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Dibotryon morbosum or Apiosporina morbosa is a plant pathogen, which is the causal agent of black knot. [1] [2] It affects members of the Prunus genus such as; cherry, plum, apricot, and chokecherry trees in North America. The disease produces rough, black growths that encircle and kill the infested parts, and provide habitat for insects.
A. morbosa Apiosporina is a genus of fungi in the family Venturiaceae . [ 1 ] Seeds of the Chinese elm , Trident maple and Japanese black pine can be infected with Apiosporina collinsii to produce dwarf forms used to make bonsai trees.
Root-knot nematodes (Meloidogyne spp.) are one of the three most economically damaging genera of plant-parasitic nematodes on horticultural and field crops.Root-knot nematodes are distributed worldwide, and are obligate parasites of the roots of thousands of plant species, including monocotyledonous and dicotyledonous, herbaceous and woody plants.
Alstonia scholaris is a glabrous tree and grows up to 40 m (130 ft) tall. Its mature bark is grayish and its young branches are copiously marked with lenticels.A unique feature of this tree is that in some places, such as New Guinea, the trunk is three-sided (i.e. it is triangular in cross-section).
The Haemodoraceae were first described by Robert Brown in 1810, [1] and bear his name as the botanical authority.An alternative name has been Haemodoreae [4]. The fourth Angiosperm Phylogeny Group classification of 2016 (unchanged from the earlier APG systems of 2009, 2003 and 1998), also recognizes this family and places it in the order Commelinales, in the clade commelinids, in the monocots.
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The ascospores of S. sclerotiorum infect aboveground plant host tissue [14] and begin to invade the host's tissues via mycelium, causing infection. S. sclerotiorum is capable of invading nearly all tissue types including stems, foliage, flowers, fruits, and roots. Eventually white, fluffy mycelium will begin to grow on the surface of the ...
Inonotus obliquus, commonly called chaga (/ ˈ tʃ ɑː ɡ ə /; a Latinisation of the Russian word ча́га), is a fungus in the family Hymenochaetaceae.It is parasitic on birch and other trees.