Diversity konjaku and corn planting method capable of controlling soft rot of konjaku

A variety and soft rot technology, applied in the field of prevention and control of konjac soft rot, can solve the problems of no planting model proposed, soft rot control has not achieved ideal results, and the internal mechanism has not been clarified.

Inactive Publication Date: 2005-04-27
云南农业大学农业科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

However, neither traditional planting nor previous preliminary investigations have conducted systematic and in-depth research on the control of konjac soft rot by corn / konjac intercropping, nor have they proposed the best planting model, and have not achieved ideal results for the control of soft rot , but did not elucidate its internal mechanism

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] In the comparative experiment in the same field, 3 treatments were set: A was pure corn, B was pure konjac, A / B was 1 row of corn intercropping and 1 row of konjac, and the row distance between konjac and corn was 50 cm. The incidence of konjac soft rot was investigated, and the relative control effect was analyzed. The results are shown in Table 1.

[0011] Table 1 Konjac / corn intercropping control of konjac soft rot

[0012] Treatment Number of investigated plants Diseased plants Incidence rate (%) Relative control effect (%)

[0013] A / B 64 2 3.13 81.61

[0014] B 141 24 17.02

[0015] A - - -

[0016] It can be seen from the above table that the relative control effect of konjac / corn intercropping on konjac soft rot reaches 81.61%.

Embodiment 2

[0018] In the comparative experiment in the same field, 3 treatments were set up: A was pure corn, B was pure konjac, A / B was 1 row of corn intercropping and 5 rows of konjac, and the row spacing was 40cm. The relative control effect analysis showed that the relative control effect of konjac / corn intercropping on konjac soft rot reached 85.32%. The results are shown in Table 2.

[0019] Table 2 Konjac / corn intercropping control of konjac soft rot

[0020] Treatment Number of investigated plants Diseased plants Incidence rate (%) Relative control effect (%)

[0021] A / B 76 8 10.53

[0022] 85.32

[0023] B 230 165 71.74

[0024] A - - -

Embodiment 3

[0026] In the comparative experiment in the same field, 3 treatments were set: A was pure corn, B was pure konjac, A / B was 10 rows of corn intercropping and 1 row of konjac, and the row spacing was 70cm. The relative control effect analysis showed that the relative control effect of konjac / corn intercropping on konjac soft rot reached 90.68%. The results are shown in Table 3.

[0027] Table 3 Konjac / corn intercropping control of konjac soft rot

[0028] Treatment Number of investigated plants Diseased plants Incidence rate (%) Relative control effect (%)

[0029] A / B 200 9 4.50

[0030] 90.68

[0031] B 431 208 48.26

[0032] A - - -

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Abstract

The present invention is diversity konjaku and corn planting method to control diseases and pests, and belongs to the field of plant protection technology. The scheme of the present invention keeps available konjaku and corn planting mode, planting density, etc. and features that in the same field, 1-10 rows of corn and 1-5 rows of konjaku are planted alternately, and the row spacing between konjaku and corn is 31-70 cm. The method of the present invention can reduce soft rot of konjaku, reduce pesticide consumption, and raise the yield and quality of konjaku.

Description

Technical field: [0001] The invention relates to a method for preventing and treating konjac soft rot, which belongs to the field of plant protection. Background technique: [0002] Konjac is a medical and health food with great development potential. Konjac soft rot is an important disease in the taro area. The incidence rate of general field plots is 8-12%, and the incidence rate of severely diseased plots is more than 40%. It often causes heavy losses, seriously affects the yield and quality of konjac, and restricts the development of konjac production. [0003] Previous studies and literature data show that so far the control of konjac soft rot is still based on the use of chemical pesticides. However, chemical control not only has high cost and poor control effect, but also pollutes the environment and affects the quality. The long-term large-scale planting of a single species and the extensive use of pesticides and chemical fertilizers have made the farmland ecosyste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/00
Inventor 朱有勇周惠萍彭磊王云月房辉何霞红李炎李作森蔡红
Owner 云南农业大学农业科技有限公司
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