| Tomatoes in the Tropics R Villareal CRC Press, 2019 | 122 | 2019 |
| Development of heat-tolerant tomato varieties in the tropics. RL Villareal, SH Lai | 69 | 1979 |
| Tomato in the tropics RL Villareal IADS Development oriented literature, 1-174, 1980 | 59 | 1980 |
| Use of Sweet Potato (Ipomoea batatas) Leaf Tips as Vegetables II. Evaluation of Yield and Nutritive Quality† RL Villareal, SCS Tsou, SK Lin, SC Chiu Experimental Agriculture 15 (2), 117-122, 1979 | 57 | 1979 |
| Sweet potato tips as vegetables. RL Villareal, SC Tsou, HF Lo, SC Chiu | 56 | 1982 |
| Sweet potato in the tropics-progress and problems. RL Villareal | 51 | 1982 |
| Screening for Heat Tolerance in the Genus Lycopersicon1 RL Villareal, SH Lai, SH Wong HortScience 13 (4), 479-481, 1978 | 50 | 1978 |
| Some Components of Slow-Blasting Resistance in Rice. RL Villareal, RR Nelson, DR MacKenzie, WR Coffman Phytopathology 71 (6), 608-611, 1981 | 41 | 1981 |
| Tomato production in the tropics-problems and progress. RL Villareal | 40 | 1979 |
| A General Model for Gradient Analysis. DH Lambert, RL Villareal, DR Mackenzie Phytopathologische Zeitschrift 98 (2), 1980 | 35 | 1980 |
| Cisticercosis en Boyacá, Colombia: estudio de seroprevalencia AC Flórez, SM Pastrán, NS Vargas, AP Peña, A Benavides, A Villarreal, ... Acta Neurológica Colombiana 27 (1), 9-18, 2011 | 33 | 2011 |
| Use of Sweet Potato (Ipomoea batatas) Leaf Tips as Vegetables I. Evaluation of Morphological Traits RL Villareal, SK Lin, LS Chang, SH Lai Experimental agriculture 15 (2), 113-116, 1979 | 27 | 1979 |
| The cytoplasmic inheritance of susceptibility to Helminthosporium leaf spot in Corn. RL Villareal, RM Lantican | 27 | 1965 |
| Semidwarf bread wheats: names; parentage; pedigrees; origin RL Villareal, S Rajaram CIMMYT, 1984 | 21 | 1984 |
| Apparent infection rates of Pyricularia oryzae on different rice cultivars RL Villareal, DR MacKenzie, RR Nelson, WR Coffman Phytopathology 70 (12), 1224-1226, 1980 | 21 | 1980 |
| Sweet potato vine tips as vegetables RL Villareal, SC Tsou, HF Lo, SC Chiu Sweet Potato Products, 175-183, 2018 | 20 | 2018 |
| Tomates RL Villareal Iica, 1982 | 20 | 1982 |
| Screening of the rice germ plasm for low temperature tolerance at different stages of growth. BS Vergara, RM Visperas, WR Coffman, RL Villareal, E Bacalangco | 18 | 1976 |
| Resistance to eating sweet potato SCS Tsou, RL Villareal Sweet potato: proceedings of the first international symposium/edited by RL …, 1982 | 16 | 1982 |
| Evaluation of the yield stability of promising mungbean selections under different growing environments. EA Aguilar, RL Villareal | 15 | 1989 |
