Results 211 to 220 of about 2,896 (240)
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Vernalization and Phyllochron in Winter Wheat
Agronomy Journal, 1991AbstractPhyllochron (degree‐days/leaf) has been used to describe phasic leaf development in dynamic wheat (Triticum aestivum L.) crop development models. Vernalization controls the rate of crop development in winter wheat. The objective of this experiment was to determine whether vernalization affected the thermal time required for winter wheat to ...
Weixing Cao, Dale N. Moss
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Phyllochron Differences in Wheat, Barley, and Forage Grasses
Crop Science, 1995The phyllochron is a measure of rate of development of plant leaves. Knowledge of the phyllochron for crop species is useful in formulating simulation models and for tracking plant development to determine when to apply management practices that depend on crop development stage. Our objectives were to determine the phyllochron and genetic effects among
A. B. Frank, A. Bauer
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Sensitivity of Winter Wheat Phyllochron to Environmental Changes
Agronomy Journal, 1994AbstractThe effect of environmental changes on the rate of leaf emergence in wheat (Triticum aestivum L .) must be understood to accurately simulate the development of the crop canopy. We determined the phyllochron for ‘Stephens’ winter wheat plants in growth chambers at two constant temperatures (10 and 18 °C) at a daylength of 14 h and at two ...
Weixing Cao, Dale N. Moss
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Phyllochron Response to Vernalization and Photeperiod in Spring Wheat
Crop Science, 1995An understanding of how environment controls the initiation and development of the leaf is required to construct dynamic crop simulation models. The aim of this study was to determine the effect of vernalization and photoperiod on total number of leaves at anthesis, leaf emergence rate, and phyllochron in 20 spring wheat genotypes (Triticum aestivum L.)
Moussa G. Mossad +3 more
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The Phyllochron: Where Do we Go in the Future?
Crop Science, 1995This paper integrates, expands, and applies information from seven articles written for a symposium on the use of phyllochron concepts for describing shoot development in grasses. Generally, no one environmental factor is a perfect predictor of plant development rate.
R. W. Rickman, B. L. Klepper
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Inheritance of Phyllochron in Barley
Crop Science, 1999Phyllochron, defined as the time between elongation of successive leaves, influences the development of cereals. Small phyllochron may be advantageous for barley (Hordeum vulgare L.) grown in cool or short‐season conditions, in order to increase the number of leaves produced from a given number of heat units, usually measured in growing degree days ...
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Phyllochron Dynamics Under Controlled Environments in Rice (Oryza Sativa L.)
Euphytica, 2006Previously, we reported that phyllochron of rice greatly fluctuated in the course of development under natural conditions. The present study was carried out to examine the phyllochron dynamics using the five near-isogenic lines (NILs) for heading time and the recurrent parent.
Youki Itoh, Yoshio Sano
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Phytomers, phyllochrons, phenology and temperate cereal development
The Journal of Agricultural Science, 2005Extensive research has been conducted on temperate cereal development since the inception of the Journal of Agricultural Science, Cambridge in 1905. This review presents an overview of the orderly and predictable development of wheat (Triticum aestivum L.) and barley (Hordeum vulgare L.). It begins with the concept of building canopies by the formation,
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Temperature and Daylength Interaction on Phyllochron in Wheat and Barley
Crop Science, 1989An understanding of how environment controls the initiation and development of leaves is required to construct dynamic crop simulation models. The leaf development process is poorly understood in cereals. This study was designed to investigate the interaction of temperature and daylength on the leaf phyllochron in winter wheat (Triticum aestivum L ...
Weixing Cao, Dale N. Moss
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Shoot and Root Development in Rice Related to the Phyllochron
Crop Science, 1995In grasses, construction of a growing plant is determined primarily by the rate of leaf development in the shoot apex and the timing of tillering and rooting of individual phytomers relative to leaf development. Our purpose is to review shoot and root growth in relation to emergence of leaves in rice (Oryza sativa L.).
Keisuke Nemoto +2 more
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