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A nitrogen fixing bacterium that forms a loose assocation with the roots of crop plants is
A bacterium Azospillum lipoferum forms loose association with roots of maize and some Brazilian grasses which increase the crop yield up to a large extent.
Biofertilizers include
Bio-fertilizers are of three types: nitrogen fixing bacteria, nitrogen fixing cyanobacteria and mycorrhiza.
Biogas consists of
What are the advantage of gobar gas over conventional utilization?
Which of the following is the pair of bio-fertilizers?
Mycorrhiza is a symbiotic association between
Mycorrhiza is a mutually beneficial relationship between fungus and roots of higher plants.
Azollaenriches rice fields with nitrogen due to its association with
Azolla pinnata contains symbiont Anabaena in its leaf cavities.
If wheat field is inoculated with Rhizobium
Because Rhizobium bacteria live symbiotically in root nodules of legumes and some non-legumes.
Pyrethrin is a common ingredient of
Pyrethrin are obtained from the dry inflorescence of Chrysanthemum cinerarifolium. Pyrethrin is also used for sprays, mosquito coils mats and aerosols.
Thurioside is
Thurioside is toxic to several insects and produced by bacterium Bacillus thuringiensis.