PMID- 19262764
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20110714
LR  - 20211020
IS  - 0022-300X (Print)
IS  - 0022-300X (Linking)
VI  - 35
IP  - 3
DP  - 2003 Sep
TI  - Effect of Crotalaria juncea Amendment on Nematode Communities in Soil with 
      Different Agricultural Histories.
PG  - 294-301
AB  - Effect of sunn hemp (Crotalaria juncea) hay amendment on nematode community 
      structure in the soil surrounding roots of yellow squash (Cucurbita pepo) 
      infected with root-knot nematodes was examined in two greenhouse experiments. 
      Soils were from field plots treated long-term (LT) with yard-waste compost or no 
      yard-waste compost in LT experiment, and from a short-term (ST) agricultural site 
      in ST experiment. Soils collected were either amended or not amended with C. 
      juncea hay. Nematode communities were examined 2 months after squash was 
      inoculated with Meloidogyne incognita. Amendment increased (P < 0.05) omnivorous 
      nematodes in both experiments but increased only bacterivorous nematodes in ST 
      experiment (P < 0.05), where the soil had relatively low organic matter (<2%). 
      This effect of C. juncea amendment did not occur in LT experiment, in which 
      bacterivores were already abundant. Fungivorous nematodes were not increased by 
      C. juncea amendment in either experiment, but predatory nematodes were increased 
      when present. Although most nematode faunal indices, including enrichment index, 
      structure index, and channel index, were not affected by C. juncea amendment, 
      structure index values were affected by previous soil organic matter content. 
      Results illustrate the importance of considering soil history (organic matter, 
      nutrient level, free-living nematode number) in anticipating changes following 
      amendment with C. juncea hay.
FAU - Wang, K-H
AU  - Wang KH
FAU - McSorley, R
AU  - McSorley R
FAU - Gallaher, R N
AU  - Gallaher RN
LA  - eng
PT  - Journal Article
PL  - Poland
TA  - J Nematol
JT  - Journal of nematology
JID - 9884299
PMC - PMC2620648
OTO - NOTNLM
OT  - Cucurbita pepo
OT  - Meloidogyne incognita
OT  - community structure indices
OT  - organic amendments
OT  - squash
OT  - sunn hemp
EDAT- 2003/09/01 00:00
MHDA- 2003/09/01 00:01
PMCR- 2003/09/01
CRDT- 2009/03/06 09:00
PHST- 2009/03/06 09:00 [entrez]
PHST- 2003/09/01 00:00 [pubmed]
PHST- 2003/09/01 00:01 [medline]
PHST- 2003/09/01 00:00 [pmc-release]
PST - ppublish
SO  - J Nematol. 2003 Sep;35(3):294-301.