Controlling Leggy Growth in Cucumbers
隐藏域元素占位
Controlling Leggy Growth in Cucumbers
Application of Growth Regulators for Controlling Leggy Growth in Cucumbers
Chlormequat Chloride
When 3-4 true leaves are unfolded, spray the leaves with 50-100mg/L liquid medicine to dwarf the plants. When 14-15 leaves are unfolded, spraying with 100-300mg/L liquid medicine can promote fruit setting and increase yield.
Mepiquat chloride
Soaking the seeds with 600-1400mg/L mepiquat chloride liquid for 1 hour or spraying the leaves with 250-500mg/L liquid medicine once at the 4 true leaf stage can inhibit the plant height and hypocotyl length and increase the seedlings. The stem is thick, which can significantly increase the root-shoot ratio and the seedling index of seedlings.
Paclobutrazol
Foliar spraying with 35-40 mg/L paclobutrazol liquid during the cotyledon flattening period can effectively inhibit the occurrence of leggy phenomenon in cucumber seedlings. were significantly improved. Among them, the plant height of cucumber self-rooted seedlings decreased by 24.7%, and the plant height of rootstock seedlings decreased by 45.8%. The chlorophyll content of seedling leaves increased by 38.2%, the fresh weight and dry weight increased by 37.9% and 23.1%, respectively, and the seedling strength index increased by 82.8%.
Uniconazole
Seed soaking with 5-20mg/L uniconazole for 6-12h can effectively control the leggy growth of cucumber seedlings, make the leaves dark green, the stems are thick and the leaves thicker, and the number of melons per plant is increased, and the yield of cucumbers is significantly improved. In the early flowering stage of cucumber, spraying the whole plant with 20mg/L liquid medicine can reduce the number of nodes per plant, increase the fruiting rate, effectively reduce the node position and deformity rate of the first melon, and significantly increase the volume per plant.
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