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Haploid-Induction in CRISPR Susceptible Plants

Researchers at the University of California, Davis have developed a method to produce haploid progeny plants from transgenic and wild-type plants that only carry chromosomes from the wild-type gamete.

Propagation of Sexual Crops with Fixed Hybrid Vigor

Researchers at the University of California, Davis have developed a method to propagate hybrid crops through seeds that allow for the fixation of hybrid vigor.

Inducible N-Degron Mediated Haploid Induction

Researchers at the University of California, Davis have developed a method of cell-specific degradation of centromeric proteins to induce haploid.

ABSTRACT: Buffalograss Plant Named ‘UCD-95’

Brief description not available

ABSTRACT: Avocado Tree Named "Harvest"

Brief description not available

ABSTRACT: An Avocado Tree Named "Gem"

Brief description not available

ABSTRACT: Male Asparagus Hybrid Named ‘M256’

Brief description not available

ABSTRACT: Mandarin tree named ‘DaisySL’

Brief description not available

High Frequency Digital Frequency Domain Fluorescence Lifetime Imaging System For Applications On Tissues

The technology is a software/hardware combination designed to enhance sampling rate for frequency domain fluorescence lifetime imaging. Fluorescence lifetime imaging microscopy (FLIM) is a technique that uses signals emitted from fluorescent samples to construct images of those samples in near real time. An advantage to FLIM is its ability to image large fields of view, which makes it an attractive option for dynamical measurements of live biological tissues. The higher sampling rate available using this technology will allow for more information to be gleaned from biological samples, which may have a fluorescence band up to 1 GHz, advancing tissue imaging.

Tango Mandarin

Background: California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. W. Murcott mandarin is the currently popular mandarin cultivar that has been known worldwide for its high quality and about 2-3 million trees have been widely planted throughout California over the past decade. Unfortunately, isolation of citrus orchards have been difficult and consequently, W. murcott mandarins have become very seedy due to cross pollination by other citrus varieties. Therefore, consumer demands for mandarins that can maintain a low seed count and high-quality is increasing.  Brief Description: ‘Tango’ is a mandarin selection developed by mutation breeding and is seedless or low-seeded in all situations of cross-pollination. It is a mid- to late-season irradiated selection of W. Murcott mandarin that has a rich, sweet and juicy flavor. With a deep orange color and easy-to-peel rind, ‘Tango’ is n attractive citrus that is popular and sought-out by the citrus industry. ‘Tango’ also exhibits excellent vertical tree growth habits, which allows it to produce a large and dense crown. For multiple generations, this mandarin selection has remained true-to-type for low seed content and its other traits.

Kinnowls Mandarin

Background: California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. ‘Kinnow’ is the currently popular mandarin cultivar that covers 80% of all citrus trees in the Middle Eastern regions. Despite its fecundity in this region, it is very seedy and contains about 15-30 seeds per fruit. Therefore, there is high demand for mandarins that can not only withstand diverse climate conditions but have a low seed count.  Brief Description: ‘KinnowLS’ is a mandarin selection developed by mutation breeding of the diploid mandarin cultivar ‘Kinnow’, having only two to three seeds per fruit in all situations of cross-pollination. It is a mid- to late-season maturing diploid mandarin that combines large-sized fruit of excellent quality and production with low seed content even in mixed plantings. ‘KinnowLS’ exhibits vertical tree growth habits, which allows it to produce a large and dense crown. This novel hybrid could be successful in a mid-to-late season marketing window which currently has few low-seeded, high quality cultivars.

Drug-Like Compounds That Enhance Plant Immunity And Growth

Background: Due to the rapidly increasing demand of food production, agricultural biotechnology companies are aiming to improve crop productivity. Biotechnology tools that develop novel plant traits are projected to have a $1.3B global market with annual growth of 49.9% by 2019.  Brief Description: UCR Researchers have developed a drug-like compound, HTC, that is structurally distinct from other agrochemicals and will rapidly induce an immune response in plants to ward off pathogens. Only a small dose of this novel compound is needed for optimal protection as well as growth enhancement. By genetically engineering the plant to have a stronger inherent immune system, toxic chemicals like pesticides are no longer needed to protect the plant. Its implementation can render decreased usage of agrochemicals that are harmful to humans and the environment.

High Transformation Efficiency Non-Dormant Alfalfa Line 2525-14

Researchers at UC Davis have produced a non-dormant alfalfa line highly amenable to transformation, allowing direct improvement of the line. Higher transformation efficiency and a non-dormant life-cycle make this line of alfalfa a valuable tool for research and breeding.

Novel Diagnostic Methods for Citrus Stubborn Disease

Background: Citrus greening disease, also known as huanglongbing (HLB), is a stubborn bacterial disease caused by insect-transmission and phloem-limited bacterial pathogens. It has been a serious threat to the US citrus industry, decimating many citrus trees and costing the economy $11B in damages annually. The most commonly used method of nucleic-acid based pathogen detection has issues with low-titer (low concentration of antibodies to antigen) and cannot handle the erratic distribution of the pathogens.   Brief Description: UCR researchers have developed a proof-of-concept for using secreted proteins of bacterial pathogens to detect bacterial diseases. These abundant and stable secreted proteins serve as robust detection markers for immunoassay-based diagnostics. Compared to current methods, this novel method is more high-throughput, economical, and able to monitor the pathogens dispersed throughout the plant transportation system.

