Affected by the long-term low temperature and frost damage in January and February, the litchi of Maoming area should be pumped out in January, but most of them were delayed until mid-February. The late-maturing varieties such as cinnamon and glutinous rice hulls and the medium-maturing variety Baila, which was over-controlled, even passed the critical time of the most recent flowering buds in previous years before they were extracted. Litchi fruit and fruit during the period of relatively high temperature, rapid development, in a relatively short period of time to complete the development of flowers and fruits. If nutrients and water cannot keep up, flowering tends to appear fine and fruit is not ripened. The normal lychee fruit becomes like the “red jujube†and the flesh is thin and fruit shape is not full, affecting the yield of litchi and quality.
Therefore, lychee flowers are drawn late this year. In the flower and fruit period, fertilizer and water management must be strengthened to ensure the normal development of flowers and fruits and prevent the occurrence of “red date†fruit.
First, a balanced water supply. Litchi fruit and fruit development period is a period of more water, but excessive watering at one time is not conducive to fruit development or fruit drop. Therefore, water should be supplied in a balanced manner to promote the normal development of litchi flowers. Flowering period and young fruit period will be sprayed once every 10 days or so. It is advisable to use “running horse water†or water supply combined with water-spraying fertilizer.
Second, increase fertilizer material. On the basis of the normal application of strong flowers and strong fruit fertilizers, organic fertilizers such as manure and feces and peanut cakes can be applied 1-2 times during bud stage and young fruit stage. Each time the insecticide is sprayed, the foliar fertilizer can be sprayed together. The conditional orchard should spray the foliar fertilizer once after each spraying. Foliar fertilizer should choose raw meat, vitality, ASUS 888, biological chicken soup, amino acids, nucleotides and so on.
Third, the appropriate use of hormones. In order to accelerate the development of lychee fruit and fruit, some hormones can be sprayed in combination with spraying pesticides and foliar fertilizers. After the spike was basically completed, combined with spray pesticide and foliar spray, a 0.1% borax was used to promote pollen tube development. The young fruit is not sprayed 1-2 times in 10 days before the long flesh, promoting fruit enlargement.
Fourth, prevention and treatment of pests and flowers. Young flowers and fruit are the main targets of pests and diseases. It is advisable to spray an insecticide and a bactericidal agent separately before and after flowering. Then, according to the report of the locust worms, a pesticide control was sprayed during the emergence period of adult worms and larvae. Insecticides can be selected and controlled by pyrethroid pesticides (selected before and after flowering), aphids, and trichlorfon plus insecticide. Antiseptic drugs can choose Dasheng M, Prataxam, carbendazim and so on.
Therefore, lychee flowers are drawn late this year. In the flower and fruit period, fertilizer and water management must be strengthened to ensure the normal development of flowers and fruits and prevent the occurrence of “red date†fruit.
First, a balanced water supply. Litchi fruit and fruit development period is a period of more water, but excessive watering at one time is not conducive to fruit development or fruit drop. Therefore, water should be supplied in a balanced manner to promote the normal development of litchi flowers. Flowering period and young fruit period will be sprayed once every 10 days or so. It is advisable to use “running horse water†or water supply combined with water-spraying fertilizer.
Second, increase fertilizer material. On the basis of the normal application of strong flowers and strong fruit fertilizers, organic fertilizers such as manure and feces and peanut cakes can be applied 1-2 times during bud stage and young fruit stage. Each time the insecticide is sprayed, the foliar fertilizer can be sprayed together. The conditional orchard should spray the foliar fertilizer once after each spraying. Foliar fertilizer should choose raw meat, vitality, ASUS 888, biological chicken soup, amino acids, nucleotides and so on.
Third, the appropriate use of hormones. In order to accelerate the development of lychee fruit and fruit, some hormones can be sprayed in combination with spraying pesticides and foliar fertilizers. After the spike was basically completed, combined with spray pesticide and foliar spray, a 0.1% borax was used to promote pollen tube development. The young fruit is not sprayed 1-2 times in 10 days before the long flesh, promoting fruit enlargement.
Fourth, prevention and treatment of pests and flowers. Young flowers and fruit are the main targets of pests and diseases. It is advisable to spray an insecticide and a bactericidal agent separately before and after flowering. Then, according to the report of the locust worms, a pesticide control was sprayed during the emergence period of adult worms and larvae. Insecticides can be selected and controlled by pyrethroid pesticides (selected before and after flowering), aphids, and trichlorfon plus insecticide. Antiseptic drugs can choose Dasheng M, Prataxam, carbendazim and so on.
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