THE PROPAGATION OF APPLE TREES. 



87 



Dwarf Apple and Pear Nurse Roots. 



Attention is frequently called to the fact that if dwarf apple trees are 

 planted deep enough for the scion to be surrounded by soil it is likely to 

 throw out roots, and the tree intended for a dwarf becomes a standard. 

 To test whether scions worked on dwarf stocks would throw out roots 

 more readily than those on crab stocks, several hundred grafts were 

 made in the usual manner in Series 2 and 3, and the results are shown 

 in Tables 7 and 8. The standard roots were mostly Kansas grown, while 

 the two types of Paradise stocks were imported from France. It has 

 been shown that there are several different types of Paradise, and just 

 which types these were was not determined further than that the English 

 Paradise was larger and stronger growing than the French Paradise 

 stocks. 



The data in Table 7 are not full enough to permit any definite com- 

 parison. The scions grew and rooted about as well on one stock as another. 



Table 8 shows that in Series 2 the trees on dwarf stocks did not give as 

 good a stand, but rooted better than those on standard stocks. Of the 

 former, 43 per cent of the grafts planted gave own-rooted trees, and of 

 the latter, 41 per cent rooted from the scion. The general conclusion 

 is that dwarf roots offer no advantage over standard roots for growing 

 own-rooted trees. 



