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For probe into the application of Azotobacter on Eucalypt plantation, the method of dip roots was used for Azotobacter inoculation to the seedling roots of GL09 Clone of Eucalyptus urophylla×E.grandis. The experiment result show that there were distinct effects of Azotobacter on Seedlings Growth and chlorophll content and nitric acid deoxidize enzyme activity of GL09 Clone of Eucalyptus urophylla×E...
Using tender stems of the current-year in 1-year-old Pinus massoniana as explants and exploiting orthogonal experiments, we optimized the growth conditions of P. massoniana in vitro and successfully obtained the induction buds. The results were that: (1) as explants, tender stems that cultured in GD media supplemented with 2.0 mg/L N6-benzyladenine (6-BA) and 0.05 mg/L alpha-naphthyl acetic acid (NAA)...
Hemiberlesia pitysophila Takagi is a fatalnes plant diseases and insect pest of quarantined by the People's Republic of China. For probe into the effect of prevention and cure by biocontrol fungus on the insect pest of Hemiberlesia pitysophila Takagi, the prevention and cure tests in different season were done at Guangxi Bobai forestry farm and Cenxi, by the test design of random sections and complete...
Symbiotic nitrogen fixation of rhizobia and leguminous plants is considered as the most important biologic nitrogen fixation system on earth. Symbiotic nodulation of gymnosperm Podocarpus macrophyllus and rhizobia has never been reported. In this study, 11 endophytic bacteria strains were isolated from root nodules of P. macrophyllus and its variation P. macrophyllus var. maki. The plant infection...
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