Publications

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persistence and suppressiveness of pasteuria penetrans to meloidogyne arenaria race.the long-term persistence and suppressiveness of pasteuria penetrans against meloidogyne arenaria race 1 were investigated in a formerly root-knot nematode suppressive site following 9 years of continuous cultivation of three treatments and 4 years of continuous peanut. the three treatments were two m. arenaria race 1 nonhost crops, bahiagrass (paspalum notatum cv. pensacola var. tifton 9), rhizomal peanut (arachis glabrata cv. florigraze), and weed fallow. two root-knot nematode susceptible wee ...200419262836
population dynamics of plant nematodes in cultivated soil: effect of summer cover crops in old agricultural land.in a 6-year cover crop sequence study, nematode population densities varied with different cover crops. millet favored rapid increase of belonolaimus longicaudatus and supported relatively large numbers of pratylenchus brachyurus. beggarweed and 'coastal' bermudagrass favored rapid increase of b. iongicaudatus and to a lesser extent p. brachyurus and trichodorus christiei. hairy indigo and crotalaria supported relatively large numbers of p. brachyurus but suppressed b. longicaudatus. hairy indig ...197019322288
population dynamics of plant nematodes in cultivated soil: effect of summer cover crops in newly cleared land.five nematode species were studied for ability to develop on seven summer cover crops in rotation with tomato transplants grown every third year. increase of tylenchorhynchus claytoni, trichodorus christiei, pratylenchus brachyurus, helicotylenchus dihystera, and xiphinema americanum in newly cleared soil varied with different cover crops. no substantial nematode population increases occurred until the third summer of crop growth. all species except x. americanum and h. dihystera developed best ...197019322300
interactions between six warm-season legumes and three species of root-knot nematodes. 198519294109
effects of mixed cropping on a soil nematode community in honduras.nematode-resistant tropical legumes are effective in reducing populations of plant-parasitic nematodes when used in rotation systems. mixed cropping is a common practice of many small farmers in central america, but little is known about the effects of tropical legumes on nematode communities under these systems. to examine the effects of intercropping on the nematode fauna associated with squash (cucurbita pepo) and cucumber (cucumis sativa) in honduras, two field experiments were conducted to ...199319279824
population dynamics of dichelops melacanthus (dallas) (heteroptera: pentatomidae) on host plants.the stink bug dichelops melacanthus (dallas) has become one of the major pests of corn and wheat in brasil, mainly after a shift from the conventional tillage system to the no tillage cultivation system. this fact may be due to the simultaneous occurrence of second planting corn with wheat cultivation, and the presence of wild hosts. this study aimed to evaluate the population dynamics of d. melacanthus on wild hosts adjacent to areas cultivated with corn, wheat, and soybean during the season an ...201323949747
non-traditional legumes as potential soil amendments for nematode control.dried ground plant tissues from 20 leguminous species were mixed with meloidogyne incognita-infested soil at 1, 2 or 2.5, and 5% (w/w) and incubated for 1 week at room temperature (21 to 27 degrees c). tomato ('rutgers') seedlings were transplanted into infested soil to determine nematode viability. most tissues reduced gall numbers below the non-amended controls. the tissue amendments that were most effective include: canavalia ensiformis, crotalaria retusa, indigofera hirsuta, i. nummularifoli ...200219265956
effects of tropical rotation crops on meloidogyne arenaria population densities and vegetable yields in microplots.the effects of 12 summer crop rotation treatments on population densities of meloidogyne arenaria race 1 and on yields of subsequent spring vegetable crops were determined in microplots. the crop sequence was: (i) rotation crops during summer 1991 ; (ii) cover crop of rye (secale cereale) during winter 1991-92; (iii) squash (cucurbita pepo) during spring 1992; (iv) rotation crops during summer 1992; (v) rye during winter 1992-93; (vi) eggplant (solanum melongena) during spring 1993. the 12 rotat ...199419279880
endogenous recipes for controlling arthropod ectoparasites of domestic poultry.this study is a contribution to the inventory of medicinal plants and other methods used in controlling external parasitic diseases of backyard poultry in the localities of djougou and ouaké (department of donga, benin). it consists of a survey undertaken from december 2010 to march 2011 through visits and interviews with 210 poultry famers. the results indicate that 13 species of medicinal plants are used in controlling ectoparasites. annona senegalensis, tectona grandis, securidaca longepedunc ...201324252957
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