This section is from "The Horticulturist, And Journal Of Rural Art And Rural Taste", by P. Barry, A. J. Downing, J. Jay Smith, Peter B. Mead, F. W. Woodward, Henry T. Williams. Also available from Amazon: Horticulturist and Journal of Rural Art and Rural Taste.
The accompanying accounts are translations from the French, which describe a new disease of the Vine in Europe, and gives the remedies which have been successfully employed in arresting its progress. I take pleasure in sending you these translations, which will, I hope, prepare our vine growers to meet this disease, in case it should cross the ocean. Thos. W. Ludlow, Jr. - Yonkers, N. Y.
"We read in the Observer, of Athens: An epidemic of a peculiar character has attacked all the vineyards of Corinth Grape throughout Greece. This disease, entirely unknown until now in this country (Greece), consists in a kind of glutinous matter, which covers all the bunches by degrees, giving them, at first, the color of ashes; but at the end of ten days, it dries them up, causing the berry, and sometimes even the bunch itself to fall, from the latest accounts, the disease has, in many places, attacked other vines, and even trees.
"According to the best estimates, there is danger that two-thirds of the ordinary crop of the Corinth Grape, is destroyed. In several localities, the whole of the crop is lost.
" It has been observed that young plantations are leas liable to disease than the old ones. The government, justly alarmed at the serious consequences which this unexpected misfortune may produce, has taken measures to have the disease investigated, in order to discover means of alleviating the evil, or arresting its progres, and to relieve cultivators and proprietors. A commission of men skilled in agricultural science has been sent to different places.
" It is true, that for the last few days the disease has been checked, but nothing induces us to admit that it has reached its period, or that we shall not have to deplore still greater ravages.
"The injury which the loss of the Corinth Grape crop may inflict on this country will be immense, when we reflect that the whole of the crop is exported, and that it produces an annual sum of from six to seven millions of francs." - Agricultural Echo, July 27, 1852.
"The fear created by a temporary affection which is called a disease of the vine, although in our opinion exaggerated, renders it a duty to publish the different means which have been tried to prevent or arrest it We have already published the method communicated by M. Eeuze to the Society Of Agriculture in the Echo of July 15th. We now give the following note of M. Meza, apothecary and member of the Agricultural Society Of Lyons, addressed to the Academy of Science:
"Since the appearance of this disease in the vine, I have studied its cause, its nature, and its progress. Numerous experiments have convinced me that it does not exist in the plant itself, but is developed under certain atmospheric conditions. This is the general opinion of those who have studied the disease from the beginning. I agree with them, that the white powder which covers the fruit, the bunch, and the branch, is a fungus which fixes itself upon the plant as the I'acarus de la gale attaches itself to animals, and ends by injuring it in a most grevious manner. With this view I have used a sulphate of protoxide of iron (green vitriol), dissolved in water, in the proportion of 250 grammes* of sulphate to 15 or 20 pounds of water, and I will publish the results:
"Lotions of ammonia used from the beginning of the Oidium have succeeded very well; but the effects are not certain as those of the sulphate of iron. Carbonate of sulphur, dissolved in water, appears to produce good results. Having begun this experiment only two or three days ago, I cannot, as yet, speak of it with certainty.
"The following method comes from Piedmont, and is entirely different from any heretofore recommended. The facts are not disputed, and if this treatment has caused the disease to disappear, it is all that can be asked; but without repeated proofs we shall find it difficult to believe in this Piedmontese remedy:
"Since the appearance of the disease of the vine, says the correspondent of beyond the Alps, M. Josephs Antoixe Guida, a very skillful agriculturist and administrator of the domain of Dul-zago (Piedmont), belonging to the family of the Counts Borzorneo, has directed his attention to this object A constant study of the evil has led him to believe that the disease of the vine is due to an obstruction of the sap (humeurs). Starting his system of cure from this view, he made an incision at the foot of each vine, a short distance from the ground, of such a depth as not to endanger the vitality of the plant. The effect surpassed his expectations, and, after eight days of experiment, he was able to decide upon the efficacy of the treatment If the disease had just begun, or had made considerable progress, in either case, the effect of the sulphate of iron was certain and evident in twenty-four hours. The black marks, covered with a white powder, disappeared entirely; the berry recovered its green color with the gloss, which is so strong an evidence of health; the berries which had burst healed over, and their growth proceeded, notwithstanding the scar. If the disease continues, the watering may be repeated without risk. This treatment is easy and cheap.
Sulphate of iron costs about twenty-eight centimes per kilogramme and one kilogramme is enough for four or five acres. The action is rapid - we may almost say instantaneous. None of the puffed up published methods have this advantage For the sake of our wine growing districts it is to be wished that this remedy should be employed as soon as possible, for in many localities the disease is making frightful progress.
*One gramme is nearly fifteen and a half grains.
+Kilogramme - Two pounds five drams and a halt.
" I incline to the opinion that sulphate of iron might be used with advantage for the potato. It will be necessary to lay the potatoes for two or three days in a solution of iron before putting them in the ground. I have just watered with this liquid some potato plants attacked with the rot.
"Mr. Denis Rovida, lawyer of Novara, a witness of the experiment, observed, that in those vines where the issue was abundant, the disease had disappeared as by enchantment Grapes, which some days before had been severely attacked, had resumed their beauty and their vigor.
*' It is worthy of remark that the intensity of the disease was always in proportion to the greater or less abundance of the issues. Wherever they flowed freely, the disease had disappeared: on the contrary, where the discharge was feeble, the scourge had continued to leave its mark. These significant symptoms may furnish a key to a system of cure which may possibly be extended to a large number of those plants which are attacked by a disease of an obstinate charater. - Agricultural Echo, August 10, 1852.
 
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