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P A Roberts

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Articles 105
Citations 940
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Recent Articles
11.
Roberts P
Proc R Soc Med . 2009 Dec; 55(9):805-6. PMID: 19994183
No abstract available.
12.
Roberts P, Van Gundy S
J Nematol . 2009 Mar; 13(3):345-52. PMID: 19300774
The effects of soil temperature and initial inoculum density (Pi) of Meloidogyne incognito and M. javanica on growth of wheat (Triticum aestivum cv. Anza) and nematode reproduction were studied in...
13.
Roberts P, Van Gundy S, McKinney H
J Nematol . 2009 Mar; 13(3):338-45. PMID: 19300773
Wheat cultivars Anza and Produra grown in winter in California were planted in Meloidogyne incognita infested and noninfested sandy loam plots in October (soil temperature 21 C) and November (soil...
14.
Roberts P, Thomason I, McKinney H
J Nematol . 2009 Mar; 13(2):164-71. PMID: 19300739
Heterodera schaehtii egg number decline under nonhosts was surveyed for 3-4 years at soil depths of 0-30 cm and 30-60 cm in three fields in the Imperial Valley, California. In...
15.
Roberts P
J Nematol . 2009 Mar; 14(1):24-33. PMID: 19295670
Plant resistance is a primary component in the development of nematode pest management programs. A survey of resistant cultivar and rootstock implementation in 75 annual and perennial crops grown in...
16.
Roberts P, May D
J Nematol . 2009 Mar; 18(3):353-8. PMID: 19294190
Nine resistant processing tomato (Lycopersicon esculentum) cultivars and advanced lines were compared with four susceptible cultivars in 1,3-dichloropropene-fumigated and nontreated plots on Meloidogyne incognita-infested sites over 3 years. Yield of...
17.
Roberts P, Greathead A
J Nematol . 2009 Mar; 18(1):66-73. PMID: 19294142
Different rates of granular formulations ofaldicarb, carbofuran, ethoprop, fensulfothion, and phenamiphos were applied directly onto garlic seed cloves in the seed furrow in sandy clay loam, clay loam, and loam...
18.
Roberts P, Thomason I
J Nematol . 2009 Mar; 20(Annals 2):11-4. PMID: 19290294
A granular formulation of a chelate of metham-zinc (CMZ) which liberates the biocidal methyl isothiocyanate was tested for nematicidal activity on Tylenchulus semipenetrans in a jar soil screening and on...
19.
Roberts P, Dalmasso A, Cap G, Castagnone-Sereno P
J Nematol . 2009 Mar; 22(4):585-9. PMID: 19287762
Root-knot nematode resistance of F progeny of an intraspecific hybrid (Lycopersicon peruvianum var. glandulosum Acc. No. 126443 x L. peruvianum Acc. No. 270435), L. esculentum cv. Piersol (possessing resistance gene...
20.
Omwega C, Thomason I, Roberts P
J Nematol . 2009 Mar; 22(4):446-51. PMID: 19287744
The effect of soil temperature on the expression of resistance in several common bean lines carrying resistance to root-knot nematodes (Meloidogyne spp.) was studied under controlled temperatures in temperature tank...