Shasta, Tahoe, Yosemite Mandarins: TDE Hybrids

Background: California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. W. Murcott mandarin is the currently popular mandarin cultivar that has been known worldwide for its high quality and about 2-3 million trees have been widely planted throughout California over the past decade. Unfortunately, isolation of citrus orchards have been difficult and consequently, W. murcott mandarins have become very seedy due to cross pollination by other citrus varieties. Therefore, consumer demands for mandarins that can maintain a low seed count and high-quality is increasing.  Brief Description: UCR Researchers developed Shasta Gold (TDE2), Tahoe Gold (TDE3) and Yosemite Gold (TDE4) mandarin hybrids. All three produce low-seeded or seedless fruit with deep orange, easy to peel rinds, and rich sweet flavor. They exhibit excellent vertical tree growth habits, which allows it to produce a large and dense crown. Tahoe matures the earliest between November - January, while Shasta and Yosemite mature later between December - March and December - January, respectively.

Shasta, Tahoe, Yosemite Mandarins: TDE Hybrids

Background: California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. W. Murcott mandarin is the currently popular mandarin cultivar that has been known worldwide for its high quality and about 2-3 million trees have been widely planted throughout California over the past decade. Unfortunately, isolation of citrus orchards have been difficult and consequently, W. murcott mandarins have become very seedy due to cross pollination by other citrus varieties. Therefore, consumer demands for mandarins that can maintain a low seed count and high-quality is increasing.  Brief Description: UCR Researchers developed Shasta Gold (TDE2), Tahoe Gold (TDE3) and Yosemite Gold (TDE4) mandarin hybrids. All three produce low-seeded or seedless fruit with deep orange, easy to peel rinds, and rich sweet flavor. They exhibit excellent vertical tree growth habits, which allows it to produce a large and dense crown. Tahoe matures the earliest between November - January, while Shasta and Yosemite mature later between December - March and December - January, respectively.

Shasta, Tahoe, Yosemite Mandarins: TDE Hybrids

Background: California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. W. Murcott mandarin is the currently popular mandarin cultivar that has been known worldwide for its high quality and about 2-3 million trees have been widely planted throughout California over the past decade. Unfortunately, isolation of citrus orchards have been difficult and consequently, W. murcott mandarins have become very seedy due to cross pollination by other citrus varieties. Therefore, consumer demands for mandarins that can maintain a low seed count and high-quality is increasing.  Brief Description: UCR Researchers developed Shasta Gold (TDE2), Tahoe Gold (TDE3) and Yosemite Gold (TDE4) mandarin hybrids. All three produce low-seeded or seedless fruit with deep orange, easy to peel rinds, and rich sweet flavor. They exhibit excellent vertical tree growth habits, which allows it to produce a large and dense crown. Tahoe matures the earliest between November - January, while Shasta and Yosemite mature later between December - March and December - January, respectively.

Novel Multiplex Assay Detects Citrus Pathogens

Background: Citrus greening disease, also known as huanglongbing (HLB), has been a serious, pervasive problem caused by a multitude of plant pathogens. It has decimated many citrus trees, drastically decreasing orange production and costing the US economy an estimated $11B every year. Currently, there is no cure for HLB, so the citrus industry is in dire need for a cost-effective method of early HLB detection.  Brief Description: UCR Researchers have developed a means to detect and identify multiple plant pathogens for disease diagnosis, including citrus greening disease. By developing a novel multiplex RNA assay, they discovered ten targets of nine citrus pathogens and a citrus control gene. In addition to the assays, target-specific probes were designed and implemented to improve the pathogen detection process. These assays were also coupled with high-throughput robotic extraction and purification procedures, optimized for citrus tissues. Furthermore, they also developed a 3-plex DNA assay system along with 3 targets for simultaneous detection, identification and quantification of plant pathogens.

'FairchildLS' Mandarin

Background: Over the years, the world renowned Citrus Experiment Station became the foundation of  the UC Riverside campus, where citrus breeding and agricultural research remain at the forefront.  UCR’s premier citrus breeding program varieties are  licensed worldwide, and some have been considered by professional taste panels to be one of the best flavored citrus in the world. Description: ‘FairchildLS,’  a mandarin developed by mutation breeding, is  seedless or low-seeded in all situations of cross-pollination. It has a moderately smooth texture and a sweet, rich fruit flavor. Easy to peel and with a deep orange color, the ‘FairchildLS’ is an attractive citrus that is popular and sought-out by the citrus industry. 

'Gold Nugget' Mandarin

Background: California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. W. Murcott mandarin is the currently popular mandarin cultivar that has been known worldwide for its high quality and about 2-3 million trees have been widely planted throughout California over the past decade. Unfortunately, isolation of citrus orchards have been difficult and consequently, W. murcott mandarins have become very seedy due to cross pollination by other citrus varieties. Therefore, consumer demands for mandarins that can maintain a low seed count and high-quality is increasing.  Brief Description: UCR researchers developed the ‘Gold Nugget’ mandarin which is a hybrid of ‘Wilking’ and ‘Kincy’ mandarins. that has a deep orange colored flesh, extremely fine texture, and is low-seeded in all situations of cross pollination. This medium sized mandarin grows vigorously in upright form and has outstanding storage characteristics on its trees. It matures in mid- to late-season.

Method for Increasing Fruiting Body Size and Controlling Seed Release in Commercially Important Plants

Prior to this invention, if increased fruiting body size was desired, multiple generations of plants had to be carefully bred to produce larger fruits with success far from certain. Research at UC San Diego regarding the regulation of flowering genes has uncovered a control point in fruiting body expression. When under the control of a constitutive or regulated promoter for this gene, a transgenic plant with greatly enlarged fruit results. Many kinds of significant commercial crops may now be induced to produce far larger than normal fruiting bodies, apparently, with no loss in fruit quality.

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