نتایج جستجو برای: striga hermonthica
تعداد نتایج: 416 فیلتر نتایج به سال:
Hood, M. E., Condon, J. M., Timko, M. P., and Riopel, J. L. 1998. Primary haustorial development of Striga asiatica on host and nonhost species. Phytopathology 88:70-75. the host (sorghum) roots and advance into the cortex occurred within 24 to 48 h of inoculation. Penetration of the endodermis by the developing endophyte was delayed for 72 to 96 h after initial contact. However, upon penetrati...
Host plant defence mechanisms (resistance and tolerance) nutrition are two of the most widely proposed components for control hemiparasitic weeds genus Striga in tropical cereal production systems. Neither alone is effective enough to prevent parasitism concomitant crop losses. This review explores potential improved nutrition, being chemical constituent soil fertility, fortify expression inher...
Witchweeds (Striga spp.) and broomrapes (Orobanche and Phelipanche spp.) are the two most devastating root parasitic plants belonging to the family Orobanchaceae and are causing enormous crop losses throughout the world. Seeds of these root parasites will not germinate unless they are exposed to chemical stimuli, 'germination stimulants' produced by and released from plant roots. Most of the ge...
Comparisons of structural features (principally mouthparts, elytral-abdominal locking mechanism, and female genitalia) of the ardistomine genera (Aspidoglossa Putzeys, Ardistomis Putzeys, and Semiardistomis Kult) with those features of members of the subtribe Clivinina (Clivina Latreille, Oxydrepanus Putzeys, Schizogenius Putzeys,Ancus Putzeys, Nyctosyles Putzeys, and Obadius Burmeister) confir...
The plant family Orobanchaceae includes many parasitic weeds that are also impressive invaders and aggressive crop pests with several specialized features (e.g. microscopic seeds, parasitic habits). Although they have provoked several large-scale eradication and control efforts, no global evaluation of their invasive potential is as yet available. We use tools from ecological niche modeling in ...
The agromorphological and genetic parameters of sorghum are important keys in rainfed production processes. To know the diversity characteristics under striga infestation this cereal Sudano-Sahelian zone Cameroon, a survey near to 230 farmers were done. Survey was followed by collection accessions 2015 2016 16 villages 4 Divisions namely Mayo-Danay, Mayo-Kani, Mayo-Louti Mayo-Rey North. field t...
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