Method for controlling the growth of aquatic plants

Details Method for controlling the growth of aquatic plants Method for controlling the growth of aquatic plants

1972-01-14

1977-08-16

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

260163, 260200, 260456A, 71 67, 71103, A01N 914

Patent

active

040423670

ABSTRACT:
The growth of aquatic plants, and particularly undesirable aquatic plants such as weeds and algae, is controlled by adding a dye to the water in the vicinity of the undesired plant growth. The dye is of a color such that it absorbs a substantial portion of the light at wavelengths normally used by the plants in photosynthesis, so that growth of the plants is stopped or arrested. The color of the dye preferably ranges from blue to green, and preferably is predominantly blue so that the water has a pleasing appearance to the eye. Preferably, the dye is applied prior to germination of the plants and at such further times as necessary.

REFERENCES:
dolge Co., "New Dolge Lake & Pond Dye" (1970) Data Sheet, pp. 1-2, Sept. 1970.
Dolge - Fairway to Clubhouse, (1970), Golfdom - Jan. 1970.

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