We studied relationships between diurnal patterns of stem water potential (PsiSTEM) and stem extension growth of the same scion cultivar growing on three rootstocks with differing size-controlling potentials. The peach trees (Prunus persica (L.) Batsch) used in this field experiment consisted of an early-maturing freestone cultivar, 'Flavorcrest,' grafted onto three different rootstocks: Nemagu...

in order to identify the plant parasitic nematodes of pulse fields in northern khorasan province, 41 soil and root samples were collected from rhizosphere of pisum sp., phaseoulus sp., lens sp. during 2011 and 2012. the nematodes were extracted by combined sieving and centrifugal-flotation method of jenkins (1969) and transferred to glycerin by using method of de grisse (1969). the permanent sl...

The chrysanthemum foliar nematode (CFN), Aphelenchoides ritzemabosi, is a plant parasitic nematode that attacks many plants. In this study, a transcriptomes of mixed-stage population of CFN was sequenced on the Illumina HiSeq 2000 platform. 68.10 million Illumina high quality paired end reads were obtained which generated 26,817 transcripts with a mean length of 1,032 bp and an N50 of 1,672 bp,...

Spicules of 9 Meloidogyne, 2 Heterodera, 3 Globodera, and 12 other plant-parasitic, insect-parasitic, and free-living nematodes were excised and examined using scanning electron microscopy (SEM). Gubernacula of some of the species were also excised, and their structure was determined. The two spicules of all species examined were symmetrically identical in morphology. The spicule typically cons...

Fatty acid profiles of fungal-feeding nematodes, Aphelenchus avenae and Aphelenchoides composticola, and selected fungi were determined in microcosm cultures of agar, broth, or sand amended with organic matter. Fatty acids of A. avenae and A. composticola included 16:0 18:0, 18:1omega7, 18:1omega9, 18:2, 20:0, 20:1, 20:2, 20:3 and 20:4 phospholipid fatty acids (PLFAs) and neutral lipid fatty ac...

Summary At the time of description, morphology Ptychaphelenchus eucalypticola Hodda, 2009 indicated it could be assigned to either Aphelenchoididae Skarbilovich, 1947 (Paramonov, 1953) or Parasitaphelenchidae Ruehm, 1956 (Siddiqi, 1980) within Aphelenchoidoidea 1980). Although P. was, tentatively, and remains Aphelenchoididae, its relationships with other aphelenchoids have not been reassessed,...

Saltwater intrusion is a potential risk damaging crop diversity and productivity due to degraded soil physicochemical properties. However, little known about how salinity affects the structure function of nematodes community in intensive rice cultivated area. This study aimed (1) assess impacts saltwater on nematode alluvial acid sulfate soils; (2) evaluate its relation with conditions. reduced...