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Pecan is a 32-chromosome species (1N = 16) that readily hybridizes with other 32-chromosome members of the Carya genus, such as Carya ovata, Carya laciniosa, Carya cordiformis and has been reported to hybridize with 64-chromosome species such as Carya tomentosa. Most such hybrids are unproductive.
The pecan weevil, Curculio caryae (Coleoptera: Curculionidae) is an obligate feeder on the nuts of North American hickories and pecans (Carya species), most widely recognized as an economically important pest of the pecan, Carya illinoinensis (Fagales: Juglandaceae).
Carya aquatica, the bitter pecan or water hickory, is a large tree, that can grow over 30 metres (98 ft) tall of the Juglandaceae or walnut family. In the American South it is a dominant plant species found on clay flats and backwater areas near streams and rivers. The species reproduces aggressively both by seed and sprouts from roots and from ...
The nine or ten genera in the family have a total of around 50 species, [3] and include the commercially important nut-producing trees walnut (Juglans), pecan (Carya illinoinensis), and hickory (Carya). The Persian walnut, Juglans regia, is one of the major nut crops of the world.
Pecan scab Fusicladium effusum. Physalospora canker Physalospora abdita = Physalospora fusca Botryosphaeria rhodina = Physalospora rhodina. Phytophthora shuck and kernel rot Phytophthora cactorum. Pink mold Trichothecium roseum = Cephalothecium roseum. Powdery mildew Microsphaera penicillata. Scab Cladosporium caryigenum. Septoria leaf spot ...
Shagbark hickory hybridizes with pecan, Carya illinoensis, and shellbark hickory, C. laciniosa (C. x dunbarii Sarg.). Shagbark hickory has 32 chromosomes. In general, species within the genus with the same chromosome number are able to cross.
Pecan scab is the most economically significant disease of pecan trees (Carya illinoinensis) in the southeastern United States. [1] Venturia effusa is a fungal plant pathogen that causes pecan scab. The fungus causes lesions and tissue death on pecan twigs, petioles, leaves, nuts and shucks beginning in early spring, with multiple cycles of ...
Category: Carya. 12 languages. ... Pecan tree diseases (13 P) P. Pecan (2 C, 13 P) Pages in category "Carya" The following 25 pages are in this category, out of 25 total.
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