Method for grafting watermelon by taking Yongzhen No. 6 as root stock

Abstract

The invention discloses a method for grafting watermelon by taking Yongzhen No. 6 as a root stock. The technical points are as follows: the seeding of the Yongzhen No. 6 root stock breed is 15-25 days earlier than that of watermelon; when two main leaves and one interior leaf are grow on the root stock, and two seed leaves of scion are unfolded, one section is cut on the Yongzhen No. 6 root stock by using a blade; a hole is obliquely made on the top of the root stock with a flat bamboo stick, and the bamboo stick is not pull out temporarily; a wedge-shape plane is cut below the seed leaves of the scion during grafting, the flat bamboo stick is pulled out of the root stock, the cut scion is inserted into the Yongzhen No.6 root stock, and the seed leaves of the root stock are used to support the scion to finish the grafting. The method in the invention prolongs the grafting optimum period, is simple to operate and high in efficiency, ensures high grafting survival rate, is contributed to prompting the popularization and application of the excellent watermelon root stock breeding Yongzhen No. 6, is also contributed to saving seeds, reducing the generation of the plant diseases and insect pests, prompting the watermelon to appear on the market earlier, and effectively improving the economic benefit of watermelon cultivation in sheltered ground in early spring.

Description

[0001] technical field [0002] The invention belongs to the technical field of watermelon cultivation, and in particular relates to a grafting method for grafting watermelons with "Yongzhen No. 6" as rootstock. technical background [0003] In recent years, due to the rapid expansion of the protected cultivation area of ​​melon crops and the continuous improvement of the multiple cropping index, the crop rotation cycle has been shortened, and the soil continuous cropping obstacles have become more serious, especially soil-borne diseases such as melon wilt. Due to continuous cropping and other reasons, there are The trend of increasing year by year, the rate of dead plants reaches 20-30%, and the serious ones destroy the whole field. The pathogenic bacteria of these diseases mainly survive the winter in soil, diseased residues, and unripe manure with mycelium, chlamydospores, and sclerotium. They are soil-inhabiting bacteria and have tenacious vitality in the soil. ...

AI Technical Summary

Problems solved by technology

However, most of the traditional grafting methods are grafted when the "Yongzhen No. 6" rootstock has 2 cotyledons and 1 core. After grafting, the watermelon is easy to take root in the rootstock stem or cause the rootstock stem to split, and the survival rate is only about 70%.

At present, there is no supporting grafting method for grafting watermelons using "Yongzhen No. 6" as a rootstock to solve the problem of low grafting survival rate, which affects the popularization and application of "Yongzhen No. 6" rootstock