
BE T Ton * MURS Geb 

Another good way to support black cloth for shading. The pipe frame 
also supports the wire and cross strings. 
Haven, Conn. 
That’s Walter Ginter, New 
able to provide a 60° house, better let it alone. Also cut- 
tings used for off-season crops must be from lighted stock 
plants. We have such cuttings available of most varieties 
if order is placed well in advance. Where lights are indi- 
cated, use 60 Watt bulbs 4 ft. apart, with reflectors. 
For complete schedule on year ‘round flowering of both 
Mums and Pomps, write for our Mum Crop Schedule. 
Also, the September 1949 issue of our “Grower Talks” con- 
tains more details, especially on single stem growing sched- 
ules. 
INSECT CONTROL 
A most important part of growing better Mums. The 
big trick here is always to anticipate trouble, or failing that, 
get really busy at the first sign of infestation. 
A GOOD PREVENTIVE PROGRAM: Weekly spraying 
with Vapotone 1 to 800, plus Santomerse 1 to 1000, plus 
Fermate 1 pound per 100 gallons will control most insects 
and the main foliage diseases. 
1. MIDGE. We found the following a very effective 
control: Apply sodium selenate to soil at recommended rate 
(14, gram per square foot if concentrated powder is used). 
We put this on with a hozon siphon applicator. Wash 
foliage with water after application to avoid burn. This 
gave slight injury on one bench where Stock plants were 
not yet well established; not serious. 
Besides that, we dusted weekly with DDT. dust—for 
nearly two months. No new galls were seen after 30 days. 
2. RED SPIDER. Troublesome, especially in warm 
weather. Daily “wetting down” of foliage helps. We de- 
pend largely on Parathion bombs for control of spider, 
aphis, and most other Mum insects. Vapotone spray 1 to 
800 is excellent—use a good spreader. 
3S THRIP: 
effective. 
Detex or any good DDT spray is very 
Wal 
Be ORK. BSE SOP Reg Secress, 
elt ais 
WEST CHICAGO 
ILLINOIS 
4. APHIS. Parathion bomb (or spray) very good. Vapo- 
tone spray 1 to 800 with spreader is also excellent. 
5. LEAF MINER. Nicotine liquid used 1 to 200 with 
soap spreader is the best control. 
6. MEALY BUG. The new Dimite spray used 1 to 800 
with a good spreader is very effective. Vapotone 1 to 800 
with a spreader is good. 
7. LEAF ROLLER (tier), and cut worms. Detex or 
any good DDT spray. 
8. FOLIAR NEMATODE. Select cuttings from clean 
plants and bench only in sterilized soil. Also, if infesta- 
tion occurs, keep foliage dry at all times. Splashing water 
spreads the worms. Some infestation may be cleaned up 
with sodium selenate. Apply at strength recommended on 
container 2 weeks after planting. Then repeat in another 
2 weeks. May injure some varieties. 
9. GRASSHOPPERS. Chlorodine powders are best. 
PRINCIPAL DISEASES 
1. STUNT. Principal symptoms are dwarfing of plant 
and blooms to about 1/, to 2/3 normal size, earlier bud and 
bloom formation, and on red varieties a notably paler color. 
Otherwise plants ate normal. Stunt does not cause any 
shriveling of leaves or rotting of the plant. 
Control: First start with cuttings nearly free as possible 
of the disease. Thorough steaming of soil to 180° for 30 
minutes is vital to prevent re-infection from the soil. Rigid 
insect control is equally important in view of possible spread 
of the disease from healthy to clean plants. Like most 
diseases it attacks certain varieties worse than others. Once 
a plant is infected, there is no cure. 
2. VERTICILLIUM (Seidewitz Disease) is a serious 
Mum problem. Starting at edges, leaves turn yellow, dry 
up—usually from the bottom of the plant first. Some va- 
rieties take it worse than others. Only known control is to 
plant cuttings which have been cultured against it—and be 
sure to use sterilized soil. Steam preferred. 
3. SEPTORIA. Small dark brown spots, increasing in 
size, finally causing leaves to drop. Attacks lower leaves 
first. Most serious on outdoor plantings. Delay propagat- 
ing till long shoots are available; take only a short cutting 
out of the tip. Dip cuttings in Fermate, 1 Ib. per 100 
gallons of water. Keep foliage dry in sand and clear thru 
growing period. After planting, spray plants with Fermate 
1 lb. per 100 gallons every 10 days till plants are 18 inches 
high. Spraying is especially important on outdoor plantings 
in rainy seasons. 
4. MILDEW. Sulfur dust is effective if no colored 
flowers are present. Malachite green spray may be used. 
Greenol (California Spray and Chemical Co.) with Santo- 
merse S, 1 to 2000, has been recommended recently as being 
very effective. 
5. RUST. Same spray program as was recommended for 
Septoria leaf spot. 
20 One layer of wire and cross strings should be enough support for either Pomps or Standards. 
