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AARI Winter Internship May 2024 on "Biofertilizers" for Loyola College - UG Students

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Winter Internship 2024 Annakkili Amma Research Institute (AARI), conducted 11 days winter internship program for Loyola College, UG Plant Biology and Biotechnology final year students.  The Internship program was covering Vermitechnology, Nitrogen fixing Bacterial isolation, compost preparation, Seaweed Liquid Fertilizers and other topics related to Biofertilizer. The 11 days program started on 18th December 2024 and till 30th  December 2024 for first batch and for second batch it started on 2nd January, 2025. This Post contains the Name List of the students, who participated in the Internship Program d uring   18th December 2024 to 12th  January 2025 . This list is to cross verify the certificate provided by AARI (AARI certificates are provided with QR codes, if anyone want to check the authenticity of the certificate can simply scan and verify the Name and AARI register Number).    Reg. No Name Roll No AARI-10...

The comparison of various types of Woods (Porous Wood Vs Non-Porous Wood; Heartwood Vs Sap Wood ; Springwood Vs Autumn Wood)

The comparison of various types of Woods

Porous wood (Hardwood) Vs Non-porous wood (Softwood)

Porous wood (Hardwood)

Non-porous wood (Softwood)

(i) This wood is found in angiosperms

It is found in Gymnosperms.

(ii) Vessels are present.

Vessels do not present.

(iii) This wood is hard.

It is soft.

(iv) Xylem fibers are present.

Xylem fibers are rarely present.

(v) Vessels are more in porous wood.

Xylem tracheids are dense.

(vi) It is also called heteroxylous wood

It is called homozygous wood

 

Duramen (Heart-wood) Vs Alburnum (Sap wood)

Duramen (Heart-wood)

Alburnum (Sap wood)

(i) Duramen wood dark in colour.

Alburnum wood light in colour.

(ii) This wood does not conduct water.

Alburnum wood conducts the entire water.

(iii) In this wood, Tyloses are present.

In this wood, tyloses are not present.

(iv) It gives mechanical support to the plant.

It does not give mechanical support.

(v) It is present in the central part of the tree stem.

It is found in the outer part of the stem.

Duramen (Heart wood)

Alburnum (Sapwood)

 

Spring wood Vs Autumn wood

Spring wood

Autumn wood

(i) Springwood are generally light brown in Colour

Autumn woods are dark brown in colour.

(ii) In plants, its quantity is more.

In-plant, its quantity is less.

(iii) Its vessel are broad and with the large cavity.

Its vessels are small and with the narrow cavity.

(iv) It is made up in favorable conditions.

It is made up, in unfavorable conditions.

(v) It is produced from more activity of cambium.

It is produced from less activity of cambium.

(vi) In Springwood, the fiber are present less.

In Autumn wood, the fiber are present more.

Spring wood

Autumn wood

Porous Wood Vs Non-Porous Wood; Heartwood Vs Sap Wood ; Springwood Vs Autumn Wood

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