Show Fruits Ripened Faster Under Gassing J J kit a 1 1 4 I t t The banana room hn h n In the to top Is p P II il for Tor temperature nn I control awl and u 1 for or treatment In the tho al a ari bundles bunches ripened liy hy the gas ens and III hi the green cn fruits Just Jut placed pl-iccil for tor ripening w Ir Dr It E D fl Jlane Iare originator ot of the tic gas sas treatment treatment for t Immature ture fruits And lIles Dy By XEA EA Ser Ice ST PAUL FAIL lihn Starch March tarch 26 A scientific method methol ot of o gassing green farm tarm products to hasten haslen their ripenIng hat has been commercially In various parts parta art ot of tho United States The gas method for ripening fruit and uld vegetables was as by Jy Dr K It n B Harvey of o tho Minnesota l Ag- Ag Agricultural Ag AC ExperIment Station Dr liars Harvey expects eJ the use us o emylene to lengthen the growing season by ripening Immature fruit before tho season seon and also to tave fa avo fruits fruit caught green gren by frost I Tho rho expense ot of o the treatment is negligible says sa ays Dr Harvey EthYlene gas costs costa about four dollars for 25 cubic uble feet fact which is sufficient for tor 10 O o or more mor car car- carloads carloads loads car loads ot of o celery tomatoes or blI ban bananas an anus anas as A single Io doso dose of ot ethYlene ot of about two to three cubic feet costing leas less than 40 cents a car car- load carload Is sufficient to produce I a 0 remarkable change In the time timeto timeto to ripen bananas and to cha ge ther color coor flavor or and texture tenure to that ot of tine fine ripe fruit bUGAR CONTEXT SE ll In the commercial treatment ot of celery with ethylene It vai aI as t found und that th t the sugar content of ot the th stAlks talk Increased 20 to 30 per cent over the untreated mat material Im- Im Immature Im un Immature mature fruits such as green to tomatoes to to- to tomatoes matoes or mu can cm be b made marketable their thIr acidity de- de de decreased creased and their sugar content Increased by the use tf t ethlene Evident Evidently ethylene accelerates the age leL ot of starch In plant tissues and also al o Increases increase the tho rato ot of respiration resulting r jn In the removal of fruit acids from such sucha a acid ld fruits fults as tomatoes Tho Tho gS EM has bao a 11 widespread widespread widespread ap- ap ap application Dr Harvey Harvcy explains At the Minnesota stAtion we have ha ripened practically all 1111 of the Important fruits and vegetables ebbs ables of ot tropical and temperate climates Ot Of til the tropical fruits we may now hope t to have a greater share available in in the north as they may now OW tie lie shipped In a a II firm green condition While- While other gases gases rases may be used for or ripening fruits Is the m most most- most as t practical according to Dr Harve Harvey Propylene produces es n a little better belter flavor In fruits e says but is not available com corn commercially at nt pres pr present pt Is considerably more moret toxic t than or propylene and Inthe has an nn unpleasant odor ollor In the commercially available prod prod- The The use use of ot acetylene Is not recommended IS T Ethylene Is Is not explosive at many times time the required concen- concen E is practically and not poisonous No t on men men men- working in the the treating rooms rooms Is detectable Tl There ere Is la no danger from an- an an anaesthesia to those handling the theras gas bas The ca gas has Jas as almost I the density at ot of AI an and diffuses quick quick- quickly ly throughout t crates of ot celery ceery or through boxes boxe of ot of I rijt |