184 STATE HORTICULTURAL SOCIETY. 



immunity. I find this insect most troublesome upon sandy or friable soils. On the 

 light sands of Sussex and Caroline counties the borers have to be removed once a year 

 and sometimes twice. Otherwise the orchards would soon be destroyed. 



May 13, 1889. Apparently still diseased. The suspicious appearances are upon the 

 trunk near where the limbs were removed. 



September 17, 1889. Still diseased. Six inches below the lowest excision there is a 

 feeble, much-branched yellows shoot. The smaller limb was blown away by the 

 tornado. The remaining limb is now plainly diseased. Its spring foliage is full-grown, 

 but lighter green than should be, and is somewhat inclined to droop and curl. There 

 are also well-marked, feeble yellow shoots on several branches at distances of eight to 

 ten feet from the excision. No fruit. 



October 11, 1890. Most of the foliage has fallen; what remains is abnormally reddish. 

 The tree is twiggy, and there are signs of disease in the top. One stem shoot also bears 

 fifteen buds, which have germinated recently. No fruit this year. 



(15) August 10, 1888. Variety, Christiana. Two limbs were removed, both from one 

 side ; one limb was left. Nearly all of the fruit on both of the excised limbs was pre- 

 mature; on both limbs three feet above the cut diseased shoots had pushed through the 

 rough bark, but were only from one half inch to two inches long. On one of the limbs 

 at the same height there were also stout, healthy-looking shoots of this season's growth. 

 The other limb bore an additional fifteen or twenty feeble shoots five to eight feet 

 above the cut. These were one or two inches long and had also developed from 

 obscure buds buried in the bark or formed in the cambium. The stumps were sound 

 and the spring foliage was healthy. The remaining limb bore green peaches and healthy 

 foliage, but I had little hope of saving it, owing to the number of branches which mani- 

 fested symptoms. 



May 13, 1889. Apparently still diseased. A number of feeble shoots are pushing on 

 the base of the limbs. 



September 17, 1889. Still diseased. Half a dozen lusty shoots have grown from the 

 base of the remaining limb, and three of these are much branched, feeble at the extrem- 

 ities, and badly diseased. The leaves upon the crown of the tree are of normal size and 

 color, but are somewhat curled. 



October 11, 1890. The spring foliage is of good size, but is unnaturally rolled and 

 curled, reddish and yellowish green and unhealthy looking. The winter buds are 

 germinating upon four different shoots. 



(16) August 10, 1888. Variety, Oldmixon. Two limbs were removed, both on one side. 

 Each of the excised limbs bore a few high-colored, red-spotted peaches, and a much 

 larger number of green ones. About four and a half feet above the cut one branch bore 

 a few small unbranched, but diseased sprouts. There were no others on the tree. The 

 stumps were sound. The remaining limbs bore many green peaches and excellent 

 foliage. There was no trace of yellows. 



May 13, 1889. Apparently still diseased. The suspicious shoots are on the base of 

 the main limbs. 



September 17, 1889. The tree is still diseased, and in all parts. Numerous, branched, 

 feeble shoots have grown from the trunk and from the stubs of both excised limbs. 

 These feeble shoots also occur on all of the larger branches and even in the top of the 

 tree. The spring foliage is curled and yellow. This tree is much worse than any yet 

 examined. No fruit this year. 



October 11, 1890. Nineteen twentieths of the foliage has fallen; what remains is rolled, 

 curled, and very red. The winter buds are now germinating on a dozen different shoots. 

 No fruit in 1890. 



(17) August 10, 1888. Variety, Reeves' Favorite. One limb was removed. This 

 biparted 10 inches above the cut. The larger fork bore healthy, green peaches and the 

 smaller one bore twenty to thirty ripe peaches, which, however, were confined to two 

 small branches. There were no diseased shoots. The stump was sound and the foliage 

 was luxuriant. The remaining limbs were loaded with green peaches and the foliage 

 was like that of the excised limb. 



May 13, 1889. The entire top was blown away by the tornado of August 21, 1888. 

 Apparently, the stubs of the limbs are still diseased. 



September 17, 1889. Branched, diseased growths now cover the whole upper part of 

 the trunk. They have grown from the stubs of each limb, and also very abundantly from 

 several places on the body below the excision. On thqf trunk they are very wiry and 

 feeble. 



October 11, 1390. This stub is trying hard to live. It now bears thrifty shoots, 

 provided with an abundance of foliage of normal size and nearly natural color, which is 

 now yellowing and nearly ready to fall. But it also bears a half dozen spindling, sickly 

 branched shoots, and winter buds are now pushing on a number of others. 



