Cultivating method for promoting cassava production

A cultivation method and high-yield technology, applied in botany equipment and methods, horticulture, application, etc., to achieve the effects of easy mastery, increased cassava yield, and easy grafting

Inactive Publication Date: 2008-01-16
广西亚热带作物研究所
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is a cultivation method for increasing the yield of cassava by using a grafting method.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] Example 1: Grafting between the same family, the same genus, and different species. The shoots and buds of wild cassava are used as scion, and the stalk of the excellent cassava variety GR891 is used as the rootstock. The cassava variety used as the rootstock is first planted with a row spacing of 150cm×150cm, 667m 2 Plant 300 plants. After 1-2 months of growth, the stalk of the cassava plant is about 2 cm thick, and then grafted by the above-mentioned grafting method or bud grafting method. At harvest, the average yield per mu of new cassava plants can reach more than 4000 kg, the highest yield can reach 9000 kg, the yield per mu can be increased by 2000-4000 kg, and the yield increase rate is 100-200%. Compared with conventional planting, each mu reduces 500-700 plants, and the benefit is very significant. The specific planting data is shown in Table 1:

[0031] Table 1

[0032] serial number

Example Embodiment

[0033] Example 2: Grafting between the same family, the same genus, the same species, and different varieties. South China 124 with high yield and low starch content (2500kg per mu, starch content 24%) was used as scion, and the new cassava variety Thailand No. 2 MR36-34-1 (1300kg per mu, starch content 30.8%) with high starch content and low yield was used as scion. Rootstock, first plant the cassava varieties as the rootstock at 90cm×90cm row spacing, 667m 2 Plant 800 plants. After 1-2 months of growth, the stalk thickness of the cassava plant is about 2cm, and then grafted by the above-mentioned grafting method or bud grafting method respectively. When harvesting, the yield of the new cassava plant per mu can maintain the yield of South China 124. The yield per mu is 3000-2560kg, which is an increase of 1704-1268kg compared with Thailand No.2, and its starch content reaches 30.8% of the starch content of Thailand No.2, which is 6.8% higher than the starch content of South China...

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Abstract

The invention relates to a cultivation method for the improvement of cassava production, in which the grafting techniques of whip grafting and budding are used. The wild cassava twig or bud is taken as a scion and the stalk of cassava cultivar is taken as a parental stock for the implementation of the grafting between the same family, the same genre or different varieties. With the new cassava plant formed after the grafting, the cassava production can be substantially improved, which is increased by 2000 to 4000kg than the varieties without grafting, and the increasing rate is up to 100 to 200%. Or the twig or bud of high-volume low starch content cassava varieties is taken as the scion, and the twig or bud of low-volume high starch content cassava varieties is taken as a parental stock for the implementation of the grafting between the same family, the same genre or different varieties. Thus a new cassava plant is formed, in which the cassava product not only can be in the maintenance of the starch content quality of the cassava varieties as the parental stock , but also the production volume can be substantially improved to the volume of the cassava varieties as the scion. The cultivation method of the invention can be promoted and applied in the cassava planting, which is also suitable for the grafting of flexible hollow plants such as castor-oil plant, jatropha curcas, papaya and so on.

Description

technical field [0001] The invention relates to a cultivation method of crops, in particular to a grafting cultivation method of crops. Background technique [0002] There are more than 150 species of cassava (Manihat spp), including cultivated species and wild species, among which cassava (Manihat esculenta Crantz) is the only species used for economic cultivation, and it is the only cassava species that can harvest products in production planting; Cassava is an original wild species. The wild plant grows vigorously with large internode spacing; the stems and leaves are thick and reasonably distributed; The germination rate is low, and the germination rate is much lower than that of cultivated species, and the root yield is also very low. It is not directly used in production, but only used for disease resistance breeding and quality breeding of cassava. [0003] At present, the commonly used cultivation methods to increase cassava production in production are: planting h...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G1/06
Inventor 陈显双田益农黄强李军马崇熙
Owner 广西亚热带作物研究所
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