| Weed allelopathy, its ecological impacts and future prospects: a review JR Qasem, CL Foy Journal of crop production 4 (2), 43-119, 2001 | 420 | 2001 |
| Fungicidal activity of some common weed extracts against different plant pathogenic fungi JR Qasem, HA Aau‐Blan Journal of phytopathology 144 (3), 157-161, 1996 | 165 | 1996 |
| Nutrient accumulation by weeds and their associated vegetable crops (II). JR Qasem Damascus University Journal 7 (27& 28), 33-54, 1992 | 129 | 1992 |
| The allelopathic effect of three Amaranthus spp. (pigweeds) on wheat (Triticum durum) JR Qasem Weed research 35 (1), 41-49, 1995 | 107 | 1995 |
| Allelopathic potential of white top and Syrian sage on vegetable crops JR Qasem Agronomy Journal 93 (1), 64-71, 2001 | 91 | 2001 |
| On difficulties with allelopathy methodology JR Qasem, TA Hill Weed Research 29 (5), 345-347, 1989 | 87 | 1989 |
| Possible rôle of allelopathy in the competition between tomato, Senecio vulgaris L. and Chenopodium album L. JR Qasem, TA Hill Weed Research 29 (5), 349-356, 1989 | 86 | 1989 |
| Chemical weed control in seedbed sown onion (Allium cepa L.) JR Qasem Crop Protection 25 (6), 618-622, 2006 | 83 | 2006 |
| Aflelopathlc effects of Amaranthus retroflexus and Chenopodium murale on vegetable crops JR Qasem Alellopathy journal 2 (1), 49-66, 1995 | 68 | 1995 |
| Allelopathic effect of white top (Lepidium draba) on wheat and barley JR Qasem Allelopathy J 1 (1), 29-40, 1994 | 57 | 1994 |
| Pigweed (Amaranthus spp.) interference in transplanted tomato (Lycopersicon esculentum) JR Qasem Journal of Horticultural Science 67 (3), 421-427, 1992 | 57 | 1992 |
| Antifungal effects of some common wild plant species on certain plant pathogenic fungi. AS Al-Abed, JR Qasem, HA Abu-Blan Dirasat. Series B, Pure and Applied Sciences 20 (3), 149-158, 1993 | 56 | 1993 |
| Allelopathic effects of selected medicinal plants on Amaranthus retroflexus and Chenopodium murale JR Qasem Allelopathy journal 10 (2), 105-122, 2002 | 54 | 2002 |
| Variation of resistance to broomrape (Orobanche ramosa) in tomatoes JR Qasem, MA Kasrawi Euphytica 81, 109-114, 1995 | 54 | 1995 |
| Prospects of wild medicinal and industrial plants of saline habitats in the Jordan Valley JR Qasem Pakistan Journal of Botany 47 (2), 551-570, 2015 | 48 | 2015 |
| Antifungal activity of clammy inula (Inula viscosa) on Helminthosporium sativum and Fusarium oxysporum f. sp. lycopersici JR Qasem, AS Al-Abed, HA Abu-Blan Phytopathologia Mediterranea, 7-14, 1995 | 48 | 1995 |
| Antifungal activity of aqueous extracts from some common weed species JR Qasem, HA Abu-Blan Annals of Applied Biology 127, 215-219, 1995 | 47 | 1995 |
| Allelopathy of medicinal plants: Current status and future prospects in weed management AKMM Islam, S Yeasmin, JRS Qasem, AS Juraimi, MP Anwar Agricultural Sciences 9 (12), 1569-1588, 2018 | 45 | 2018 |
| Herbicides applications: problems and considerations JR Qasem Herbicides and environment, 2011 | 45 | 2011 |
| Chemical control of branched broomrape (Orobanche ramosa) in glasshouse grown tomato JR Qasem Crop Protection 17 (8), 625-630, 1998 | 42 | 1998 |
