1. Kohler, A.E., E.M. Birtell, E.S. Runkle, and Q. Meng*. 2023. Day-extension blue light inhibits flowering of chrysanthemum when the short main photoperiod includes far-red light. J. Amer. Soc. Hort. Sci. 148(2):89–98.

2. Meng, Q.* and E.S. Runkle*. 2023. Blue photons from broad-spectrum LEDs control growth, morphology, and coloration of indoor hydroponic red-leaf lettuce. Plants 12(5):1127. 

3. Runkle, E.S.*, Y. Park, and Q. Meng. 2022. High photosynthetic photon flux density can attenuate effects of light quality. Acta Hort. 1337:333–340.

4. Meng, Q. and E.S. Runkle*. 2020. Growth responses of red-leaf lettuce to temporal spectral changes. Front. Plant Sci. 11:571788.

5. Kelly, N., D. Choe, Q. Meng, and E.S. Runkle*. 2020. Promotion of lettuce growth under an increasing daily light integral depends on the combination of the photosynthetic photon flux density and photoperiod. Sci. Hort. 272:109565.

6. Lopez, R.G.*, Q. Meng, and E.S. Runkle. 2020. Blue radiation signals and saturates photoperiodic flowering of several long-day plants at crop-specific photon flux densities. Sci. Hort. 271:109470.

7. Meng, Q., J. Boldt, and E.S. Runkle*. 2020. Blue radiation interacts with green radiation to influence growth and predominantly controls quality attributes of lettuce. J. Amer. Soc. Hort. Sci. 145:75–87.

8. Runkle, E.S.*, Q. Meng, and Y. Park. 2019. LED applications in greenhouse and indoor production of horticultural crops. Acta Hort. 1263:17–30.

9. Meng, Q. and E.S. Runkle*. 2019. Far-red radiation interacts with relative and absolute blue and red photon flux densities to regulate growth, morphology, and pigmentation of lettuce and basil seedlings. Sci. Hort. 255:269–280.

10. Meng, Q., N. Kelly, and E.S. Runkle*. 2019. Substituting green or far-red radiation for blue radiation induces shade avoidance and promotes growth in lettuce and kale. Environ. Exp. Bot. 162:383–391.

11. Meng, Q. and E.S. Runkle*. 2019. Regulation of flowering by green light depends on its photon flux density and involves cryptochromes. Physiol. Plant. 166:762–771.

12. Meng, Q. and E.S. Runkle*. 2018. Using radiation to enhance quality attributes of leafy vegetables: a mini-review. Acta Hort. 1227:571–578.

13. Owen, W.G., Q. Meng, and R.G. Lopez*. 2018. Promotion of flowering from far-red radiation depends on the photosynthetic daily light integral. HortScience 53(4):465–471.

14. Meng, Q. and E.S. Runkle*. 2017. Investigating the efficacy of white light-emitting diodes at regulating flowering of photoperiodic ornamental crops. Acta Hort. 1170:951–957.

15. Song, J., Q. Meng, W. Du, and D. He*. 2017. Effects of light quality on growth and development of cucumber seedlings in controlled environment. Int. J. Agr. Biol. Eng. 10(3):312–318.

16. Meng, Q. and E.S. Runkle*. 2017. Moderate-intensity blue radiation can regulate flowering, but not extension growth, of several photoperiodic ornamental crops. Environ. Exp. Bot. 134:12–20.

17. Meng, Q. and E.S. Runkle*. 2015. The role of blue light in night-interruption lighting of petunia. Acta Hort. 1107:101–105.

18. Meng, Q. and E.S. Runkle*. 2015. Low-intensity blue light in night-interruption lighting does not influence flowering of herbaceous ornamentals. Sci. Hort. 186:230–238.

19. Meng, Q. and E.S. Runkle*. 2014. Controlling flowering of photoperiodic ornamental crops with light-emitting diode lamps: A coordinated grower trial. HortTechnology 24:702–711.

*Corresponding author.

1. Meng, Q. and E.S. Runkle. 2016. Control of flowering using night-interruption and day-extension LED lighting, p. 191–201. In: T. Kozai et al. (eds.). LED Lighting for Urban Agriculture. Springer Singapore, Singapore.

2. Mitchell, C.A., M.P. Dzakovich, C. Gomez, R. Lopez, J.F. Burr, R. Hernández, C. Kubota, C.J. Currey, Q. Meng, E.S. Runkle, C.M. Bourget, R.C. Morrow, and A.J. Both. 2015. Light-emitting diodes in horticulture, p. 1–88. In: J. Janick (ed.). Horticultural Reviews vol. 43. John Wiley & Sons, Hoboken, NJ. 

1. Meng, Q. 2018. Spectral manipulation improves growth and quality attributes of leafy greens grown indoors. PhD diss., Dept. of Hort., Mich. State Univ., East Lansing, MI. ISBN 9780438726611.

2. Meng, Q. 2014. Investigating use of blue, red, and far-red light from light-emitting diodes to regulate flowering of photoperiodic ornamental crops. MS thesis, Dept. of Hort., Mich. State Univ., East Lansing, MI. ISBN 9781321026658.

3. Meng, Q. 2012. Light quality affects growth and development of cucumber seedlings in an enclosed transplant factory. BE thesis. Dept. of Agr. Structure Environ. Energy Eng., China Agr. Univ., Beijing, China.

1. Meng, Q. 2023. Measuring the efficacy of LEDs: timing white versus red + far-red LEDs to control flowering. GrowerTalks 4:42–43. 

2. Meng, Q. and E.S. Runkle. 2022. Photoperiod, light intensity, and daily light integral. Produce Grower.

3. Meng, Q. and E.S. Runkle. 2022. Fixed vs. dynamic light quality for indoor hydroponic lettuce. Produce Grower.

4. Meng, Q. and E.S. Runkle. 2021. Far-red and PPFD: A tale of two lettuce cultivars. Produce Grower.

5. Meng, Q. and E.S. Runkle. 2021. Differentiating broad spectra. Produce Grower.

6. Meng, Q. and E.S. Runkle. 2021. LEDs on lettuce: white light versus red + blue light. Produce Grower.

7. Meng, Q. and E.S. Runkle. 2019. Leafy greens: green and blue LED lighting. Produce Grower 3:20–24.

8. Meng, Q. and E.S. Runkle. 2019. Leafy greens: green and far-red LED lighting. Produce Grower 2:22–25.

9. Meng, Q. and E.S. Runkle. 2019. How green light affects floriculture crops. Greenhouse Grower 2:26–28.

10. Meng, Q. 2017. Green light is more useful to plants than you might think. Urban Ag News.

11. Meng, Q. and E.S. Runkle. 2017. Far red is the new red. Inside Grower 2:26–30.

12. Meng, Q. and E.S. Runkle. 2016. Choosing the right LEDs to regulate flowering in greenhouses. Michigan State University Extension.

13. Meng, Q. and E.S. Runkle. 2015. Can white LEDs control flowering? Greenhouse Management 10:63–64.

14. Meng, Q. and E.S. Runkle. 2014. Evaluating different colors of LEDs to control flowering. Greenhouse Product News 12:14–19.

15. Meng, Q. and E.S. Runkle. 2014. Control flowering with LEDs. GrowerTalks 3:62–64.