Studies on Performance and Mechanism of Negative Phototropism of Chlorophytum comosum Roots and Its Regulation Studies on Performance and Mechanism of Negative Phototropism of Chlorophytum comosum Roots and Its Regulation Photosynthetic characteristics of Chlorophytum capense var. medio-pictum under short duration high light intensity Observations on the Structure of Chlorophytum comosum Roots Under Soiland Water Culture Observations on the Structure of Chlorophytum comosum Roots Under Soiland Water Culture