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Benjamin D. Anderson, Gary W. Knox, Ann R. Blount, Cheryl L. Mackowiak and Edward F. Gilman

Rhizoma peanut ( Arachis glabrata Benth.) is a leguminous, herbaceous, dinitrogen-fixing, warm-season perennial native to South America. It has been used almost exclusively as a forage crop in the United States since the 1930s. While hard frosts

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Jose Linares, Johannes Scholberg, Kenneth Boote, Carlene A. Chase, James J. Ferguson and Robert McSorley

. Reeves, D.W. 2005 Sunn-hemp utilized as a legume cover crop for corn production Agron. J. 97 26 31 Baltensperger, D.D. Prine, G.M. Dunn, R.A. 1986 Root-knot nematode resistance in Arachis glabrata

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Robert E. Rouse and J. Jeffrey Mullahey

A 2-year establishment study of perennial peanut (Arachis glabrata Benth.) planted in row middles of a 1-year-old citrus grove was initiated in southwest Florida. The effect of herbicide and fertilizer treatment combinations on perennial peanut density was measured. Treatments were Fluazifop-p-butyl (Fusilade 2000 1E) herbicide, K-Mag fertilizer, Fluazifop-p-butyl + K-Mag + N, and a nontreated control. Four replications were arranged in a randomized complete-block design. After 2 years, there were no significant differences in plant density between treatments (96% cover) and the control (89% cover). Applications of Fluazifop-p-butyl in years one and two were effective in controlling grassy weeds such as common bermudagrass [Cynodon dactylon (L.) Pers]. In this experiment. initiated 1 year after planting, perennial peanut without inputs (herbicide, fertilizer) was able to suppress common bermudagrass and to obtain a high level (89%) ground cover in 3 years (1991–94).

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Nancy E. Roe, Peter J. Stoffella and Herbert H. Bryan

Increasing disposal problems with polyethylene (PL) mulch and greater availability of compost prompted an investigation into the effects of using compost as a mulch on horizontal raised bed surfaces with living mulches (LMs) on vertical surfaces. Wood chips (WC), sewage sludge-yard trimming (SY) compost, and municipal solid waste (MW) compost were applied at 224 t·ha-1 on bed surfaces. Sod strips of `Jade' (JD) or `Floratam' (FT) St. Augustinegrass (Stenotaphrum secundatum Kuntze) or perennial peanut (Arachis glabrata Benth.) (PP) or seeds of a small, seed-propagated forage peanut (Arachis sp.) (SP) were established on the vertical sides of the raised beds before transplanting bell pepper (Capsicum annuum L.) into the beds. Phytophthora capsici reduced pepper plant stand in PL-mulched plots compared with organic mulch (OM) and LM. Despite the stand reduction, total pepper yields were highest in PL plots and, in the OM plots, decreased in the order SY > MW > WC. Early fruit yields and yield per plant were highest from plants in PL plots followed by SY. Among LMs, plants in SP plots produced highest early yields and FT produced the lowest. Plants in PL plots produced the largest fruit. When the same plots were seeded with winter (butternut) squash (Cucurbita pepo L.), plant stands were higher in MW than WC and SY. Squash yields were similar between PL and OM plots.

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Wayne W. Hanna, Brian M. Schwartz, Ann R. Blount, Gary Knox and Cheryl Mackowiak

significance differences at P ≤ 0.05 were used for mean separation. Origin ‘PP-1’ is a vigorous Arachis glabrata Benth. clone ( Supplemental Fig. 1 ) volunteering for more than 50 years on the University of Georgia, Tifton Campus, Tifton, GA, next to a