Zahana, A., Abo-Kaied, H. (2007). RESPONSE OF SOME FLAX GENOTYPES TO MINERAL NITROGEN LEVELS AND BIO-FERTILIZER. Journal of Plant Production, 32(3), 1639-1648. doi: 10.21608/jpp.2007.206707
Afaf E. A. Zahana; H. M. H. Abo-Kaied. "RESPONSE OF SOME FLAX GENOTYPES TO MINERAL NITROGEN LEVELS AND BIO-FERTILIZER". Journal of Plant Production, 32, 3, 2007, 1639-1648. doi: 10.21608/jpp.2007.206707
Zahana, A., Abo-Kaied, H. (2007). 'RESPONSE OF SOME FLAX GENOTYPES TO MINERAL NITROGEN LEVELS AND BIO-FERTILIZER', Journal of Plant Production, 32(3), pp. 1639-1648. doi: 10.21608/jpp.2007.206707
Zahana, A., Abo-Kaied, H. RESPONSE OF SOME FLAX GENOTYPES TO MINERAL NITROGEN LEVELS AND BIO-FERTILIZER. Journal of Plant Production, 2007; 32(3): 1639-1648. doi: 10.21608/jpp.2007.206707
RESPONSE OF SOME FLAX GENOTYPES TO MINERAL NITROGEN LEVELS AND BIO-FERTILIZER
Fiber Crops Res. Section, Field Crops Res. Inst., A.R.C.
Abstract
This investigation was conducted at Gemmaza Agric. Res. Station Gharbia Governorate, A.R.C., Egypt during the two successive seasons of 2003/04 and 2004/05 to study the effect of inoculation with bio-fertilizer on yield and yield components of two commercial cultivars namely Sakha1 and Sakha2 under graded levels of nitrogen fertilization. A spit-split plot design with four replications was used with varieties (V), Sakha1 and Sakha2 as main plots, whereas mineral nitrogen (N) levels (0,15,30 and 45 kg/fed) as sub plots while the sub-sub plots were devoted to bio-fertilization (B) treatments. The most important results could summarized as follow:
1- Combined data revealed that significant difference between flax cultivars for all characters under study. Sakha1 gave the highest values of plant height, technical stem length, straw weight / plant, straw yield / fed, fiber yield / fed, fiber percentage, fiber length and fiber fineness, while Sakha2 gave the highest values of each No. of capsules / plant, No. of seeds / capsule, 1000-seed weight, seed weight / plant seed yield / fed, oil yield/ fed and oil percentage.
2- The nitrogen fertilizer showed significantly increased most characters under study by increasing nitrogen level from zero to 45 kg N / fed, while there was no significant effect on No. of seeds / capsule. Whereas, fiber fineness gradually decreased as N level was increased. There was a trend of coarseness of fiber due to increased N level until 45 kg N / fed.
3- Bio-fertilizer application significantly increased plant height, technical stem length, straw weight / plant, straw yield / fed, fiber yield / fed, No. of capsules / plant, No. of seeds / capsule , 1000-seed weight, seed weight / plant, seed yield / fed, oil yield / fed and also, the bio-fertilization significantly increased oil percentage fiber percentage and fiber length. In contrast, bio-fertilizer caused decreases in fiber fineness.
4- The interactions between the studied factors were not significant, except N x V interaction had a significant effect on straw weight / plant, 1000-seed weight, fiber percentage and fiber length. Moreover, V x N x B for straw weight / plant, straw yield / fed, fiber yield / fed, No. of capsules / plant, 1000-seed weight, seed weight / plant, seed yield / fed and oil yield / fed. It can be recommended that cultivation of flax with soil inoculation by bio-fertilizer with nitrogen level of 30 kg N /fed in order to get of the highest straw yield and fiber yield with Sakha1 as well as get of the highest seed yield and oil yield /fed with Sakha2 under the environmental conditions of the study.
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