Αποτελέσματα Αναζήτησης
Ganoderma butt rot is one of the fungal diseases known to attack palm trees includ-ing Bismarck palms. Ganodermabutt rot, a fungal disease, caused by Ganoderma zonatum, starts to decay the lower part of the trunk affecting the palm stability, which leads to its death. Mostly infected by the fungus is the lower lignin of the
These palms grow well on a wide variety of soils, but are susceptible to potassium deficiency (see https://edis.ifas.ufl.edu/ep269) which causes translucent yellow-orange or necrotic spotting (Figure 2) and/or leaflet tip necrosis on the oldest leaves (Figure 3).
6 Απρ 2023 · Palm trees are susceptible to several diseases, nutritional problems, and insect infestation. The diseases affect different palm tree parts, including the palm’s leaves, stems, and roots. Most diseases and even pests attack weak palm trees.
11 Νοε 2020 · The fungus Pestalotiopsis causes leaf spots, petiole/rachis blights and sometimes a bud rot of palms. In other words, unlike the other leaf spot and petiole blight pathogens, which attack...
With juvenile palms that only have a few leaves, the leaf spots may appear on all leaves at the same time. With most leaf spot diseases, the pathogen will produce spores directly on the leaf tissue. These spores are spread by rain, overhead irrigation, wind, pest activity, and human activity.
Bismarckia nobilis grows from solitary trunks, gray to tan in color, which show ringed indentations from old leaf bases. Trunks are 30 to 45 cm in diameter, slightly bulging at the base, and free of leaf bases in all but its youngest parts.
Most cultivated Bismarckias feature silver-blue foliage although a green leaf variety exists (which is less hardy to cold). These palms are dioecious and produce pendent inflorescences of small brown flowers which, in female plants, mature to a brown ovoid drupe, each containing a single seed.
