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Planta Daninha
On-line version ISSN 1806-9681


Table of contents
Planta daninha vol.20 no.3 Viçosa Dec. 2002

Leaf anatomical studies in weed species: II - Bidens pilosa, Emilia sonchifolia, Ageratum conyzoides and Sonchus asper
Ferreira, E.A.; Procópio, S.O.; Silva, E.A.M.; Silva, A.A.; Rufino, R.J.N.

Leaf Micromorphology of Sida spp. Species (prickly sida)
Albert, L.H.B.; Victoria Filho, R.

Extrafloral nectary ontogeny of Triumfetta semitriloba (Tiliaceae)
Leitão, C.A.E.; Meira, R.M.S.A.; Azevedo, A.A.; Araújo, J.M.

Leaf area estimate of Cissampelos glaberrima using linear dimensions of the leaf blade
Bianco, S.; Pitelli, R.A.; Carvalho, L.B.

Potential allelopathic activity in hydroalcoholic and raw extracts of Canavalia ensiformis
Souza Filho, A.P.S.

Critical period of weed interference in corn crop based on crop phenology
Kozlowski, L.A.

Weed interference periods in cotton crop (Gossypium hirsutum)
Salgado, T.P.; Alves, P.L.C.A.; Mattos, E.D.; Martins, J.F.; Hernandez, D.D.

Critical period of interference of Euphorbia heterophylla in soybean crop under low seeding rate
Meschede, D.K.; Oliveira Jr., R.S.; Constantin, J.; Scapim, C.A.

Effects of weed control periods on peanut crop
Pitelli, R.A.; Gavioli, V.D.; Gravena, R.; Rossi, C.A.

Delimitacion del periodo critico de competencia de malezas en el cultivo de lino (Linum usitatissimum)
Barreyro, R.A.; Sánchez Vallduvi, G.E.

Effect of purple nutsedge (Cyperus rotundus) tuber density on the initial growth of cotton plants
Salgado, T.P.; Alves, P.L.C.A.; Rossi, C.V.S.

Tridax procumbens emergence as a function of sowing depth, substrate clay content and light incidence
Guimarães, S.C.; Souza, I.F.; Pinho, E.V.R.V.

Threshold level as a criteria for arrowleaf sida control decision in soybeans
Fleck, N.G.; Rizzardi, M.A.; Agostinetto, D.

Alternative method for evaluation of atrazine asorption by Brachiaria plantaginea plants
Maciel, C.D.G.; Constantin, J.; Oliveira Jr., R.S.; Farias, A.

Reduced rates of fluazifop-p-butil + fomesafen on weed control in soybean
Timossi, P.C.; Durigan, J.C.

Effectiveness of the desiccants paraquat and diquat in anticipating maize harvesting
Magalhães, P.C.; Durães, F.O.M.; Karam, D.

Selectivity of pre-emergence herbicides to tropical grass forage
Alves, E.; Martins, D.; Souza, F.H.D.

Sub-lethal rates of sulfosate on the inhibition of EPSPs activity in corn
Gonçalves, A.H.; Silva, J.B.; Souza, I.F.; Purcino, A.A.C.

Effect of growth regulator on wheat crop under different nitrogen rates and plant densities
Zagonel, J.; Venancio, W.S.; Kunz, R.P.

Effects of trinexapac-ethyl on the growth and flowering of the bahiagrass
Freitas, F.C.L.; Ferreira, L.R.; Silva, A.A.; Barbosa, J.G.; Miranda, G.V.