Advertisements
Advertisements
प्रश्न
How do mycorrhizal fungi help the plants harbouring them?
Advertisements
उत्तर
The mycorrhizal fungi absorb phosphorus from the soil and transfer them to the host cells. They also impart resistance to host plants against root pathogens. They also help plants tolerate salinity and drought.
APPEARS IN
संबंधित प्रश्न
What is a heterocyst?
Name the aquatic fern commonly used in paddy fields as a biofertilizer.
Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop.
- Recommend two microbes that can enrich the soil with nitrogen.
- Why do leguminous crops not require such enrichment of the soil?
Identify the CORRECT statement regarding Mycorrhiza.
By application of ____________ yield of paddy field can be increased.
VAM stands for ______.
Anabaena forms symbiotic relationship coralloid roots of ______.
Blue green algae are used as bio fertilizers because they ____________.
In plant breeding, biofortification is a method ____________.
An organism used as a biofertiliser for raising soyabean crop prediction is:
Why are blue green algae not popular as biofertilisers?
Give two examples of biofertilizer.
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Rhizobium
Azolla is used as biofertiliser because it ______.
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
How many statements are true about biofertilizers?
- They are nitrogen fixers.
- They are commercial preparation of live bacteria and fungi.
- Use of biofertilizers is expensive.
- There is only one type of biofertilizer.
- They are classified as inorganic.
