DIFFERENT TYPES OF AGAR Mac Conkeyâs Agar plate MacConkey (also McConkey) agar is a culture medium designed to grow Gram-negative bacteria and stain them for lactose fermentation.he pattern of lactose fermentation and H 2 S production aids in the identification of the organism subbed to the plate. HE agar is designed to isolate and recover fecal bacteria belonging to the Enterobacteriaceae family. HE is particularly useful in isolating Salmonella and Shigella.
In fact, spring should be the only time for complete cutting back. Pruning hibiscus plants entirely helps rejuvenate them for summer blooming. Branch tips can be pinched, or tip pruned, throughout the season, however, to encourage bushier growth.
1. Do a âpinchâ prune. âPinchingâ your hibiscus plant is the process of cutting off just the ends of the branches near the top, so as to stimulate a bit of growth without losing the bulk of the plant. This is the most mild form of pruning, and is the safest for beginners to accomplish.. Know where to prune. Keeping in mind that the location you prune is the location of new growth, you always want to prune your hibiscus on branches facing outwards. Youâll make all cuts Â¼-inch from the top of a node (the location of a leaf/twig) at an upwards 45 degree angle.