Broad bean plants (Vicia faba L.) were cultivated in two field experiments at the Experimental Station of the Faculty of Environmental Agricultural Sciences, Arish University, North Sinai, Egypt, during 2018/2019 and 2019/2020 seasons under North Sinai condition, to study the effect of soil application of some biofertilizers and foliar spray with some wild plant extracts on broad bean plants. Biofertilizer treatments contained combination of Arbuscular Mycorrhizal Fungi (AMF) + Trichoderma harzianum + Rhizobium leguminosarum. Three wild plant extracts treatments; i.e., Qeysoom Gebeli (Achillea fragrantissima L.), Harmal (Peganum harmala L.) and Mitnaan (Thymelaea hirsute L.) were sprayed on plants. Treatments were arranged in a randomized complete block design with three replicates in split plot system. The results indicated that biofertilizers had significant effected of all studied traits in both seasons. Foliar spraying of Thymelaea hirsute extract had the highest stimulation effects on spores count, root colonization, mycorrhizal status, and weight of non-active nodules, broad bean plant growth characters; i.e. stem length, number of branches per plant, leaf area, and shoot fresh and dry weight as well as both of fresh and dry weight of roots. Both of Thymelaea hirsute and Achillea fragrantissima extracts combined with biofertilizer treatment had significant effects on yield and its components (pod length, number of pods per plant, average pod weight total yield per plant, and weight of seeds per pod) in both seasons. The combination between Thymelaea hirsute and biofertilizer was the superior interaction treatment of this study.
This study focuses on using olive mill waste water (OMWW) as a novel biological treatment to decrease plant diseases while improving food quality. Root-knot nematode Meloidogyne is considered one of the main tomato diseases in North Sinai. The current study aimed to evaluate the efficiency of diffracting olive mill waste waters concentrations compared with the nematicide Oxamylon on Tomato Root-knot. OMWW was applied daily to tomato plants growing in sandy loam soil for three months. Represented five different concentration of OMWW (0%, 25%, 50%, 75%, and 100%) used for irrigation during the experiment. The positive control treatment was treated with Oxamyl at recommended dose. The negative control was watered only with tap water (0%). The results showed that mortality rates of M. incognita were significantly affected by concentrations. All treatments were superior to the untreated control in reducing nematode, except for OMWWs at 100 %, which was equivalent to the control treatment. The largest drop in root galling numbers Oxamyl was achieved (75.73%) was followed by 50% at (73.81%), 75% (68.01%), and 25% (39.67%). The highest reductions rated were recorded with the 50%and 75% concentrations used of OMWW. Overall, in the effort of efficient biological treatments was achieved for root knot control measures in tomato, the OMWW application may be used as one factor of integrated root-knot nematode management.
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