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# عنوان البحث سنة البحث
661 Improvement of the Biologieal Control of Trichoderma harzianum Rifai to Onion White Rot. 1988
662 Improvement of the Biologieal Control of Trichoderma harzianum Rifai to Onion White Rot. 1988
663 Regeneration of tolerant plants to potato group viruses through thought somatic hybridization of potato protoplasts. 1988
664 Effect of certain chemical mutagens on potato plants produced from tissue culture for the indication of somaclones resistant to some potato viruses. 1988
665 Effect of certain organic sulphides on sclerotial germination of Sclerotium cepivorum in soil and efficiency of chemical control of onion white rot 1988
666 Effect of certain organic sulphides on sclerotial germination of Sclerotium cepivorum in soil and efficiency of chemical control of onion white rot 1988
667 Effect of certain organic sulphides on sclerotial germination of Sclerotium cepivorum in soil and efficiency of chemical control of onion white rot 1988
668 Histopathology of infection and deveIopment of Botrytis allii Munn in onion floral and seed stalk tissues. 1988
669 Effect of maize variety, method of infection, date of planting and plant phenols and sugar content on common smut disease 1987
670 Effect of onion cultivars on white rot biological control 1986