Show the or vine destroyer an alarming ine Ind increase in dreasen rense rease in the area affected by the ravages of f the tb in france recalls attention to this destroyer of the vine although several species of the insect have been daco discovered vered in europe and are undoubtedly indigenous to that continent it is now pretty well established that the particular enemy of the vine and that one which seriously affects the interests of maln man is of american origin the entire port portion loii of this continent from canada to the gulf and east ward of the rocky bocky mountains may be considered a vast breeding and feeding ground for the its in introduction trod fiction into fra france n ce itta it is stated td to have been accomplished by the exportation of american vines to that country and dates baek back iome some some ten or fifteen years perhaps more A curious feature of the case however presents itself in the immunity of certain kinds of american vines from damage by while nearly all european aud even australian varieties become a ready prey to their destructive truc tive powers the grapevine insect iset is very small and requires require s microscopic aid far for its observation it is divided into two species amely namely the galli cla or gall mak ing which attacks the leaves and tendrils tend niia rila of the vine covering them with small beadlike protuberances a and ultimately causing them to wither and the or root killing type which destroys the delicate structure tur of the roots and rootlets rootless root lets of the vine and with them the yin vin 1 e itself the of rem remain nio alo torpid until the renewal of vine growth in the spring they they rapidly increase in size and jay lay eggs from the eggs come in due time anew a new generation of which in turn becomes equally productive and so the insects increase and multiply with inconceivable middie cei vable rapidity about the tho middle middie of the year jear j ear some of the females ac acquire q aire wings and depart to spread the ho species over fresh fields and pastures new it has been ascertained by observation that the eggs of these winged are deposited in the crevices of the soil around the vine stem but an important change tabes place through them in inthe the process of production the eggs so deposited bring forth male and female insects insects the latter bean eing the larger which represent the parent sources of a new now production of thus thu i the vine destroyers spread 0 over ve r the country establishing colonies at every point it t would seem that a means of limiting a the ravages of the would be to remove the surface soil from around the roots of the vines vinea at a certain season when the eggs of the migratory or winged insects are deposited the fumigation or even burning of the earth so removed may at least check the plague by destroying the eggs coal ar spread over the tilo surface immediately arou abou armund around nd the stem may also have the effect of savine saving ff the vines by preventing the tho deposit of the eggs but perhaps tilt tha best remedy of ali all all ali would be to plant the varieties of the american vine which are known to resist the if the ravage ravaged I 1 vineyards of now embrace an area of about one million acres were replanted with american vines vides on which the french varieties could be grafted if necessary a great change would be effected in the tho th e present condition of ofine we wine growing interests of france As it is from the soil and the influences of climate that thai the quality and excellence of the wine are derived it is Js certain that our least cultivated varieties of vine would prove productive in french frelich vineyards v Ine lne yards waw jew york merald herald march Mar nar chlO chio 10 |