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Euphorbia trigona, the African milk tree, [1] cathedral cactus, [1] or Abyssinian euphorbia, [2] is a species of flowering plant that originates from Central Africa.Somewhat common in cultivation as a houseplant or as a hedge, the species is one of the euphorbias with succulent stems and branches as an adaptation to arid climates.
There are two types of African milk tree plants: Euphorbia trigona, the green one, and Euphorbia trigona ‘Rubra’, a predominantly red one. They require the same care, although Rubra can handle ...
This article is a list of diseases of poinsettia (Euphorbia pulcherrima). Bacterial diseases. Disease Cause Image Bacterial leaf spot:
Euphorbia is a large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae. Euphorbias range from tiny annual plants to large and long-lived trees, [ 2 ] with perhaps the tallest being Euphorbia ampliphylla at 30 m (98 ft) or more.
It was originally found on the leaves of Euphorbia hypericifolia in New York, USA. [2] The fungus can be found on various species of Acalypha, Chamaesyce, and also other Euphorbia species (Euphorbiaceae) worldwide. [3] It is found on other Euphorbia species, such as Euphorbia hirta, [4] and Euphorbia cheiradenia Boiss. & Hohen. [5]
Euphorbia mosaic virus (EuMV) is a plant pathogenic virus of the family Geminiviridae. External links. ICTVdB - The Universal Virus Database: Euphorbia mosaic virus
In some large acreage crops, fungicides are applied by air. The process is expensive and fungicide application is best reserved for seasons when foliar diseases are severe. Research indicates, the higher the foliar disease severity, the greater the return from the use of fungicides. [25] Southern corn rust disease, can be confused with common rust.
Erwinia is a genus of Enterobacterales bacteria containing mostly plant pathogenic species which was named for the famous plant pathologist, Erwin Frink Smith.It contains Gram-negative bacteria related to Escherichia coli, Shigella, Salmonella, and Yersinia.