| Effect of some materials on Sesamia cretica infesting some maize and sorghum varieties HA Ezzeldin, AAA Sallam, TY Helal, HA Fouad Archives of Phytopathology and Plant Protection 42 (3), 277-290, 2009 | 25 | 2009 |
| Phytophagous and predatory mites inhabiting citrus trees in Assiut Governorate, Upper Egypt AS Abdelgayed, MW Negm, SA Eraky, TY Helal, SFM Moussa Assiut Journal of Agricultural Sciences 48 (1), 173-181, 2017 | 11 | 2017 |
| CHEMOSTERILANT AND RODENTICIDAL EFFECTS OF 3-CHLORO, 1, 2, PROPANEDIOL (EPIBLOC) AGAINST THE ALBINO LABORATORY RAT AND THE NILE FIELD RAT TY Helal | 10 | 1982 |
| Composition of the rodent species in newly reclaimed semi-desert area comparing with the cultivated land [Egypt]. AM Salit, TY Helal, AM Ali, KH Abd El Gawad, MS Arafa Assiut Journal of Agricultural Sciences 13, 1982 | 8 | 1982 |
| Two New Species of Histiostoma Kramer and Caloglyphus Berlese (Acari: Acaridida) from Citrus Orchards in Assiut, Egypt SA Eraky, AS Abdelgayed, MW Negm, TY Helal, SFM Moussa Assiut Journal of Agricultural Sciences 48 (1), 182-190, 2017 | 7 | 2017 |
| Performance of different herbicides and their combinations on weed control, growth and yield parameters of onion (Allium cepa L.). S El-Sagheer, T Helal, S Temerak, S Elkassem | 4 | 2020 |
| Checklist of citrus mites (Acari) of Egypt AS Abdelgayed, WM Negm, SA Eraky, TY Helal Acarines: Journal of the Egyptian Society of Acarology 9 (1), 85-94, 2015 | 3 | 2015 |
| Haematological studies on Egyptian rodents intoxicated with anticoagulant rodenticide, racumin 75 (coumatetra’yl) Part II: Effect of anticoagulant dosage killing 50% and … TY Helal, AM Salit, MS Arafa, A Maher Ali, AM Wahab, AH Omar Proceedings of All India Rodent Seminar, Ahmedabad, 225-233, 1975 | 2 | 1975 |
| Sex ratio and maturity status of rodent species in a semi-arid newly reclaimed land in eastern desert [Egypt]. KH Abd El Gawad, AM Salit, TY Helal, AM Ali, MS Arafa Assiut Journal of Agricultural Sciences 13, 1982 | 1 | 1982 |
| Relative toxicity and anticholine-esterase activity of phosfolan and carbofuran to four rodent species YAI Abdel-Aal, TY Helal International pest control, 1980 | 1 | 1980 |
| Description of Heterodispus longisetae n. sp.(Acari: Heterostigmatina: Scutacaridae) from Soil of Citrus Orchards in Assiut, Egypt AS Eraky, AS Abdelgayed, MW Negm, TY Helal, SFM Moussa Assiut Journal of Agricultural Sciences 50 (2), 200-205, 2019 | | 2019 |
| EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE RM Saba, AI Farghal, TY Helal, SM Abdel-All Journal of Plant Protection and Pathology 3 (5), 409-414, 2012 | | 2012 |
| Rodents in sugar-cane, wheat, maize and cotton, nature of damage due to their infestation during different stages of plant growth [Saccharum officinarum, Triticum, Zea mays … AM Salit, AM Ali, KH Abdelgawad, TY Helal, MS Arafa | | 1983 |
| Laboratory evaluation of toxicity of insecticides to the Egyptian termites. I. A suitable method for the biological assay of termiticides and their alternative compounds under … TY Helal, M Ali Assiut journal of agricultural sciences, 1982 | | 1982 |
| Rodent control in sugar-cane plantation and cotton field [Egypt]. KH Abd El Gawad, AM Salit, AM Ali, TY Helal, MS Arafa Assiut Journal of Agricultural Sciences 13, 1982 | | 1982 |
| Assessment of damage caused by the house sparrow [Egypt] AM Ali, TY Helal, A El-Bakoury Assiut Journal of Agricultural Sciences (Egypt) 13 (4), 1982 | | 1982 |
| Effect of four herbicides [Dacthal, Preforan, Totril, Tok E25] and their combination against weed associated with onion nursery in upper Egypt. TY Helal, AM Ali, L El Mashaad Assiut Journal of Agricultural Sciences 13, 1982 | | 1982 |
| Blood picture of the house sparrow (Passer domesticus niloticus L.) with relation to the effect of the applied pesticides in the field [Egypt] TY Helal, AA El-Bakoury, AM Ali Assiut Journal of Agricultural Sciences (Egypt) 13 (4), 1982 | | 1982 |
| Laboratory evaluation of toxicity of insecticides to the Egyptian termites. III. Relative toxicity of certain insecticide formulations against Psammotermes sp. of the New … TY Helal, AM Ali Assiut journal of agricultural sciences 13 (3), 1982 | | 1982 |
| Efficiency of Ratak Difenacoum [Rodenticide] for control of rodents in animal production farm [Egypt]. TY Helal, AM Ali, M Zedan Assiut Journal of Agricultural Sciences 13, 1982 | | 1982 |