production and dispersal
Listing 1 - 10 from 78 for production and dispersal
Alan R. Biggs - Bio
... NE-183 apple cultivars to Colletotrichum acutatum. Plant Disease 85:657-660. Biggs, A. R. and S. S. Miller. 2003. Relative susceptibility of selected apple cultivars to Botryosphaeria dothidea. HortScience 38: ... to Leucostoma persoonii in peach derived from embryo culture. HortScience 40:1585-1586. Grove, G. G. and Biggs, A. R. 2006. Production and dispersal of conidia of Leucostoma cinctum in peach ...
Scientific Article Reprint Request Form
... W. Miles. 1988. Association of suberin formation in noninoculated wounds with susceptibility to Leucostoma cincta and L. persoonii in various peach cultivars. Phytopathology 78:1070-1074. (Abstract) (Journal article - pdf format ... fruits. The Plant Health Instructor. DOI: 10.1094/PHI-I-2005-1220-01. Grove, G. G. and Biggs, A. R. 2006. Production and dispersal of conidia of Leucostoma cinctum in peach ...
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pollen grain morphology juniper
... forming the characteristic "pac man" shape. Pollen scanning electron micrograph (SEM) Individual gemmae composed of smaller spheres, the entire wall rough. Production and Dispersal: Wind pollinated with generally high production and moderate dispersal. Preservation: The splitting of the pollen grains apparently speeds the grains' deterioration, and juniper pollen is not well preserved. This poor ...
pollen grain morphology ephedra
... The wall of Ephedra is simple, so the SEM closely resembles the light micrograph. Production and Dispersal: Produced in moderate abundance, but very widely distributed. High percentages (45%) are recorded for ... 11 to 17 in number Ephedra torreyana E. trifurca 3b In polar view, ridges high and triangular, narrowing to a sharp crest Ephedra antisyphilitica * Kapp Online is an ongoing project associated ...
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Weed Science at UNE
... needle grass, in pastures on the Northern Tablelands of New South Wales. I. Seed production and dispersal. Australian Journal of Agricultural Research. 54(6): 613-619 (PDF, 515 kb) Gardener , M ... Insect Pests | Pasture Agronomy | Plant Nutrition | Soil Physics | Weed Science | Home ] Created by Brian Sindel and Heiko Daniel Last revised: 25-Nov-2004 1998-2004 University of New England, Armidale, NSW ...
Plant Pathology: Infection Process: Plant Defenses: Genetics of Resistance
... -specific resistance that involve the production of host-selective toxins, race-cultivar-specific resistance relies upon the absence of either a race-specific gene conditioning toxin production and a cultivar-specific gene governing toxin sensitivity (Figure 2). Figure 2: Interactions involving toxin-production genes and toxin-sensitivity genes specify race-cultivar-specific disease resistance due ...
Control of Phytophthora and Other Major Diseases of Ericaceous Plants, HYG-3073-99
... the hill, mostly due to movement of the pathogen in surface water. In the 1960s and early 1970s, root rots were the most common diseases of nursery plants. They were especially ... of bark mixes, nurserymen were able to increase fertility levels and shorten production cycles. After increasing fertility, Phytophthora dieback (foliar and stem diseases) became more important than root rots on plants ...
FAQ - Fungi and Mycorrhizae
... by producing thick, melanized walls which are often seen in aerial spores, in hyphal strands, and in sclerotia that enable the fungus to survive suboptimal growing conditions in the soil for ... There is a great potential for the use of mycorrhizal fungi and associated microorganisms as inoculants especially in the production and protection of high-value greenhouse-grown crops or transplanted vegetable ...
APSnet Feature - Return of an Old Problem:Fusarium Head Blight of Small Grains
... Fig. 3. Gibberella zeae perithecia on maize kernels. Most species of Fusarium are spread by dispersal of conidiospores that are blown or splashed to new infection courts. Among the species causing ... in south Germany - Preceding crops, weather conditions for inoculum production and head infection, proneness of the crop to infection and mycotoxin production. Cereal Res. Commun. 25 (3/2):699-703. 28. ...
Cycad conservation, CITES and Cycads
... the Convention can take for the plight of the rarest of cycads. With what we now know of the dispersal and germination rates of cycad seed in the wild--that cycads are long-lived plants that produce many ... for resevoirs; they will be lost without rescue. When Z. dressleri habitat is wiped out for teak production and they are frying in the sun, they will die, but we cannot rescue them. Species from ...
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