Educational film guide ()

1949 EDITION 581-581.4 HUNGER S\GNS— Continued ture opens with Illustrations of virgin soil and rapidly reviews the soil history. The raw materials required to produce 100 bushels of corn are illustrated graphically, followed by pictures of plants and animals suffering from malnutrition. The fundamental causes and methods to correct nutritional deficiencies are presented INTERDEPENDENCE OF LIVING THINGS. Bray 15min si (Science of life ser) $25, rent $1.50 581 Jh Shows the sun as a source of energy In all living things. Considers oxidation and energy. Points out relations between plant and animal growth; also the role of bacteria LIFE OF PLANTS. Castle 1935 13min sd $17.67 581 Jh-sh-c Produced by the U.S. Dept. of Agriculture "Time lapse photography (showst how seeds germinate and how roots, stem, leaves, and flowers develop." Nation's schools PLANT GROWTH. EBF 1931 llmin sd (Biol* ogy— Plant life ser) $45, rent $2.50 581 el-Jh-sh-c Guide Collaborator: Clyde Fisher, American Museum of Natural History "Deals with the growth of plants. The pea Is used as an example, and the film presents the complete Life History from the sprouting of the seed to the dispersal of the ripened seeds In the mature plant. "The processes of pollination and fertilization are clearly shown by means of photography and by animated diagrams." Harvard PLANT SPEAKS THRU DEFICIENCY SYMPTOMS. AmPotash 1945 25min sd color loan 581 Jh-sh-c-ad Pictures soil depletion, erosion, and deficiency symptoms of plants PLANT SPEAKS THRU LEAF ANALYSIS. AmPotash 1945 18min sd color loan 581 jh-sh-c-ad Evaluates leaves In plant growth and leaf analysis in determining fertilizer needs PLANT SPEAKS THRU TISSUE TESTS. Am Potash 1945 14min sd color loan 581 jh-sh-c-ad Shows the value of tissue testing and the procedure for testing plant tissues in the field VEGETATIVE PLANT PROPAGATION. EBP 1941 SOmin si $48 581 jh-sh-c-ad Guide Illustrates the techniques used In various types of vegetative plant propagation and based throughout on scientific findings. Reel 1 demonstrates correct procedures in making soft green and woody stem cuttings; leaf cuttings; fleshy and fibrous root cuttings Reel 2 demonstrates tip, mound, and aerial layering; separation and division of garden plants such as phlox, dahlia tubers, narcissus and tulip bulbs, gladiolus corms; top grafting of apple trees, side grafting of evergreens; grafting of apple roots; bud grafting of roses WIZARDS OF SVALOF. Castle 1941 14mln sd $20.68 581 sh-c-tr-ad Produced by the U.S. Dept. of Agriculture On genetics, principally of wheat. The film shows scientists of the Swedish seed union at Svalof at work and illustrates changes in plant improvement by selection, scientific crossing, exposure of seeds to X-rays, and chemical treatment of seeds to double chromosomes "The first film we've seen showing the really practical side of the work in the laboratory. One of the best." Collaborator 581.4 Morphology, plani-s Structure of DISPERSAL OF SEEDS. EPS 12mln si $22.50, rent $1 581.4 Jh-sh-c Microscopic and time-lapse photography reveal how nature has equipped seeds so that they may be borne on the wind to new fields for reproduction. Explains how seeds are fertilized and gradually developed into mature plants FROM FLOWER TO FRUIT. EBF 1933 15mm si $24 581.4 el-jh-sh Guide "Remarkable time-lapse motion photomicrography shows the development of the rose, lily, and apple. The opening of a flower; the functions of the sepals, petals, stamens, and pistils "Close-ups of anthers, stigmas, pollen grains, bee, pollen basket on hind leg filled with pollen. Various methods of pollination, including artificial pollination. Living pollen grains are seen under the microscope. Animation shows the complete process of fertilization." Kentucky "Quite technical." Collaborator GROWTH OF FLOWERS. Coronet 1945 lOmin sd color $90 581.4 jh-sh-ad Filmed by John N. Ott, Jr this is a recording of the growth and life of flowers. Roses, orchids, jack-in-the-pulpits, daffodils and iris emerge from the bud and burst into full bloom LEAVES. EBF 1936 llmin sd (Biology— Plant life ser) $45, rent $2.50 581.4 el-jh-sh-c Guide Collaborator: Clyde Fisher, American Museum of Natural History Structure, functions and types of leaves Shows in detail the parts of a leaf and a crosssection shows the arrangement of cells and veins for the manufacture of food. The actual process of food-making is revealed by animation ROOTS OF PLANTS. EBF 1931 llmin sd (Biology—Plant life ser) $45, rent $2.50 581.4 Jh-sh-c Guide Collaborator: Clyde Fisher, American Museum of Natural History Various forms of roots are first presented. Time-lapse and micro-photography are employed frequently to bring out the interesting processes of growth, structure and other characteristics. The functions of the rootcap and the root-hairs are presented An experiment in osmosis is demonstrated and explained, followed by an animation of water absorption by the roots SEED DISPERSAL. EBF 1931 llmin sd (Biology—Plant life ser) $45, rent $2.50 581.4 ih-sh-c Guide Collaborator: Clyde Fisher, American Museum of Natural History Shows ways by which seeds of plants are scattered in order to insure the propagation of the species. The methods Illustrated include dispersal by the wind, transportation by animals, and forceful propulsion from the seedcase Germination of seeds under various conditions. The struggle for survival in the plant world 389