A grafting method for improving root productivity of coffee seedlings

A productivity and coffee technology, applied in grafting, horticultural methods, botanical equipment and methods, etc., can solve the problems of low survival rate, high morbidity rate, and yield decline of new replanting, and achieve high survival rate and increase root system. Productivity, the effect of increasing root volume

Active Publication Date: 2021-12-14
SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • 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

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  • A grafting method for improving root productivity of coffee seedlings
  • A grafting method for improving root productivity of coffee seedlings
  • A grafting method for improving root productivity of coffee seedlings

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Embodiment approach

[0033] From April to May each year, a 2- to 3-month-old medium-grained coffee plant and a 3-4-month-old large-grained coffee plant are grafted to form double-rooted and double-eared seedlings. The specific method includes separate cultivation in sand beds Seedlings of seedlings and large seedlings, large seedlings are divided into 2 seedlings sown 1 month and 2 months earlier than medium seedlings, take a 2-3-month-old medium-grain seed and a 3-4-month-old seedling in the sand bed For month-old large-grained species, a 1.8-2.2cm-long incision is made longitudinally in the middle of the stem of the medium-grained and large-grained species, and the incision reaches the xylem. Apply a wet cotton swab to the incision, align the cambium of the two incisions, tighten the plastic straps, plant them back on the sand bed, pour enough root-fixing water, and untie them after 15 to 25 days.

[0034] In the opposite direction to the interface, connect a 3-4 month-old large-grained seed. Th...

Embodiment 1

[0038] Aiming at the problems of low coffee root system quantity and low root system activity seriously affecting the water and fertilizer absorption of plants in production, which eventually lead to low root system productivity, the present invention proposes a grafting method for improving root system productivity of coffee seedlings. The present invention includes selection of suitable coffee varieties (docking materials) and configurations of various varieties, seedling growth and seedling age, docking period and times, formula for promoting interface healing, formula for promoting rooting, time for pruning redundant roots and ears, keeping anvils and keeping Spike and untie sequence. Through a reasonable grafting method, the purpose of improving the vitality of the coffee root system, increasing the amount of the root system, and improving the productivity of the root system is achieved. The implementation is as follows:

[0039] In April every year, a 2-month-old medium...

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Abstract

The invention relates to the technical field of grafting, in particular to a grafting method for improving root system productivity of coffee seedlings. The grafting method comprises the following steps: abutting the seedlings of medium-grained coffee and the seedlings of large-grained coffee, and obtaining double-rooted and double-eared seedlings after the first interface is healed; The seedlings of the large-grained coffee are docked, and after the second joint is healed, three three-eared seedlings are obtained; the ears of the large-grained coffee are removed from the grafted seedlings; the root system of the medium-grained coffee is removed after 2 to 4 days, and the root system is removed after 2 to 4 days. Tie, get double anvils and lean on the seedlings. The present invention selects suitable coffee varieties and various configurations, seedling growth and seedling age, docking period and times, formula for promoting interface healing, formula for promoting rooting, time for pruning redundant roots and ears, keeping stock, keeping ears and untying sequence And other reasonable grafting methods to achieve the purpose of high grafting survival rate, improving coffee root activity, increasing root volume, and improving root productivity.

Description

technical field [0001] The invention relates to the technical field of grafting, in particular to a grafting method for improving root system productivity of coffee seedlings. Background technique [0002] Coffee is one of the three major beverage crops in the world and the top bulk products in international trade. my country's coffee planting area 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 dominant industries of tropical economic crops in my country. [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, weak growth is common after continuous cropping cultivation. , easy aging, high morbidity, obvious ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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