98 



AMERICAN CARNATION CULTURE. 



THRIPS. 



These pests have wings and six legs, are quick and active, 

 making short flights, giving the appearance of hopping. They 

 attack carnations in tlie field, and are carried into the houses with 

 the plants. Thrips work their way through the calyxes when 

 carnations are developing their buds, feed on the tender petals, 

 and lay their eggs on the inner side and upper end of the calyx 

 valves. In these crypts they are largely immunes from fumes 

 and sprays. There are but few localities in the states where Thrips 



Appearance of shoot affected by carnation Thrip or Twitter. 



are troublesome. They are a hard enemy to combat, being en- 

 cased in the tissue of the plants, tobacco fumes so feebly nar- 

 cotize Thrips that they mostly recover from the stupor. They are 

 most common with plants grown in sandy soil. 



REMEDY. 



Caustic Potash i lb. 



Fish Oil 3 pts. 



Soft water 2 gals. 



Dissolve the potash in water, add the water, boil and stir for 

 half an hour, use when cold as a spray. This is considered the 



