Growth Reactions of Ground Cover Plants under Various Sunlights Condition

Abstract

From the result of the experiments for the growth of ground cover plants under various sunlight condition, most of the 20 types of model plants proved that they could grow very well in 10% to 50% of relative light intensity.
Details are follows:
1) Ophiopogon planiscapus Nakaiwas superior thanOphiopogon japonicus Ker-Gawler. in shade tolerance.
2) Shibataea Kumasaca Makinowas superior toSasa veitchii Rehd. andSasa veichii f. minor Rehd.in shade tolerance.
3) Dryopteris erythrosora Kuntze. was superior toPolystichopsis Standishii TagawaandAdiantum pedatum L. in shade tolerance.
4) The limit of the relative light intensity for survival was under 0.1% forReineckia carnea Kunth, Sarcococca humilis Rehd et Wils., andRuscus aculeatus L., and 0.1% forAdiantum pedatum L., Dryopteris erythrosora Kuntze., Ophiopogon planiscapus Nakai, Ophiopogon japonicus Ker. forma nanus hort., Ophiopogon japonicus Ker-Gawl., Euonymus japonica Thumb., andPachysandra terminalis Sieb. et Zucc., and 0.1% to 1% forPolystichopsis standishii Tagawa, and 1 % for Shibataea Kumasaca Makino, Sasa veitchii Rehd., andSasa veitchii f. minor Rehd., and 1 % to 10% forAjuga reptans L., Hypericum calycium L., Vinca minor L., Hedera canariensis Willd., andHedera herix L., and 10% to 50% forPhlox subulata L.