Plant Parasitic Nematodes - Ontario
Several different types of plant parasitic nematodes can impact field and horticultural crops. They can be categorized based on if they feed inside (endo) vs outside the plant (ecto) and whether they move when they feed (migratory) vs stay in one place (sedentary). These include: Ectoparasitic nematodes (feed outside the plant):
Sampling soil and roots for plant parasitic nematodes
Soil populations of most plant parasitic nematodes tend to be highest in September and October after crops have senesced and died. This is the best time of year to sample for nematodes. Sampling in the early fall allows growers time to make decisions on whether to fumigate during the fall or spring or what crop should be planted the following ...
Parasitic plants
2024年11月12日 · Parasitism occurs as these plants connect to their hosts’ roots, stems, or branches. Some, such as dodder (Cuscuta spp.), broom rape (Orobanche spp.), and witchweed (Striga spp.), are important in agricultural production where they parasitize various crops.
Plant Parasitic Nematodes in Ontario
The most destructive and common plant parasitic nematodes in Ontario fruit crops are root-lesion (Pratylenchus penetrans) and northern root-knot (Meloidogyne hapla). The northern root-knot nematode is becoming more prevalent.
Canadian officials keep tabs on dodder, a parasitic plant
2024年8月9日 · A special research project is underway to keep track of a parasitic plant making its way across Canada. The Canadian Food Inspection Agency is asking community gardeners and amateur scientists to keep an eye out for the dodder plant.
The curious Conopholis plant - Parks Blog
2024年8月3日 · Conopholis is specialized to parasitize oaks, most commonly a Red Oak (Quercus rubrum). Seedlings cannot develop without the presence of young, vulnerable oak roots near the surface of the soil to latch onto. The main body of the plant is subterranean, latched onto a root to gather nutrients.
Plant-Parasitic and Beneficial Nematodes | Biology and Integrated ...
2024年2月26日 · Nematodes, free-living, plant-parasitic and predacious species, are natural inhabitants in ecosystems worldwide. Nematode populations are influenced by food availability, management-driven inputs and environmental conditions.
Trees, insects, mites, and diseases of Canada's forests
Trees, insects, mites, and diseases of Canada’s forests (TIMDCF) is a database that provides detailed information on more than 200 native trees and more than 400 insects, mites, pathogens (bacteria, fungi, nematodes, parasitic plants, and viruses), and other damage agents that can affect trees in Canada’s natural, rural, and urban areas.
Fungus gnats and shoreflies in greenhouse crops | ontario.ca
Synacra is a parasitic wasp that lays its eggs into fungus gnat larvae. Hexacola neoscatellae: This is a parasitic wasp that feeds on shoreflies (see Figure 13). It is smaller than a shorefly and can be found in large numbers on yellow sticky cards in …
Current State of Plant Parasitic Nematodes in Canada
2018年12月18日 · In terms of area, corn and soybean are the major crops in Ontario and Quebec, but specialized crops such as greenhouse, floriculture and nursery trees are also produced. Fruit and vegetable production is concentrated in Ontario, Quebec, British Columbia and …
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