Page:United States Statutes at Large Volume 49 Part 1.djvu/1479

 1434 Wild pla nts and graz- ing lands. Eradi cating no xious weeds. Cere al crops and diseases, investigations, etc. Flax, broo mcorn, etc. Cotton, etc ., produc- tion and diseases . Sea Island cotton, etc. Drug, etc., plants. Drre-land, etc ., agri- cultu re. Pr euieo. New field stations forbidden . Experimental green- houses. Forage crops and dis- eases. Fo rest p atholog re. Vol.45,p.701. U.S.C.,p.672. Fruit and vegetable crops and di seases, in- vestigations, etc. Genetics and bio - physics . Mrecologre and dis- easesurvey. Nati ona l Ar bor etu m. Vol. 44, p. 1422. U. S. C.,p.914. 74TH CONGRESS. SESS. IT. CH. 489. JUNE 4, 1936. Botany : For investigation, improvement, an d utilization of wild plants a nd grazing land s, and for det ermining the di stribution of weeds and means of their control, $76,635, of which $40,000 shall be expended for scientific investigation concerning control and eradica- tion of white top, bind weed, and other noxious weeds. Cereal crops and diseases : For the investigation and improvement of cereals, including corn, and methods of cereal production and for the study and control of cereal diseases, and for the investigation of the cultivation and breeding of flax for seed purposes, including a study of flax diseases, and for the investigation and improvement of broomcorn and methods of broomcorn production, $520,721. Cotton and other fiber crops and diseases : For investigation of the production of cotton and other fiber crops, including the im- provement by cultural methods, breeding, and selection, fiber yield and quality, and the control of diseases, $406,435, of which sum not exceeding $15,000 shall be used for experimenting in Sea Island co tton, includi ng its hybri dizati on wit h other varie ties. Drug and related plants : For the investigation, testing, and improvement of plants yielding drugs, spices, poisons, oils, and related products and byproducts, $47,139. Dry-land agr iculture : F or t he i nves tiga tion and imp rove ment of methods of crop production under subhumid, semiarid, or dry-land conditions, $215,578 : Provided, That no part of this appropriation shall be used for the establishment of any new field station. Experimental greenhouse maintenance : For maintenance and oper- ation of experimental greenhouses and adjacent experimental grounds and plots, $78,632. Forage c rops and diseas es : For the p urchase, prop agatio n, tes ting, and distribution of new and rare seeds ; for the investigation and improvement of grasses, alfalfa, clover, and other forage crops, in cludin g the i nvesti gation and c ontrol of dis eases, $300, 193. Forest pathology : For the investigation of diseases of forest and ornamental trees and shrubs, including a study of the nature and habits of the parasitic fungi causing the chestnut-tree bark disease, the white-pine blister rust, and other epidemic tree diseases, for the purpose of disc overing new met hods of control and applying methods of eradication'or control already discovered, and including $127,357 for investigations of diseases of forest trees and forest products, under section 3 of the Act approved May 22, 1928 (U . S. C ., title 16, sec . 581b), $252,092. Fruit and vegetable crops and diseases : For investigation and con- trol of diseases, for improvement of methods of culture, propagation, breeding, selection, and related activities concerned with the produc- tion of fruits, nuts, vegetables, ornamentals, and related plants, for investigation o f methods of ha rvesting, packi ng, shipping, storing and utilizing these products, and for studies of the physiological and related changes of such produc ts during proce sses of market ing and while in comm erci al s tora ge, $1,1 40,4 54, of w hich $3, 600 shal l be immediately ava ilable. Ge ne ti cs an d bio ph ys ics : For biophysical investigations in con- nection with th e various lines of Work herein authorized, $ 31,675. Mycology and disease survey : For mycological collections and the maintenance of a plant-disease survey, $45,818. National Arboretum : For the maintenance of the National Arboretum es tablished unde r the provision s of the Act en titled "An Act authorizing the Secretary of Agriculture to establish a National Arboretum, and for other purposes", approved March 4, 1927 (U. S . C., title 20, sees . 191-194), including the erection of buildings, salaries in the city of Washington and elsewhere, traveling expenses