Wisconsin State Cranberry Growers Association / Wisconsin State Cranberry Growers' Association. Forty-seventh annual meeting, Wisconsin Rapids, Wisconsin, December 14, 1933. Forty-seventh summer convention, Wisconsin Rapids, Wisconsin, August 8, 1933
Rogers, L. M.
Remarks on cranberry culture, pp. 14-15 PDF (563.8 KB)
14 WISCONSIN CRANBERRY GROWERS' ASSOCIATION REMARKS ON CRANBERRY CULTURE L. M. ROGERS Perhaps you would be interested to know that while there has been no construction of cranberry marsh on a large scale this year quite a number of growers have put in small areas of new marsh, and several parties have started new locations in a small way. Altogether 50 acres of new marsh have been planted. There has also been some re- modelling of old fields. Varieties of vines used were as follows: 7A. Native, 7A. Howes, 15A. Searles, and 26A. McFarlin. Growers have sanded about 275A. this season. A careful check has been made of the acreage of cranberries which should be used for statistical purposes for Wisconsin at the present time. The acreage was listed as 2120 in 1928. Making corrections for changes since 1928 both for new plantings and abandoned areas (those outside water protection) we find that there are not now more than 2000 acres of vines in the state, including the 1933 plantings. Some of this area is in poor condition but is being rapidly reclaimed by the aid of the electric clipper, hand weeding, sanding, and the use of various weed-killers. The budding last fall was light and winter took a heavy toll so we may not expect a large crop. Considerable damage was done last year by the root girdler and there may be further work this summer. This pest is easily controlled by fall flooding and should be a menace only where there is no water available in September. Girdler work is com- mon and widespread in the central and southern districts even where no vines have been killed as yet. Wherever it can be done in these lo- cations, growers should flood after harvest. A 48 hour full flood should be long enough before September 15. The same result should be obtained by holding the water over the surface two or three weeks to extend into October. As usual some damage has been done by the black-head fireworm and slight incidental injury by flooding for control. As was the case last spring, June flooding became dangerous because of the very warm days and nights from the middle of May on through the flooding sea- son. The fire-worm will live almost as long under water as will the hocks and the grower who has to flood must know to a nicety how long his vines can remain under water without injury. Many growers have taken twelve hours complete flood at about June 5 to June 10 as a base to work from. The time of safety is determined by several influences such as the advancement of growth, the water tempera- tures, the kind of water and the kind of weather. Growers who can- not get the water on and off quickly should not attempt June floodings, but should make a longer flood earlier. When fireworms are very numerous I do not think they can be controlled by May flooding excent in seasons of very early hatching. Under these conditions it would I be well to water-cure. A good method to use would be to let off the winter flood as usual, reflood about May 25, and let off the water June 25 to June 30, reflood again in 15 to 18 days for 30 hours to catch worms that may not have hatched under the flood. With good weather conditions there should not be any killing of new growth by the lat- ter flood. Those using the June flood and having high spots that do not read- ily cover for the desired time should either scalp them down to the general level and replant or mow or burn over the area. By the lat- ter methods there should be little or no crop loss as larger yields may be expected for several years, following the first year's loss. The
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