Brassica campestris L.: Floral Induction by One Long Day von Friend, D. J. C., Helson, V. A.

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Effects of Petroleum Oils on the Oxygen Uptake in Respiration of Parsnip and Mustard von Nozzolillo, Constance, Helson, V. A.

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Effects of Petroleum Oils on the Carbon Dioxide Output in Respiration of Parsnip and Mustard von Helson, V. A., Wm. Harold Minshall

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COMPARISON OF GRO-LUX AND COOL-WHITE FLUORESCENT LAMPS WITH AND WITHOUT INCANDESCENT AS LIGHT SOURCES USED IN PLANT GROWTH ROOMS FOR GROWTH AND DEVELOPMENT OF TOMATO PLANTS von Helson, V. A.

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Thermoperiodic effects on the growth and photosynthesis of wheat and other crop plants [Cereals, vegetables] von Friend, D. J. C., Helson, V. A.

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EFFECTS OF RYANIA AND RYANODINE ON THE APPARENT PHOTOSYNTHESIS OF McINTOSH APPLE LEAVES von Helson, V. A.

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NOTE ON AN ADJUSTABLE PLANT RACK FOR USE IN GROWTH ROOMS von Scott, K. K., Helson, V. A.

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THE INFLUENCE OF THE RATIO OF INCANDESCENT TO FLUORESCENT LIGHT ON THE FLOWERING RESPONSE OF MARQUIS WHEAT GROWN UNDER CONTROLLED CONDITIONS von Friend, D. J. C., Helson, V. A., Fisher, J. E.

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THE RELATIVE EFFECTIVENESS OF STANDARD COOL WHITE FLUORESCENT AND INCANDESCENT LIGHT IN THE PHOTOPERIODIC RESPONSE OF MARQUIS WHEAT, GARNET WHEAT AND WINTEX BARLEY von Friend, D. J. C., Helson, V. A., Fisher, J. E.

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Cavity-assisted preparation and detection of a unitary Fermi gas von Roux, K, Helson, V, Konishi, H, Brantut, J P

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Modification of epoxy resin: a comparison of different types of elastomer von Ramos, Valéria D., da Costa, Helson M., Soares, Vera L.P., Nascimento, Regina S.V.

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Rheological properties of polypropylene during multiple extrusion von da Costa, Helson M., Ramos, Valéria D., Rocha, Marisa C.G.

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Efficacy of Piper nigrum (Piperaceae) extract for control of insect defoliators of forest and ornamental trees von Scott, I. M., Helson, B. V., Strunz, G. M., Finlay, H., Sánchez-Vindas, P. E., Poveda, L., Lyons, D. B., Philogène, B. J. R., Arnason, J. T.

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Study of different peroxide types on the modification of LLDPE. Part 1. Factorial experimental design and thermal properties von Ramos, Valéria D., Costa, Helson M. da, Rocha, Marisa C.G., Gomes, Aílton de S.

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Ethyl m-digallate from red maple, Acer rubrum L., as the major resistance factor to forest tent caterpillar, Malacosoma disstria Hbn von ABOU-ZAID, Mamdouh M, HELSON, Blair V, NOZZOLILLO, Constance, ARNASON, J. Thor

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Laboratory evaluation of two novel strategies to control first-instar gypsy moth larvae with spinosad applied to tree trunks von Wanner, Kevin W, Helson, Blair V, Harris, Brenda J

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Effects of azadirachtin-based insecticides on the egg parasitoid Trichogramma minutum (Hymenoptera: Trichogrammatidae) von Lyons, D.B., Helson, B.V., Bourchier, R.S., Jones, G.C., McFarlane, J.W.

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Hybrid composites of epoxy resin modified with carboxyl terminated butadiene acrilonitrile copolymer and fly ash microspheres von Ramos, Valéria D., da Costa, Helson M., Soares, Vera L.P., Nascimento, Regina S.V.

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Laboratory and field evaluation of spinosad against the gypsy moth, Lymantria dispar von Wanner, Kevin W, Helson, Blair V, Harris, Brenda J

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Study of low concentrations of dicumyl peroxide on the molecular structure modification of LLDPE by reactive extrusion von Ramos, Valéria D., da Costa, Helson M., Pereira, Anderson O., Rocha, Marisa C.G., de S.Gomes, Aílton

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