Seed selection method of E. urophylla*E. Grandis clone DH30-1

Abstract

The invention discloses a seed selection method of E. urophylla*E. Grandis clone DH30-1. The method comprises the following steps: firstly, a female parent Eucalyptus urophylla U16 and a male parent Eucalyptus grandis G22 are taken as parents, and subjected to castration, bagging, pollen collection, artificial pollination, bag removing, seed collecting, seeding and seed selection to obtain the E. urophylla*E. Grandis clone DH30-1 with consistent characters, stable inheritance and not subjected to character segregation. The E. urophylla*E. Grandis clone DH30-1 has the characteristics of fast growth, high yield, short rotation (industrial fiber material is adopted), straight stem form, small branches, neat forest phase, good material property, straight texture, good barrenness resistance, and capability of being suitable for being planted in large-area regions.

Description

technical field [0001] The invention relates to the field of plant breeding, in particular to a breeding method for the clone DH30-1 variety of Eucalyptus urophylla. Background technique [0002] At present, there are many eucalyptus species in my country, such as Eucalyptus urophylla, Eucalyptus grandis, Eucalyptus blue, Eucalyptus durnen, Eucalyptus durn, etc., which can produce a variety of industrial woods; China has entered an ecological society, and the sustainable development strategy has become more and more popular in the world. The more countries and the public pay attention to and recognize it, the sustainable development strategy of my country's forestry is also guiding the development of modern forestry in countries around the world. However, due to the influence of eucalyptus species, although many species of eucalyptus in my country have strong growth ability, due to the short felling cycle, Even though the regeneration ability of eucalyptus is strong, many euca...

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Problems solved by technology

[0002] At present, there are many eucalyptus species in my country, such as Eucalyptus urophylla, Eucalyptus grandis, Eucalyptus blue, Eucalyptus durnen, Eucalyptus durn, etc., which can produce a variety of industrial woods; China has entered an ecological society, and the sustainable development strategy has become more and more popular in the world. The more countries and the public pay attention to and recognize it, the sustainable development strategy of my country's forestry is also guiding the development of modern forestry in countries around the world. However, due to the influence of eucalyptus species, although many species of eucalyptus in my country have strong growth ability, due to the short felling cycle, Even though the regeneration ability of eucalyptus is strong, many eucalyptus planting areas are not green enough and soil erosion is serious due to successive years of felling and planting rotation.

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