Explain the features of alternaria, Biology

Assignment Help:

Explain the Features of Alternaria?

1. Alternaria colony is wooly and compact. Underside is very dark coloured. Colony colour is grayish green or black with gray edges rapidly spreading over entire plate.

2. Mycelium consists of short septate, branched and light brown coloured hypae.

3. Multiply asexually by spore production or conidia formation.

4. Conidia reproduced at tips of short hyphae. Special structures such as conidiophores are not recognized.

5. Conidia are large, dark coloured, multicellular and beaked. Transverse, as well as, longitudinal septa are present. 8-14 or even more cells are present per spore.

6. Spores of Alternaria belongs to the category of dictyospore.


Related Discussions:- Explain the features of alternaria

Phimosis, Phimosis Phimosis may be congenital or acquired. The foreski...

Phimosis Phimosis may be congenital or acquired. The foreskin in young infants cannot be retracted, because at that gge it is adherent to the underlying glans. Wlen an attemp

Decay and nutrient cycling, Decay and Nutrient Cycling Soil organisms a...

Decay and Nutrient Cycling Soil organisms are the chief agents of decay of organic matter. Decomposition and mineralisation of organic matter results in release of inorganic nu

Gastrulation, Gastrulation The end of cleavage of the unicellular zyg...

Gastrulation The end of cleavage of the unicellular zygote results in the creation of multicellular blastula, which may be a solid structure with no a cavity (stereoblastula)

Ethylene production - responses to infection, Ethylene production - Res...

Ethylene production - Responses to Infection Ethylene is also induced in response to infection. It is also known to be produced under other stress conditions like wounding

Phototheraphy and exchange transfusion, PHOTOTHERAPHY AND EXCHANGE TRANSFUS...

PHOTOTHERAPHY AND EXCHANGE TRANSFUSION: This section will enable you to acquire skills related to phototherapy and exchange transfusion. You will also review the indication

Enumerate the various physical agents of sterilization, Q. Enumerate the va...

Q. Enumerate the various physical agents of sterilization, and list the advantages of moist heat in sterilization process Various physical agents of sterilization are Sun

How does the intensity of simple diffusion differ, How does the intensity o...

How does the intensity of simple diffusion differ in relation to the concentration gradient of the moved substance? The higher the concentration gradient of a substance the ext

State cryptobiosis and explain the function of it, State Cryptobiosis and e...

State Cryptobiosis and explain the function of it. A dormant, or suspended, state of animation which allows some animals to survive severe conditions like extremely low tempera

Seed formation, Seed Formation A mature seed has seed coat, an embryo ...

Seed Formation A mature seed has seed coat, an embryo and reserve food material in the endosperm in monocots and in cotyledons in the dicots. Figure shows structure of dicots

Copies of a single chromosome, A haploid cell contains: A.one half of a com...

A haploid cell contains: A.one half of a complete set of chromosomes B.several complete sets of chromosomes C.the correct number of chromosomes D.two complete sets of chromosomes E

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd