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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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  • Summary
  • Abstract
  • Description
  • Claims
  • 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. The method of using cassava, especially the method of grafting cassava with its twig buds, has not been reported yet.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: Grafting between the same family, the same genus, and different species. The twigs and buds of wild cassava were used as scions, and the stems of the excellent cassava variety GR891 were used as rootstocks. First, the cassava varieties used as rootstocks were planted at a row spacing of 150cm×150cm, with a 667m 2 Plant 300 plants. Through the growth of 1-2 months, after cassava plant stalk thickness reaches about 2cm, use above-mentioned branch grafting method or bud grafting method grafting again. When harvesting, the average yield of new cassava plants can reach more than 4000kg per mu, the maximum yield can reach 9000kg, and the yield per mu can be increased by 2000-4000kg, and the yield increase rate can be 100-200%. Compared with conventional planting, there are 500-700 fewer plants per mu, and the benefits are very significant. The specific planting data are shown in Table 1:

[0031] Table 1

[0032] Numbering

Embodiment 2

[0033] Embodiment 2: Grafting between the same family, the same genus, the same species, and different varieties. Huanan 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 with high starch content and low yield (1300kg per mu, starch content 30.8%) was used as scion. For rootstock, the cassava varieties used as rootstock are first planted according to the row spacing of 90cm×90cm, 667m 2 Plant 800 plants. After 1-2 months of growth, the thickness of cassava plant stems reaches about 2cm, and then the above-mentioned branch grafting or bud grafting methods are used for grafting. When harvesting, the yield per mu of new cassava plants can maintain the output of Huanan 124. The yield per mu is 3000-2560kg, which is 1704-1268kg higher than that of Thailand No. 2, and the starch content reaches 30.8% of that of Thailand No. 2, which is 6.8 percentage points higher than that of Huana...

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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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