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First, pollination the most appropriate pollination time in the early bloom. Pollination should be selected within 3 days of flowering. Flowers pollinating more than 4 days will not pollinate properly. Flags suitable for pollination are stamen anthers which are partially unopened, pistil style is fresh, and stigma is mucus.
Collect flower buds that have loose petals but not yet open to collect anthers and pollen, and configure the pollen solution to be sprayed with a sprayer for pollination. Pay attention to choosing windless weather and even spraying cloth.
Second, the preservation of fruit in the production, usually by spraying growth regulators and nutrients, to promote the elongation of pollen tubes, promote fruit setting. Spraying 20 mg/L gibberellin during flowering, spraying 0.2% potassium dihydrogen phosphate at full bloom, 20 mg/kg of 2,4-D mixture, spraying 0.2% potassium dihydrogen phosphate, 2,4-D mixed solution during flowering stage 20 Mg / kg, can increase the plum production.
Li Shuhuaguo Management Technology
The plum blossom has a large amount of flowers, but its self-cultivation rate is low. In order to stabilize the yield and produce high yields, flower and fruit management is an important part. Its flower and fruit management is mainly embodied in pollination, thinning and fruit thinning, and flower protection and fruit preservation.