Environment-friendly method for preventing corn female ear bags from falling off

An environmentally friendly, ear-based technology, applied in the field of agricultural crop genetics and breeding, can solve the problems of heavy self-crossing and test crossing workload, short corn flowering period, time-consuming and labor-intensive, etc., to reduce labor costs, improve work efficiency, and simplify bagging Process effect

Active Publication Date: 2016-06-29
INST OF TOBACCO ANHUI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is time-consuming and labor-intensive in actual use, and at the same time as the high cost of large-scale manual labor, there are injuries caused by the natural fall of the pins and the fall of the manual operation (including the next stubble injury caused by the residual soil of the pins), corn The floweri

Method used

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  • Environment-friendly method for preventing corn female ear bags from falling off
  • Environment-friendly method for preventing corn female ear bags from falling off
  • Environment-friendly method for preventing corn female ear bags from falling off

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Anhui Provincial Academy of Agricultural Sciences Tobacco Research Institute / Corn Research Center breeding team tested the method of the present invention in Funan County Corn Breeding Base of Anhui Province in 2010. figure 1 As shown, at the position where the leaf on the cob is 6-14cm away from the leaf sheath of the stalk, make an angle of about 45 degrees along the horizontal direction of the leaf surface, and then put the parchment bag (18cm×11cm) into the leaf on the cob and the ear as a whole, and insert the sheath and the stalk Adhesive can be. As a preferred solution, the mouth of the parchment bag on one side of the stalk is preferably 5.0 cm from the joint between the leaf sheath and the stalk.

[0023] As a preferred solution, the parchment bag is made of two rectangular parchment papers that are bonded to each other at the edges to form a bag body. One of the parchment papers has a length of 18cm and a width of 11cm, and the other has a length of 13cm and a...

Embodiment 2

[0031] The breeding team of Tobacco Research Institute / Corn Research Center of Anhui Academy of Agricultural Sciences carried out experimental verification on the method of the present invention at the Corn Breeding Base of Funan County, Anhui Province from 2010 to 2015. Treatment A adopts the bagging method of the present invention, and Treatment B is natural pollination. Interbred line (CK); treatment C is to use a pin to puncture the parchment bag and ear bracts to fix the ear bag after removing the stick leaves. Refer to Table 2 through multiple comparative analysis. After removing the stick leaves, use a pin to puncture the parchment bag and the ear bracts to fix the ear bag significantly affect the 100-grain weight of the inbred line. There was no significant difference between the breeding bagging method with a 45-degree fold angle in the horizontal direction of the leaf surface and the 100-grain weight of the natural pollination (CK) inbred line, indicating that this me...

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Abstract

The invention discloses an environment-friendly method for preventing corn female ear bags from falling off. The method is characterized by including the following steps that when female ears expand and before filaments are exposed out of bracts, 45-degree angles are formed through bending in the horizontal direction of leaf surfaces and at the positions, 10 cm away from leaf sheaths of stalks, of corn cob position leaves, and sheep skin paper bags 18 cm in length and 11 cm in width are wholly put in the corn cob position leaves and the female ears in a sleeving mode and embedded into the bonding positions of the leaf sheaths and the stalks. According to the method, the 45-degree angles are formed through bending in the horizontal direction of the leaf surfaces and at the positions, 10 cm away from the leaf sheaths of the stalks, of the corn cob position leaves, then the sheep skin paper bags are wholly put in the corn cob position leaves and the female ears in the sleeving mode, the sheep skin paper bags are supported through the corn cob position leaves, the bags are fixed by themselves in the mode that the female ears and the bent portions of the corn cob position leaves naturally grow to form expansion resistance with the sheep skin paper bags, the problem that the bags fall off in the bagging period is solved, and the influence of reduction, caused by breaking of the corn cob position leaves, of the selfing line hundred-grain weight is avoided.

Description

Technical field: [0001] The invention relates to a bagging method for ear ears of inbred lines in the corn breeding process, and belongs to the technical field of agricultural crop genetics and breeding. Background technique: [0002] Bagging pollination is an arduous and hard work in maize breeding. Corn is a monoecious plant with different flowers. In the process of corn breeding, the method of artificial bagging and pollination is often used for each corn inbred germplasm to isolate the mixing of foreign pollen. If the bag is not tight or the bag is not tightly packed, it will be skewed and the bag will be dropped. The falling of the paper bag will cause the filament to be exposed to the air and form a runaway silk. This plant will become an invalid ear. Corn bagging and pollination technology is the most basic field operation technology in the breeding process. It runs through the whole process of corn breeding. Using correct and effective bagging operation technical re...

Claims

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Application Information

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IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 钱益亮左晓龙阮龙王俊齐耀程张玮
Owner INST OF TOBACCO ANHUI ACADEMY OF AGRI SCI
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