Breeding method for new variety of fruit mulberries

Abstract

The invention discloses a breeding method for a new variety of fruit mulberries. The breeding method comprises the following steps: step 1, selecting ripe mulberries of Taiwan morus macroura mulberrytrees which grow healthily; step 2, preserving seeds; step 3, sowing the seeds from the last ten-day period of March to the first ten-day period of April; step 4, thinning out seedlings when the height of fruit mulberry seedlings is 5 to 7cm; step 5, selecting the fruit mulberry seedlings with good growth from the last ten-day period of May to the first ten-day period of June and carrying out field planting; step 6, carrying out top removal for three times in sequence; step 7, in a growth period of the fruit mulberry seedlings, applying fertilizer to the fruit mulberry seedlings for a plurality of times and preventing diseases and insect pests; step 8, selecting the fruit mulberry seedlings, which grow well and selecting annual seedling fruit mulberry trees which grow healthily and have the diameter of 0.4 to 0.8cm as stock trees; grafting the fruit mulberry seedlings on the stock trees; step 9, spraying a chemical mutagenic agent on the grafted fruit mulberry seedlings every other onemonth, wherein the lasting time is 8 to 12 months; step 10, selecting mutated fruit mulberry plants with good growth vigor, large fruit shapes and high fruit yield and carrying out tissue culture propagation, so as to obtain the new variety.

Description

technical field [0001] The invention relates to a method for breeding new varieties of fruit mulberry. Background technique [0002] Traditional mulberry varieties are bred for the purpose of picking leaves and raising silkworms. They do not bear mulberries or produce small results, so they cannot form large-scale industrial production. Fruit mulberry is a general designation of fruit-based mulberry trees with both fruit and leaves. It has extremely rich nutrition and multiple medical and health care functions, and has a delicious taste. It has been loved and sought after by people since ancient times. [0003] The patent with the application number 2015101518012 discloses a kind of fruit and leaf dual-purpose mulberry variety breeding and high-efficiency model. The steps include: 1) collection of fruit and mulberry resources; 2) identification of fruit and mulberry resources; 3) cultivation of easy-picking tree types; 4) One-step gardening by grafting mulberry trees in ear...

AI Technical Summary

Problems solved by technology

But it only carries out grafting cultivation, and the fruit and leaf tha