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A kind of cultivation method for improving cassava flowering

A cultivation method, cassava technology, applied in the field of crop cultivation, can solve the problem of lack of cassava varieties, and achieve the effects of promoting more flowering, controlling plant shape, preserving flower color and improving flowering period

Active Publication Date: 2022-05-20
SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the varieties of cassava planted in Guangxi are imported from abroad and Hainan, and there are no cassava varieties that have been sexually hybridized in Guangxi.

Method used

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  • A kind of cultivation method for improving cassava flowering
  • A kind of cultivation method for improving cassava flowering
  • A kind of cultivation method for improving cassava flowering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A cultivation method for improving cassava flowering, comprising the following steps:

[0038] (1) Site selection: choose a hillside with general soil fertility, the organic matter content of the hillside soil is controlled at 2-3%, the slope is controlled at 25-30°, and cassava planting can be carried out in places with sufficient sunlight and not easily attacked by typhoons;

[0039] (2) Soil preparation: When preparing the land, first remove the weeds on the ground, and then use a tractor to rake them to pieces. After leveling, manually excavate the planting pits, and the depth of the pits is about 20-25cm. The land preparation is a shallow cultivated land to prevent the cassava roots from absorbing nutrients too quickly and causing the aboveground parts to grow too vigorously.

[0040] (3) Variety selection: Four cassava varieties (Nanya 1, Xinxuan 048, Huanan 9 and Nanzhi 199) were selected and planted in plots A, B, C, and D respectively.

[0041] (4) Planting: P...

Embodiment 2

[0059] A cultivation method for improving cassava flowering, comprising the following steps:

[0060] (1) Site selection: In the Chongzuo mountainous area, choose a hillside with average soil fertility. The organic matter content of the hillside soil is controlled at 2-3%, and the slope is controlled at 25-30°. Cassava can be grown in places with sufficient sunlight and less vulnerable to typhoons. planting;

[0061] (2) Soil preparation: When preparing the land, first remove the weeds on the ground, and then use a tractor to rake them to pieces. After leveling, manually excavate the planting pits, and the depth of the pits is about 20-25cm. The land preparation is a shallow cultivated land to prevent the cassava roots from absorbing nutrients too quickly and causing the aboveground parts to grow too vigorously.

[0062] (3) Variety selection: Four varieties (lines) of cassava were selected as Nanya 1, Xinxuan 048, Huanan 9 and Nanzhi 199, and were planted in 4 plots respecti...

Embodiment 3

[0080] A cultivation method for improving cassava flowering, comprising the following steps:

[0081] (1) Site selection: choose a hillside with general soil fertility, the organic matter content of the hillside soil is controlled at 2-3%, the slope is controlled at 25-30°, and cassava planting can be carried out in places with sufficient sunlight and not easily attacked by typhoons;

[0082] (2) Soil preparation: When preparing the land, first remove the weeds on the ground, and then use a tractor to rake them to pieces. After leveling, manually excavate the planting pits, and the depth of the pits is about 20-25cm. The land preparation is a shallow cultivated land to prevent the cassava roots from absorbing nutrients too quickly and causing the aboveground parts to grow too vigorously.

[0083] (3) Variety selection: Four varieties (lines) of cassava were selected as Nanya 1, Xinxuan 048, Huanan 9 and Nanzhi 199, and were planted in 4 plots respectively.

[0084] (4) Planti...

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Abstract

The invention discloses a cultivation method for improving flowering of cassava, which comprises the steps of site selection, site preparation, variety selection, planting, field management, control of seedling dwarfing, regulation of flowering period, flower preservation and the like. The present invention adjusts cassava nitrogen, phosphorus, and potassium nutrients through artificial agronomic measures and chemical control methods, inhibits excessive growth of aboveground parts, and promotes cassava from vegetative growth to reproductive growth, thereby promoting its flowering, and then through natural pollination or artificial pollination. Ways to obtain cassava hybrid seeds. The invention has strong practicability and good controllability, effectively solves the problem of difficult flowering in cassava planting areas in Guangxi, and provides a basis for developing new varieties of cassava in the future.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a cultivation method for improving cassava flowering. Background technique [0002] Cassava (scientific name: Manihot esculenta Crantz) is a cassava plant in the Euphorbiaceae family. It is one of the three largest potato crops in the world. It is a non-grain biomass energy crop. One of the raw materials for processing fuel ethanol, it is mainly used for the development and utilization of grain, feed and industrial alcohol, and has extremely high economic value. Guangxi is the largest cassava planting area in the country, accounting for more than 60% of the country's planting area. [0003] At this stage, China's cassava cultivars are relatively single, and the main cultivar is Huanan 205. Due to long-term planting, serious species degradation and low yield have become problems to be solved urgently in Guangxi cassava industry. Cassava artificial hybrid br...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/25A01G7/06A01C21/00C05G5/20C05G1/00
CPCA01G22/25A01G7/06A01C21/005C05B7/00C05G5/20C05C1/00C05C5/02C05C11/00C05D1/02C05D5/00C05D9/02
Inventor 黎萍刘连军李恒锐梁振华杨海霞黄珍玲郭素云陈会鲜黄小娟朱涵钰张秀芬马仙花
Owner SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI
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