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Rice variety evaluation method suitable for rice and livestock planting and breeding circulation mode

A technology of cycle mode and evaluation method, applied in the field of agriculture, can solve problems such as selection of varieties unsuitable for new models, and achieve the effects of improving rice planting efficiency, improving growth status, and improving experimental accuracy

Pending Publication Date: 2022-07-22
CROP INST SICHUAN PROVINCE ACAD OF AGRI SCI +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a rice variety evaluation method suitable for the cycle mode of rice breeding and livestock breeding, which can comprehensively consider the yield and quality of first-season silage and second-season rice, realize double-quality and double-rich rice feeding, and improve the quality of rice varieties. It solves the problem that the traditional variety selection method only considers the high yield and stable yield of mid-season rice, and is not suitable for the selection of new model varieties.

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  • Rice variety evaluation method suitable for rice and livestock planting and breeding circulation mode

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Effect test

Embodiment 1

[0028] A method for evaluating a rice variety suitable for a rice and animal breeding cycle mode, comprising the following steps:

[0029] S1. Sowing and planting: the tested varieties are planted in different plots, the planting density is 30*12cm, the ratio of basal fertilizer, tiller fertilizer and ear fertilizer is 3:3:4, and the rest of the fields are produced in the same way; the plots are experimental fields with The unit is divided into mu, and the test field is numbered by the plot; by increasing the planting density of the tested varieties and providing sufficient fertilizer, it can be beneficial to the growth of the tested varieties, and avoid the influence of the soil fertility on the experimental accuracy;

[0030] S2. Silage harvesting: Use bud-promoting fertilizer in each plot after full harvest, 5KG nitrogen fertilizer and 3KG potassium fertilizer per acre, and harvest after ten days; by applying bud-promoting fertilizer and supplemented by nitrogen fertilizer a...

Embodiment 2

[0038] A method for evaluating a rice variety suitable for a rice and animal breeding cycle mode, comprising the following steps:

[0039] S1. Sowing and planting: the tested varieties are planted in different plots, the planting density is 30*14cm, the ratio of basal fertilizer, tiller fertilizer and ear fertilizer is 3:3:4, and the rest of the fields are produced in the same way; the plots are experimental fields with The unit is divided into mu, and the test field is numbered by the plot; by increasing the planting density of the tested varieties and providing sufficient fertilizer, it can be beneficial to the growth of the tested varieties, and avoid the influence of the soil fertility on the experimental accuracy;

[0040] S2. Silage harvesting: Use bud-promoting fertilizer in each plot after full harvest, 5KG nitrogen fertilizer and 3KG potassium fertilizer per acre, and harvest after ten days; by applying bud-promoting fertilizer and supplemented by nitrogen fertilizer a...

Embodiment 3

[0048] A method for evaluating a rice variety suitable for a rice and animal breeding cycle mode, comprising the following steps:

[0049]S1. Sowing and planting: the test varieties are planted in different plots, the planting density is 30*13cm, the ratio of basal fertilizer, tiller fertilizer and ear fertilizer is 3:3:4, and the rest of the fields are produced in the same way; the plots are experimental fields with Mu is the unit of division, and the experimental field is numbered by the plot; by increasing the planting density of the tested varieties and providing sufficient fertilizer, it can be beneficial to the growth of the tested varieties and avoid the influence of the soil fertility on the experimental accuracy;

[0050] S2. Silage harvesting: Use bud-promoting fertilizer in each plot after full harvest, 5KG nitrogen fertilizer and 3KG potassium fertilizer per acre, and harvest after ten days; by applying bud-promoting fertilizer and supplemented by nitrogen fertilize...

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Abstract

The invention discloses a rice variety evaluation method suitable for a rice and livestock planting and breeding circulation mode, which comprises the following steps: S1, sowing and planting: planting tested varieties in small areas with the planting density of 30 * 12cm-30 * 14cm, the ratio of base fertilizer to tillering fertilizer to panicle fertilizer is 3: 3: 4, and other fields are produced in the same way; s2, silage harvesting: after full heading, applying a bud promoting fertilizer in small areas, applying 5KG of a nitrogen fertilizer and 3KG of a potassium fertilizer per mu, and harvesting after ten days; s3, stubble reserving: harvesting, wherein the stubble reserving height is 15-25 cm, and 5 KG of nitrogen fertilizer and 3 KG of potash fertilizer are applied per mu during rehydration after harvesting; by comparing the yield and the quality of the first-season silage forage grass of various test varieties, better livestock forage grass can be screened out, the regeneration-season seedling emergence condition and full heading condition of the various test varieties are compared with the quality and the yield of rice, the regeneration-season test variety with the best growth state can be screened out, and then the quality and the yield of the forage grass and the rice are synthesized, so that the breeding quality and the breeding quality are improved. Therefore, double-excellent and double-abundant rice feeding is realized, and the rice planting benefit is improved.

Description

technical field [0001] The invention relates to the technical field of agriculture, in particular to a rice variety evaluation method suitable for a rice and livestock breeding cycle mode. Background technique [0002] Background Art: Rice is the main food crop in Sichuan Province. The rice planting system is mainly based on one-season mid-season rice. The traditional one-season mid-way rice variety selection mainly focuses on high yield, lodging resistance, and resistance to diseases and insect pests. [0003] Defects and deficiencies of the prior art: Under the rice-animal breeding cycle mode, there is no risk of lodging when the first season straw is harvested as silage within 15 days after full harvest, and the demand for rice varieties is different. The high yield and stable yield of mid-season rice are considered, and it is not suitable for the selection of new models. SUMMARY OF THE INVENTION [0004] (1) Technical problems solved [0005] In view of the deficienc...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N5/00
CPCG01N33/0098G01N5/00
Inventor 朱从桦李旭毅欧阳裕元杨春桃李冠良吕程刘忠义吴兵廖宇鹏唐家川吕宗良王来泉王越
Owner CROP INST SICHUAN PROVINCE ACAD OF AGRI SCI