Influence of two desmodium species root exudates on haustorium initiation and attachment in striga hermonthica (Del.) benth
2011
Idris, K.I., Agricultural Research corpoation, Shambat Research Station, Khartoum (Sudan). | Hamodun, A.M., University of Gezira, Wad Medani (Sudan). Faculty of Agricultural Sciences | Khan, Z.R., International Centre of Insect Physiology and Ecology, Nairobi (Kenya). | Ali, A.H., International Centre of Insect Physiology and Ecology, Nairobi (Kenya). | Babiker, A.T., University of Sudan Science and Technology, Khartoum (Sudan). College of Agricultural Studies
Striga hermonthica is a parasitic weed that causes significant yield losses in many important crops and affects the livelihood of millions of people worldwide. A study was undertaken to examine the effects of Desmodium, uncinatum (Jacq.) DC and D. dichotomum (Klein) DC root exudates on initiation of haustorium and attachment of S. hermonthica. A series of laboratory experiments was conducted at the Gezira Research Station, Wad Medani, Sudan. D. uncinatum and D. dichotomum root exudates, applied 24 hours subsequent to GR 24, a synthetic germination stimulant, or simultaneously with it, did not induce haustorium initiation. D. uncinatum and D. dichotomum curtailed striga attachment to sorghum roots
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