RICE PERFORMANCE AND NATURAL INFECTION WITH BLAST (PYRICULARIA-ORYZAE CAV) UNDER DIFFERENT ALGALIZATION TECHNIQUES AND RATES OF FERTILIZER NITROGEN

被引：2
作者：
YANNI, YG
SEHLY, MR
机构：
[1] Sakha Agricultural Research Station, Kafr El-Sheikh, A.R.
来源：
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY | 1991年 / 7卷 / 01期
关键词：
D O I：
10.1007/BF02310918
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Japonica rice, Giza 171, was inoculated with either a dry or fresh soil-based inoculum of cyanobacteria containing Anabaena cylindrica, Anabaena oryzae, Nostoc muscorum and Tolypothrix tenuis together with fertilization with urea at 0, 36, 72, or 108 kg N/ha. Fresh inoculum enhanced plant growth, yield and N content in comparison with the dry one. The efficiency of nitrogen utilization from the urea at all N concentrations was improved by using the fresh inoculum. Natural infection with leaf and neck blast caused by Pyricularia oryzae Cav. increased with increasing N fertilization. Algalization with the fresh inoculum decreased leaf blast while neck blast was slightly higher in the algalized sub-plots but without considerable yield damage.
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页码：43 / 47
页数：5
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