gram. 1  the basic unit of mass in the metric system, equal to 0.03527 ounce (0.0022046 pound or 15.4321 grains): now defined in the SI system as 0.001 of the mass of the standard international kilogram (a platinum-iridium cylinder kept in France): one pound equals 453.5924 grams: abbrev. g.
1 Light: Hibiscus are full-sun plants. Lack of sunlight can cause overall yellowing of the leaves. On the other hand, if the plant is getting sunburned, the leaves can get yellow or white splotches.  Insect Infestation: Spider mites and aphids are two major pests of hibiscus that can cause leaf damage and discoloration.
Malathion, Lannate and several systemic insecticides sometimes cause injury to hibiscus plants. In general, plants that are grown in clean surroundings and are properly fertilised and regularly (but not too frequently) watered, are less likely to be attacked by diseases and pests.Pests The pests of hibiscus can mainly be grouped as chewers or suckers according to the way they feed.ome are not very important but others require treatment to prevent the leaves and flowers from being destroyed. Correct diagnosis of problems is of utmost importance because fungicides are effective against fungal diseases only and pesticides are even more specific.