The failure of flowering of the poinsettias, which are produced in the greenhouse near the highway. Introduction: The plants use photo periodism for detecting the favorable conditions for flowering of the plants. The plants are divided into short day plants and long day plants. The short − day plants are long − night dependent plants and long − day plants are short − night dependent plants.

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Chapter 40, Problem 1S

Summary Introduction

To explain:

The failure of flowering of the poinsettias, which are produced in the greenhouse near the highway.

Introduction:

The plants use photo periodism for detecting the favorable conditions for flowering of the plants. The plants are divided into short day plants and long day plants. The short − day plants are long − night dependent plants and long − day plants are short − night dependent plants.

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