520 



HORTICULTURE 



April 21, 1917 



UNRIVALLED SPECIMEN CHRYSANTHEMUMS. 







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photo by Anteriotttt Pri'ss Association 



Specimen Trained Ch kysanthemdm Plants. 



By John Cauuing, Supt. for 



In presenting the above picture It 

 is almost needless to say that the ex- 

 hibit portrayed was the work of that 

 master of chrysanthemum training, 

 John Canning, superintendent of the 



Adolph Lewisobn, Ardsley-on-Hudson, at Fall Show, New York, 1916 



Lewisohn estate at Ardsley, N. Y., for 

 the marvelous products of Mr. Can- 

 ning's skill are known far and wide. 

 We sffow them at this season of the 

 year as an incentive to those ambi- 



tious growers who are now nursing 

 the young material for next autumn's 

 exhibitions, giving them an ideal to 

 aim for, even if they cannot hope to 

 equal the wondrous achievements of 

 John Canning. 



are rather reddish, though somewhat 

 orange-tinged. Their principal injuries 

 are to indoor plants, but they are also 

 found in the open. When only a few 

 are present they are not noticeable; 

 but when they are abundant, the 

 leaves become pale in color and 

 stunted. They effect their injury by 

 sucking the juices from the leaves. In- 

 doors they are more resistant to fumi- 

 gation than are aphids or tlirips. As 

 they are very sensitive to moist con- 

 ditions, the main method of control is 

 by a thorough syringing with water. 

 Sanitary methods of keeping down all 

 weeds harboring them, and burning in- 

 fested parts of the plants, are of prime 

 importance. 



A number of cases of injury by a 

 black blister beetle have been report- 

 ed. This is no doubt a beetle of the 

 genus Epicauta, or possibly Meloe. 



Van Fleet and others report the oc- 

 cun-ence of a Diabrotica beetle. 

 These are yellowish green, much like 

 the cucumber beetles. On the trial 

 grounds at Cornell they caused some 

 injury by eating the unopened buds. 



K very plentiful they may be shaken 

 on to sticky paper, as recommended 

 by the California State Commission of 

 Horticulture. 



In Success with Flowers (Anony- 

 mous reference. 1901), a subscriber 

 who inquires as to eitective treatment 

 for a root aphis, or root louse, which 

 it is difficult to reach with insecticides, 

 is answered as follows: 



The piece of groimd to he planted with 

 gUidiolus may be cleared of tlie insects by 

 the use of coarsely ground tobacco that can 

 be purchased at about ten cents a pound. 

 A heavy dressing of the tobacco can be 

 spread on the ground and forked in im- 

 mediately before planting, or it may be dug 

 in between the plants later in the season. 

 . . . Potasli salt in the form of kainit 

 has been found to be injurious or destruc- 

 tive to the insects: nitrate of soda produces 

 similar effects. If, therefore, these sub- 

 stances shonld be used as fertilizers. . . . 

 tliey would at tlie same time destroy the 

 pests, or at least lessen their number to 

 tile extent of rendering them harmless. 



Cutworms have been especially 

 abundant of late. They are the noc- 

 turnal larvae of owlet moths, and ac- 

 cording to Powell (1915) "start their 

 depredations early in May. or even in 



late April, and continue, until about 

 the middle of June." The best remedy 

 seems to be a poisoned bait made in 

 one of various ways. For small gar- 

 den spots a little paris green is mixed 

 with some bran, the mixture then be- 

 ing made into a thick mush by the 

 addition of sufficient molasses and 

 water. This is sprinkled along the 

 rows of gladioli. Munroe (1915) states 

 that when large fields need to be 

 treated, it is best to spread the bran, 

 perhaps about a hundred pounds, on 

 a bam floor, and sprinkle it with 

 sweetened molasses water (enough to 

 make it crumbly) ; over this is then 

 scattered a pound of paris green, and 

 the whole is mixed together thor- 

 oughly. 



GREENHOUSES BUILDING OR 

 CONTEMPLATED. 



Parkville, Mo. — Park College, one 

 house. 



Monticello, III.— J. R. Dills, range of 

 houses. 



Waterford, Ct. — George Currie, one 

 house. 



