93 MISSOURI STATE HORTICULTURAL SOCIETY. 



1 pound. 



2d — Ilj'posulpliite of soda. 



■Water 10 gallons. 



Apply same as above : 

 3d— Sulphur 1 pound. 



Water 20 gallons. 



I 



i 

 Constant stirring is necessary to keep the sulphur suspended, 

 apply with syringe or force pump. Lime water sprayed on the foliage 

 has proved beneficial. 



Podospliera Imngei is the name of a fungus that frequently attacks 

 the leaves of apples and plums in the nursery causing the leaves to curl 

 and eventually fall from the tree. The fungus appears in August and 

 belongs to the group of fungi known as mildews. The plant body or 

 mycelium is superficial, consequently can easily be destroyed by an 

 application of sulphur as recommended for the scab. 



Fuccinia pruni spi)ios(e. Plum leaf rust. We found this fungus 

 very abundant last year on the leaves of young plum trees. This rust 

 belongs to the same genus as the one that occurs on wheat, oats, etc. 

 We have not heard of any great damage caused by this fungus ; but it 

 may prove troublesome in the future. The spores are dark brown and 

 occur in small tufts on the under side of the leaf. Appears in Septem- 

 ber. 



C(comma nitens. Blackberry rust. This fungus is familiar to all. 

 The disease usually appears in this section about the middle of May or 

 first of June. The same fungus causes the rust on raspberries. As 

 yet no remedy has been discovered; the disease occurs under all con- 

 ditions of soil, temperature and moisture, and usually destroys the host 

 plant. Applications of lime, dust, ashes etc., produce no effect and 

 time expended in applying the same is wasted. 

 About the only preventives are: 



1. Destroy all plants as soon as attacked. 



2. Plant varieties that are known to be free from rust. Kittatinny 

 is the only variety with us that is showing rust. Early Harvest, West- 

 ern Triumph, Snyder and Taylors Prolific are free from it. 



Ramularia tulasnei. Strawberry white rust. Doubtless every one 

 has noticed the white spots encircled by a redish-brown band, that 

 occurs on the leaves of the cultivated strawberry. The spots are caused 

 by the fungus above mentioned; it is not a true rust however, but be- 

 longs to another group of fungi. The spores are usually borne on the 



