A kind of management method of fertilizer and water for floating seedlings and seedling production of pepper southern propagation

Abstract

The invention provides a hot pepper south-reproduction seed production floating system nutrient and water management method. The nutrient and water management method comprises the following steps: step one, adding certain amounts of urea, monopotassium phosphate fertilizer, powerful root and seedling promoter and water-soluble humic acid fertilizer in a seedling pond before floating seedling plates are put in the seedling pond, adding fertilizers in the seedling pond for uniform stirring, and then putting in the floating seedling plates for sowing; and step two, adding certain amounts of urea, monopotassium phosphate fertilizer, powerful root and seedling promoter, water-soluble humic acid fertilizer and microelement balance fertilizer in the seedling pond after the second true leaf of hot pepper is completely spread. According to the hot pepper south-reproduction seed production floating system nutrient and water management method provided by the invention, through the method that the specific fertilizers are added into the seedling pond before and after the floating seedling plates are put into the seedling pond, the hot pepper seeds are high in germination rate and good in seedling potential; and moreover, the seedlings are prevented from being burnt and killed by fertilizer damage due to a high temperature when the temperature is high.

Description

technical field [0001] The invention relates to the field of planting technology, in particular to a fertilizer and water management method for floating seedling cultivation of capsicum southern propagation. Background technique [0002] Capsicum is one of the important vegetable varieties widely cultivated in my country, and breeding new capsicum varieties with high quality, high yield and disease resistance is the goal of the majority of breeders. However, in the main areas of our country, peppers can only be cultivated and selected for one generation a year. In order to speed up the breeding process, additional breeding is generally carried out in the south. Hainan Island is located in the tropics, warm and hot all year round, with abundant rainfall, sufficient sunshine, and humid climate, which is conducive to the pollination and fruit setting of peppers. It is one of the best places for southern multiplication and seed production. [0003] However, in order to get rid ...

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Problems solved by technology

[0003] However, in order to get rid of the climatic restrictions of pepper planting locations, floating seedling breeding technology is used for pepper seedling breeding in inland my country. However, due to the large climate difference between Hainan and inland areas, the temperature during the daytime is high from mid-September to mid-October in Hainan. If the temperature exceeds 30°C, if the conventional fertilizer and water management technology for inland floating seedlings is used to propagate seeds in southern Hainan, the germination rate of pepper seeds will be low, and the seedling potential will be poor, and the seedlings will be easily damaged by fertilizers and burnt to death at high temperatures.