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Resource: used or used up in processes

Root tissue

Appears in 5 processs and 8 steps. Everything below is linked: open a process to see it in context.

Top processes

Nematode feeding guilds and control of root feeders

3 steps

Soil nematodes sort into feeding guilds: bacterivores, fungivores, plant parasites, omnivores and predators
Plant-parasitic nematodes (root-knot Meloidogyne, cyst Heterodera and Globodera) feed on roots; root-knot nematodes induce giant cells that act as nutrient sinks
Antagonists hold root feeders in check: nematode-trapping fungi (Arthrobotrys) and Pasteuria bacterial spores that attach to the cuticle

Soil fauna

2 steps

Soil food web energy transfer

1 step

Root energy channel (roots to herbivores)

Nematode feeding groups, the c-p scale and nitrogen release

1 step

Plant parasites (root-knot Meloidogyne, cyst Heterodera and Globodera, root-lesion Pratylenchus) feed on living roots

Disease-suppressive soils and the rhizosphere cry for help

1 step

Soil-borne pathogens (Fusarium oxysporum, Gaeumannomyces tritici, Rhizoctonia solani) infect roots

Often found with

Carbon 4 Plant roots 4 Root herbivores 2 Plant-parasitic nematodes 2 Nematodes 2 Bacterial biomass 2 Nitrogen 2 Root-feeding nematodes 1 Roots 1 Soil microbes 1 Fungal biomass 1 Nematophagous fungi 1

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