CHE REFERENCE LIBRARY - ZetaTalk

PROPAGATION BY MEANS OF SEEDS AND SPORES 51care must be exercised in handling them. To gather them,the fronds may be cut as sOon as the sori Or fruit-dots turnbrown, and stored in close boxes or paper bags. When thespores begin tcr discharge freely, the frond may be shaken overthe pot, Or it may be broken up and pieces of it laid on the soil.While still wry. small, the sporelings should he pricked out,and fw smw time thereafter the>F should be subjected to thesame conditions as before.The propagation Of forest trees is conducted on a greatwale in many parts Of the couiltry, largely as governmentalenterprises. This constitutes a special department of nurserypractiw, and it cannot be discussed in this book ; but some ofthe seed-becl nwthods ma>. be indicated as a supplement tothe discussion. Those who desire to inform themselves onforest-tree nursery work 4wuld consult the state and federalpublicatit:;;s, ~hapt~s irk books on forestq., and Tourney’s“Seeding and Planting in the Practice of Forestry” (Wiley,1916). The follwving tirwripticms are adapted from “ NurseryPractice on the Satiw~a~l 14wsts,” EM. 179, Gntr. For. Serv.,by c’. I- re-drawn from thehalf-tones.“7‘1~ seeds are wwn ill Lccl~;, wit tr t tw esce]Aun of Pertain special casesin which flats or even pots may be tlsecl. The beds are staked off uniformlyand with mnthematii31 prwision, to render calculations easy andto make possible the emplc)ymwt of uniform methods in subsequent work.A 4foot width facilitates sowing, wowing and weeding operations.Forty inches has been found to be a desirable width where burlap is usedas a cover. \$‘herc damage from rodents or birds is possible small beds4 by 12 feet, are desiral)le, becar~se they are easily protected by the use ofscreened frames.“l’he seed may be sown in drills or broadcast. E’or drill sowing across,