The invention belongs to the technical field of landscape
plant physiological regulation and control, and provides a Japanese
evening primrose single-side
bud removal control experiment method based on physical regulation and control, which comprises the following steps: selecting Japanese
evening primrose plants which grow vigorously and are free from diseases in a
bud period, and randomly dividing the Japanese
evening primrose plants into an experiment group and a control group; performing physical single-side leaf
bud manual removal treatment on the plants in the experimental group, retaining the other side as a self-control group, and keeping the plants in the control group in a natural growth state; the method comprises the following steps: respectively collecting flower organ samples of an experimental
group treatment side, an experimental group natural side and a control group in an initial blooming period, a blooming period and a littering period of Japanese
evening primrose; measuring the
flowering time, the RHS flower color value, the
petal surface area, the
pedicel length and the fresh flower
dry weight index of the three groups of samples; according to the method, the ornamental period of the
evening primrose is remarkably prolonged through physical bud removal treatment, the
petal color is deepened, the
petal surface area is increased, the flower visual effect is improved, the landscape layering sense is enhanced, and a
scientific method is provided for management and application of
ornamental tree species.