336 AGRICULTURE FOR BEGINNERS 



Bordeaux Mixture : a mixture invented in Bordeaux, France, to 



destroy disease-producing fungi. 

 Bud (noun) : an undeveloped branch. 

 Bud (verb) : to insert a bud from the scion upon the stock to insure 



better fruit. 

 Bud variation : occasionally one bud on a plant will produce a branch 



differing in some ways from the rest of the branches ; this is bud 



variation. The shoot that is produced by bud variation is called 



a sport. 



Calyx : the outermost row of leaves in a flower. 

 Cambium: the growing layer lying between the wood and the bark. 

 Canon : the shank bone above the fetlock in the fore and hind legs 



of a horse. 

 Carbohydrates : carbohydrates are foods free from nitrogen. They 



make up the largest part of all vegetables. Examples are sugar, 



starch, and cellulose. 

 Carbolic acid : a chemical often used to kill or prevent the growth of 



germs, bacteria, fungi, etc. 



Carbon : a chemical element. Charcoal is nearly pure carbon. 

 Carbon disulphide : a chemical used to kill insects. 

 Carbonic acid gas : a gas consisting of carbon and oxygen. It is pro- 

 duced by breathing, and whenever carbon is burned. It is the 



source of the carbon in plants. 



Cereal : the name given to grasses that are raised for the food con- 

 tained in their seeds, such as corn, wheat, rice. 

 Cobalt : a poisonous chemical used to kill insects. 

 Cocoon : the case made by an insect to contain its larva or pupa. 

 Commercial fertilizer : an enriching plant food bought to improve soil. 

 Compact : a soil is said to be compact when the particles are closely 



packed. 

 Concentrated : when applied to food the word means that it contains 



much feeding value in small bulk. 

 Contagious : a disease is said to be contagious when it can be spread 



or carried from one individual to another. 

 Cross : the result of breeding two varieties of plant together. 

 Cross pollination : the pollination of a flower by pollen brought from 



a flower on some other plant. 



