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Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates.
The genus Canna is susceptible to certain plant viruses, which may result in spotted or streaked leaves, in a mild form, but can finally result in stunted growth and twisted and distorted blooms and foliage. Known species of virus are: Canna yellow mottle badnavirus (CYMV) infecting canna species.
Canna or canna lily is the only ... The majority of insect pests on canna plants can be sprayed with a 70% isopropyl ... Cannas are remarkably free of diseases ...
Septoria cannabis is a species of plant pathogen from the genus Septoria that causes the disease commonly known as Septoria leaf spot. Early symptoms of infection are concentric white lesions on the vegetative leaves of cannabis plants, followed by chlorosis and necrosis of the leaf until it is ultimately overcome by disease and all living cells are then killed.
Fungal diseases; Anthracnose Colletotrichum coccodes = Colletotrichum atramentarium = Colletotrichum dematium: Black dot disease Epicoccum nigrum = Epicoccum purpurascens: Black mildew Schiffnerula cannabis: Brown blight Alternaria alternata = Alternaria tenuis: Brown leaf spot and stem canker Ascochyta spp. Ascochyta prasadii Phoma spp ...
Too much sunlight can also be a problem; it can cause leaves at the top of the plant to turn yellow or brown with sunscald. The solution: Peace lilies grow best in bright, ...
Most of the world’s fake plants are indeed made in China’s Pearl River delta, a global pollution hotspot. Thinking of plants as lives that serve their own purposes opens up a distinct way of ...
It also is known to infect several non-leguminous plants including Gladiolus sp., [9] Fressia sp., opium poppy (Papaver somniferum), Canna spp. and Eustoma russellianum. Symptoms in these plants include mosaic, leaf malformation and leaf mottling. [10] This virus makes two kinds of viral inclusions, laminated aggregates and a nuclear inclusion. [1]