PROPAli \110N BY SEEDS AND SPOR 



placed in a warm room where an even temperature can be 

 maintained. The spores will germinate in three to six 

 weeks. 



EXERCISK> 



1 . What is plant propagation ? 



2. What are the advantages of testing seeds before planting ? 



3. Has your state any law regarding the amount of wood 

 seeds that a given sample of seed may contain ? If so, how 

 much does the law allow? 



4. What is the relation of the depth of planting to the oxygen 

 supply? 



5. Explain in detail the method of stratifying seeds. 



6. How does a spore differ from a seed ? 



7. If red clover seed containing 305,000 seeds per pound is 

 composed of 3 per cent weed seeds by count, how many weed 

 seeds are sown in a square foot when the clover is sown at the 

 rate of 10 pounds per acre? 



8. If a seed sample contains 95 per cent of pure seed, of which 

 90 per cent germinates, what per cent of the entire sampU 

 viable? 



9. Examine samples of radish, spinach, lettuce, celery, 

 parsnip, carrot, cucumber, melon, and other important \\ 

 table seeds at hand. Describe the form, color, size, texture, 

 taste, and smell of each. 



(To the teacher: Make mixtures of these seeds .and have 

 students separate and identify each kind.) 



10. Make a germination test of 100 seeds each of peas, beans, 

 cucumbers, cabbages, radishes, and corn. To make the germi- 

 nation test, take two pieces of blotting paper and place them in 

 a plate. The blotting papers should be kept soaked and the 

 seeds placed between the blotting papers. The plate should be 

 kept in a warm place and at an even temperature, 70 F. or o\ 



\ :e the number of each kind germinating each day, and 



