| Show CARE IN MIXING BORDEAUX DOR DEAin secret c I 1 id hi to put to asther ethar as aa dilute solutions cis as Is bordeaux Var deaux mixture Is by far the moat ost 9 generally ene rally useful fungi fungicide cido wa w have 1 tho the copper sulfate or blue vitriol Is i tho the active fungicidal agent white while the tha lima Is IB added to prevent the burning biding IT of the foliage fo lige which would 1 i ull from a pure copper sulfate soll Bo lulion idOll the tha usual formula la is rive rho pounds co copper p per sulfate alyo pounds time so 50 gallons of water I 1 many prefer to modify this formula lift liy by reducing tho quantity of blue blua stone to ono one pound and ana increasing the lime one pound CI ciale aln precautions must be ol 01 ob J 0 Y V I 1 r 4 al 1 t avi i Z outfit for making bordeaux served in making bordeaux boid in order to obtain the most efficient mixture the secret of success Is to put to gether as aa dilute solutions ns possible the copper stilita sulfate te may io he conveniently made up tip into a sack stock solution by dissolving it ft at the rate of one pound to ono one rallon gallon of water the amount needed at tiny any time can then bo be readily obtained by stirring stirling up tip the solution anti and mea measuring out as aa many gallons as there are pounds required the lime can likewise be slaked in quantity and kept till needed as a stock solution of cnown strength tho the bluestone blue stone may bo be dissolved quickly in hot water or more slowly in cold water by suspending near tho the top tell of tho the water in a burlap or coarse basket over night good stone lime iline should be used air slaked lime Is not satisfactory hydrated or biroc ss of good quality may bo be used if tile the proportion of line lime to copper sul rate luo Is increased Inci cased from one fourth to one half it if a barrel r 1 gallons of the bordeaux Is to be ba made 1 it Is easy to secure the required dilution 0 material by tho the use of three vessels put 25 gallons of water in the barrel dilute the bluestone blue stone solution containing live pounds to 13 12 1 gallons dilute live pounds slaked lime likeN vIse then dip from each solution into the CO 60 gallon barrel whatever the particular method employed however tho the oil end Is the eime put the copper sulfate and lime almo solutions together after diluting each a ha much as possible dont mix concentrated solutions if this Is lone done with tho the idea of diluting to spraying laying sp strength later tho the mix mixture tilro curdles and i thick heavy precipitate Is 13 formed which settles bottles so rapidly that it Is impossible to do a good job of Epra spraying ying A properly made mada bordeaux should remain lor for half an hour with almost no perceptible settling when putting the spray mixture into the tank always strain carefully caie fully for poaches peaches use not over half strength |
