THE CABBAGE MAGGOT... The control of this pest is still a problem. A new mode of attack involves the use of traps with proper baits, the problem being to find the aromatic substance in cabbage which seems to attract the moth. Fig. 3. White Pines at Rainbow. Planted 1905. THE EXPERIMENTAL FOREST AT RAINBOW. Begun in 1902, these experimental plantations have now reached an age to yield valuable information. Plantings of hardwoods, with the exception of red oak, black walnut and chestnut, have failed on the coarse sand which covers the Rainbow plain. Of the conifers, the white, red and Scotch pine have made the most notable growth. It is yet too early, however, to recommend Scotch pine since it is a new type in this country. BREEDING BETTER CORN. One of the notable achievements of the Station in plant breeding has been the production of a new kind of sweet corn for canners and market gardeners. By continuous self-fertilization, the corn of two different strains was reduced to a state of great purity but little vigor. To reattain vigor these two purified strains were Crossed and the new corn produced. Because of the reddish color of the leaves the corn has been named Red Evergreen. It was tested in Ontario in 1923-24 and produced six tons of ears per acre in comparison with a standard variety of Evergreen which produced only three and one half tons. Fig. 4. Corn Produced from a Cross of Inbred Strains.-A perfect ear on every stalk. The new corn has also been tested by several market gardeners in Connecticut and by canners in New York state with favorable results. The method by which this corn was produced (selection in a self-fertilized line and crossing of fixed inbred strains) will be applied to other standard varieties of sweet corn. SOILS OF CONNECTICUT. A complete knowledge of our soils must be the basis of an intelligent use of our land resources. Soil surveys of Connecticut land were begun in 1923, two towns being carefully mapped. In 1924 six areas were added and a new laboratory equipped to study the nature of each of the important soil types identified. The possible results of this work are far-reaching. The farmer who has been on the land for a generation knows his soil, but to bring together widely scattered and diverse information by means of a survey must be the task of the soil scientist. Once this is accomplished, we have not only a sound basis for land utilization and taxation but a better knowledge of how to treat those areas which are intensively planted in tobacco or vegetables. MT. CARMEL FARM FIELD DAY. The annual Station Field Day was held on August 11. This coincided with the field trip of the American Pomological Society and a joint program was held. President Charles L. Beach of the Connecticut Agricultural College gave the principal address. Appointments: CHANGES IN STAFF. W. T. Mathis, Assistant Chemist, November 1, 1924. N. T. Nelson, Ph.D., Assistant in Plant Physiology at Tobacco Sub-Station, April 15, 1924. Roger B. Friend, B.S., Assistant Entomologist, Jan. 1. 1924. Willis R. Hunt, M. S., Assistant Botanist, July 1, 1924. Resignations: C. M. Slagg, M. S., in charge of Tobacco Sub-Station, March 31, 1924. Fig. 6. Field Day at Mt. Carmel Farm, August, 1924. Better Forests for Connecticut. Report of the Director for the Year Ending October 31, 1923. Rust Infection of Leaves in Petri Dishes. TOBACCO BULLETINS. No. 4. Revised Recommendations for the Control of Wildfire. CIRCULARS OF IMMEDIATE INFORMATION. No. 28. No. 29. No. 30. No. 31. Winter Condition of Apple and Peach Buds. No. 32. No. 33. Varietal Susceptibility of Apples to Diseases and Injuries. No. 34. Spray for the Imported Current Worm. No. 35. Tree Workers Holding Connecticut Certificates. No. 36. No. 37. The Calyx and Later Summer Sprays. No. 38. Grape Spraying. No. 39. No. 40. The Apple and Thorn Skeletonizer. No. 41. The Oriental Peach Moth. Spraying Potatoes. The Apple Maggot or Railroad Worm. Sun Scorch, Anthracnose, etc. of Shade Trees. Prematuring of Vegetables, Rots of Lettuce and Similar Troubles. No. 47. Prematuring and other Potato Troubles. JOURNAL PAPers. Some Basic Substances from the Juice of the Alfalfa Plant. By Charles S. Leavenworth, Alfred J. Wakeman and Thomas B. Experimental Production of Rickets with Diets of Purified Food Sub stances. By Thomas B. Osborne, Lafayette B. Mendel and Edwards A. Park. The Effect of Diet on the Content of Vitamine B in the Liver. By Thomas B. Osborne and Lafayette B. Mendel. J. Biol. Chem. 1923, LVIII, 363-367. Nutrition and Growth on Diets Highly Deficient or Entirely Lacking in Preformed Carbohydrates. By Thomas B. Osborne and Lafayette B. Mendel. J. Biol. Chem., 1924, LIX, 13-32. Nutrition and Growth on Diets Highly Deficient or Entirely Lacking in By Thomas B. Osborne and Lafayette B. Mendel. Proc. Soc. Biol. Nutrition and Growth on Diets Highly Deficient or Entirely Lacking in By Thomas B. Osborne and Lafayette B. Mendel. Proc. Am. The Nutritive Value of Lactalbumin. By Thomas B. Osborne and Lafayette B. Mendel. J. Biol. Chem. 1924, LIX, 339-345. The Vegetable Proteins, Second Edition. By Thomas B. Osborne, Longmans, Green & Co., London, 1924, pp. xiii +154. Ophthalmia as a Symptom of Dietary Deficiency. By Thomas B. Osborne and Lafayette B. Mendel. Am. J. Physiol., 1924, in press. |