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#Id: 9750

N-(17-hydroxylinolenoyl)-l-glutamine is an elicitor known as volicitin induces volatile secondary metabolites in maize plants.

#XL - R Botany #Plant Défense against Pathogen #Part B Pointers

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#Id: 10604

#XL - R Botany

III. Vascular plants (pteridophyta)

EVOLUTION OF ROOTS

Instead of the rhizoids seen in bryophytes, roots evolved in the sporophytes of almost all vascular plants

#Id: 10605

#XL - R Botany

III. Vascular plants (pteridophyta)

EVOLUTION OF LEAVES

spore-bearing leaves called sporophylls

In terms of size and complexity, leaves can be classified as either microphylls or megaphylls

#Id: 10606

#XL - R Botany

#Id: 10607

#XL - R Botany

Sporophylls and Spore Variations

Sporophylls produce clusters of sporangia known as “sori”

Groups of sporophylls form cone-like structures called “strobili”

#Id: 10608

#XL - R Botany

Homosporous and Heterosporous

Homosporous develops into a bisexual gametophyte example; ferns

#Id: 10609

#XL - R Botany