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प्रश्न
The free-living fungus Trichoderma can be used for ______.
पर्याय
killing insects
biological control of plant diseases
controlling butterfly caterpillars
producing antibiotics
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उत्तर
The free-living fungus Trichoderma can be used for biological control of plant diseases.
APPEARS IN
संबंधित प्रश्न
Mention one advantage and one disadvantage to a farmer who uses them.
What is VAM?
Why are baculoviruses considered good biocontrol agents?
Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents.
Why are the spores of Bacillus thuringiensis used as bioinsecticide?
How does the activity of each one of the following help in organic farming?
Mycorrhiza
What is mycorrhiza?
______ are controlled by the microbial herbicide Phytophthora palmivora.
Which of the following can be killed using Nosema locustae?
Which of the following is TRUE regarding Xanthomonas and Pseudomonas?
Farmers have reported over 50% higher yield of rice by using which of the following biofertilizers?
How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?
Organic farmer use Trichoderma as biological control agents. Explain.
Organic farmer use Baculovirus as biological control agents. Explain.
Which of the following is incorrect regarding Bacillus thuringiensis?
- Give an example of a genus of virus used as narrow spectrum insecticidal biocontrol agent.
- How does its use serve as an aid in overall integrated pest management programme?
A farmer grew 2 varieties of corn crops in fields A and B. He grew normal corn crops in field A and GM corn crops in field B. He observed corn borers attacked only in field A. To control it, spores of Bt were sprayed in field A.
- Name the gene in the spores responsible for the control of this pest.
- What effect will the spores of Bt have on the insect pest?
- How has field B developed resistance against this pest?
Define bioherbicides.
Explain how Bacillus thuringiensis acts as a bio-control agent.
Protozoan like Nosema locustae is used for controlling the target pests like ______.
