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Grafting method for improving productivity of root systems of coffee tree saplings

A productivity and coffee technology, applied in grafting, horticultural methods, botanical equipment and methods, etc., can solve the problems of easy aging, yield decline, high incidence of disease, etc., and achieve strong adaptability to adversity, increase plant root system, and obvious growth advantages Effect

Active Publication Date: 2019-03-12
SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Coffee varieties can be divided into medium-grained, small-grained and large-grained varieties. At present, medium-grained and small-grained coffees are mainly planted in the world. However, because the middle-grained coffees in the main varieties are perennial economic crops, there are generally weak growth after continuous cropping cultivation. , easy aging, high morbidity, obvious decline in yield, low survival rate of replanting, continuous cropping obstacles have gradually become prominent problems restricting the healthy and sustainable development of my country's coffee industry

Method used

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  • Grafting method for improving productivity of root systems of coffee tree saplings
  • Grafting method for improving productivity of root systems of coffee tree saplings
  • Grafting method for improving productivity of root systems of coffee tree saplings

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Embodiment approach

[0033] From April to May of each year, 1 medium-grain coffee plant of 2 to 3 months old and 1 large-grain coffee plant of 3 to 4 months old are joined to form double-rooted double-eared seedlings. The specific methods include separate cultivation on sand beds. Seedlings of seedlings and large seedlings. Large seedlings are divided into two seedlings which are sown 1 month and 2 months earlier than medium seedlings. One medium seedling plant of 2~3 months old and one plant 3~4 are taken from the sand bed. For month-old large-grain seeds, make a 1.8-2.2cm cut lengthwise in the middle of the stems of the medium-grain seeds and large-grain seeds, and cut deep to the xylem. Mix the mixture with NAA and 2,4-D at a concentration of 10 mg / L. Apply a wet cotton swab to the incision, align the cambium of the two incisions, tie the plastic strap tightly, plant it back into the sand bed, pour enough root water, and untie it after 15-25 days.

[0034] In the opposite direction of the interfac...

Embodiment 1

[0038] The present invention aims at the problems of low root quantity and low root vitality in coffee production, which seriously affects plant water and fertilizer absorption, and ultimately leads to low root productivity, and proposes a grafting method for improving the root productivity of coffee seedlings. The invention includes the selection of suitable coffee varieties (butting materials) and their configuration, seedling growth and seedling age, docking period and times, formulas for promoting joint healing, formulas for promoting rooting, excess roots and spike trimming time, anvils and Spike and untie the order. Through reasonable grafting methods, the purpose of improving the vigor of coffee root system, increasing root system quantity and increasing root system productivity is achieved. The implementation is as follows:

[0039] In April of each year, a two-month-old medium-grain coffee plant and a 3-month-old large-grain coffee plant are joined to form double-rooted...

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Abstract

The invention relates to the technical field of grafting, in particular to a grafting method for improving the productivity of root systems of coffee tree saplings. The grafting method comprises the following steps that medium-grain-seed coffee tree seedlings and large-grain-seed coffee tree seedlings are inarched, and after first joints heal, double-root double-spike inarched seedlings are obtained; each double-root double-spike inarched seedling and another large-grain-seed coffee tree seedling are inarched, and after second joints heal, three-root three-spike inarched seedlings are obtained; spikes of the inarched large-grain-seed coffee tree seedlings are removed; after 2-4 days, root systems of the medium-grain-seed coffee tree seedlings are removed, and after 2-4 days, unbinding is executed to obtain double-stock inarched seedlings are obtained. By selecting appropriate coffee tree varieties and various variety configurations, including the growth vigor, ages, inarching periods and times of seedlings, joint healing and rooting are promoted, the grafting method makes excessive root and spike pruning times, stock retaining, spike retaining, unbinding sequence and the like reasonable and achieves the purposes of making the survival rate of inarching high, improving vigor of coffee tree root systems, increasing the amount of root systems and improving the productivity of theroot systems.

Description

Technical field [0001] The invention relates to the technical field of grafting, in particular to a grafting method for improving the root productivity of coffee seedlings. Background technique [0002] Coffee is one of the world's three major beverage crops, and it is the top commodity product in international trade. The coffee planting area in my country is more than 2 million mu, and with the continuous increase of domestic and foreign consumer demand, the planting area has increased significantly. The coffee industry has become one of the advantageous industries of tropical cash crops in my country. [0003] Coffee varieties are divided into medium-grain, small-grain and large-grain seeds. At present, medium-grain and small-grain seeds are mainly planted in the world. However, since the main varieties of medium-grain seeds are perennial cash crops, they generally have weak growth after continuous cultivation. , Prone to aging, high morbidity, significant decline in output, low ...

Claims

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Application Information

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IPC IPC(8): A01G2/30A01G7/06
CPCA01G2/30A01G7/06
Inventor 孙燕董云萍林兴军龙宇宙谭军闫林黄丽芳王晓阳陈鹏
Owner SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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