The agricultural value of research to understand the control of root hair development. Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.

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Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI). Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN). Laboratory Analysis: Body: Large leaves emerging from underground rhizome. Size: 63 cm Chromosomal Analysis: Plant body is diploid—chromosome number of 44. Lignin test: Positive Cuticle: Present Leaves: Present—large with branched veins. Underside has sori (containing haploid spores). Roots: Present—branch from the inside. Stem: Present—vascular tissue (xylem & phloem) present. Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte. Explain which domain, kingdom and phylum you believe this plant should be classified…

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Question

Chapter 36, Problem 16TYU

Summary Introduction

To explain: The agricultural value of research to understand the control of root hair development.

Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.

Summary Introduction

To explain: The agricultural value of the interactions leading to the mycorrhizal association.

Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.

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Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI). Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN). Laboratory Analysis: Body: Large leaves emerging from underground rhizome. Size: 63 cm Chromosomal Analysis: Plant body is diploid—chromosome number of 44. Lignin test: Positive Cuticle: Present Leaves: Present—large with branched veins. Underside has sori (containing haploid spores). Roots: Present—branch from the inside. Stem: Present—vascular tissue (xylem & phloem) present. Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte. Explain which domain, kingdom and phylum you believe this plant should be classified…

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