Title

Anatomical and morphological responses of papaya, Carica papaya L., to various light conditions

Document Type

Thesis

Degree

Master of Science (MS)

Department

Biology

First Advisor's Name

David W. Lee

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Bruce Schaffer

Third Advisor's Name

Jennifer H. Richards

Fourth Advisor's Name

Jack B. Fisher

Keywords

Papaya, Plants, Effect of light on, Light, Physiological effect

Date of Defense

1-25-1991

Abstract

Plants that develop under foliar shade encounter both low photosynthetically active radiation (PAR) and low red to far red ratios (R:FR). Both of these factors are important in determining developmental responses to shade. Papaya (Carica papaya L.) seedlings grown under filtered shade (low PAR and low R:FR) were compared with seedlings grown under neutral shade (low PAR with R:FR similar to that of full sunlight), and high light (moderate PAR with R:FR similar to that of full sunlight). The results indicated that papaya exhibits a light seeking strategy as evidenced by morphological and anatomical differences between treatments. Based on past research the results also indicate shade developmental responses in papaya to be phytochrome mediated.

Identifier

FI14051874

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