为材料,研究不同浓度的6-BA和GA3对其幼苗生长的影响。结果表明:以400 mg/L的6-BA对豆梨苗的增粗最有利,以800 mg/L的GA3最有利于豆梨苗的增高,但不利于其增粗。因此,为尽快达到嫁接的粗度,生产中可以适当喷施400 mg/L的6-BA处理。

In order to speeding up the breeding process of callery pear, Pyrus calleryana Dcne., the effect of different concentrations of 6-BA and GA3 on growth of the 1 year callery pear seedlings were studied. The resultsshowed that the stem diameter of 400 mg/L 6-BA treatment was the maximum. The height of callery pear in 800mg/L GA3 treatment was the maximum but its stem diameter was not favored. So, we can spray appropriate concen-tration 6-BA in production, for example 400 mg/L, to increase its stem diameter for grafting.