Greenhouse trials were conducted on potted poinsettias in the fall of 1966 at the Paul Ecke Ranch. San Diego County. with the following objectives: (1) to compare the standard rates of the growth retardantes. 2-Chloroethyltrimethylammonium choride (Cycocel) used as a pot drench and N-Dimethylaminosuccinamic acid (B-Nine) applied as a foliage spray; (2) to compare the two retardantes w... https://macorners.shop/product-category/tape-measure/