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Plants and seeds of corn variety cv655219

a technology of corn and seeds, applied in the field of corn breeding, can solve the problems of hybrid plants that differ genetically, are not uniform, and perform unpredictable, and achieve the effect of improving yield and yield

Active Publication Date: 2019-12-05
MONSANTO TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a new corn variety designated CV655219, which has specific physical and biological characteristics. This invention also includes a population of inbred corn plants that have the same physical and biological characteristics as the original variety. The invention also provides a composition of seeds from this new variety and a method for introducing heritable traits or genetic modifications into the variety. The new variety can be pollinated by a maintainer version of the same variety or by a restorer version of the same variety, which has normal cytoplasm but lacks the restorer gene(s) in the nucleus. The invention allows for the creation of new hybrid seeds that have specific physical and biological characteristics, and can be pollinated by a maintainer or restorer version of the same variety.

Problems solved by technology

Conversely, a cross of two plants each heterozygous at a number of loci produces a population of hybrid plants that differ genetically and are not uniform.
The resulting non-uniformity makes performance unpredictable.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

Definitions of Plant Characteristics

[0024]Barren Plants: Plants that are barren, i.e., lack an ear with grain, or have an ear with only a few scattered kernels.

[0025]Cg: Colletotrichum graminicola rating. The rating multiplied by 10 is approximately equal to percent total plant infection.

[0026]CLN: Corn Lethal Necrosis (combination of Maize Chlorotic Mottle Virus and Maize Dwarf Mosaic virus) rating. A numerical rating that is based on a 1 to 9 scale of severity in which “1” indicates “most resistant” and “9” indicates “most susceptible.”

[0027]Cn: Corynebacterium nebraskense rating. The rating multiplied by 10 is approximately equal to percent total plant infection.

[0028]Cz: Cercospora zeae-maydis rating. The rating multiplied by 10 is approximately equal to percent total plant infection.

[0029]Dgg: Diatraea grandiosella girdling rating. A rating in which the value equals percent plants girdled and stalk lodged.

[0030]Dropped Ears: Ears that have fallen from the plant to the ground.

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PUM

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Abstract

According to the invention, there is provided seed and plants of the corn variety designated CV655219. The invention thus relates to the plants, seeds and tissue cultures of the variety CV655219, and to methods for producing a corn plant produced by crossing a corn plant of variety CV655219 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV655219 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV655219.

Description

BACKGROUND OF THE INVENTIONField of the Invention[0001]The present invention relates generally to the field of corn breeding. In particular, the invention relates to corn seed and plants of the variety designated CV655219, and derivatives and tissue cultures thereof.Description of Related Art[0002]The goal of field crop breeding is to combine various desirable traits in a single variety / hybrid. Such desirable traits include greater yield, better stalks, better roots, resistance to insecticides, herbicides, pests, and disease, tolerance to heat and drought, reduced time to crop maturity, better agronomic quality, higher nutritional value, and uniformity in germination times, stand establishment, growth rate, maturity, and fruit size.[0003]Breeding techniques take advantage of a plant's method of pollination. There are two general methods of pollination: a plant self-pollinates if pollen from one flower is transferred to the same or another flower of the same plant. A plant cross-poll...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01H6/46A01H5/10A01H1/04A01H4/00
CPCA01H5/10A01H6/4684A01H4/008A01H1/04
Inventor POPI, JON
Owner MONSANTO TECH LLC
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