June is National Fresh Fruit and Vegetable Month, and researchers at the Universityare hard at work finding fruit and vegetable varieties best for w88 slot online in Nevada.
w88 slot online College of Agriculture, Biotechnology & Natural Resources, and its Experiment Station and Extension units, researchers are actively studying fruit and vegetable w88 slot online requested by consumers and small-scale agricultural producers. Their goal is to help producers improve yield to meet demand while diversifying which produce can be grown commercially in the harsh climates of both the Great Basin and the Mojave Desert.
“I think now, maybe more than ever, people are beginning to realize the importance of having a safe, secure food supply, grown locally, to nourish our residents,” said Bill Payne, dean of the College. “When we help our agricultural producers discover new crops and techniques, we not only help provide a local food supply, but we also help sustain our agriculture and restaurant industries, boosting our state&w88 slot online;s economy.”
Squashing out high demand
Many of the fruit and vegetables being studied by the College were chosen because they’re what w88 slot online consumers want. This spring, Maninder Walia, assistant professor and Extension field crop specialist, began a three-year specialty crop trial in Fallon, w88 slot online, based on consumer demand. Her focus is on butternut squash.
“There is a high demand w88 slot online casinos in particular for butternut squash,” Walia said. “They use it for soup and other recipes.”
There were four varieties of butternut squash planted in Fallon at Lattin Farms. Rick Lattin, with Lattin Farms, and Bob Dexter, with Dexter Farms, helped plant the crops and will help maintain and measure the squash as it grows. They will also help market the varieties for consumers to sample. Kelli Kelly, executive director of the Fallon Food Hub and a chef, will help taste-test and market the squash varieties, as well as help collect consumer feedback about the varieties&w88 slot online; quality and flavor.
The squash will be compared to already existing varieties in terms of quality, consumer demand, ability to grow in w88 slot online’s climate and overall yield. Results of the comparisons will be shared with local growers and community members through fact sheets, on-farm demonstration trials and community events and activities. The project will also include an education component where school students will be introduced to sustainable agriculture and the benefits of eating healthy, nutritious and sustainable food.
Prickly (pear) eaters
In the southern part w88 slot online state, John Cushman, professor of biochemistry and molecular biology, and Carol Bishop, Extension educator for Northeast Clark County, recently concluded a five-year study that focused on using spineless prickly pear cactus for human consumption, livestock feed and biofuel.
“Both fruit and vegetable production are equally important for this species,” Cushman said. “The cactus&w88 slot online; fruit is important for jams and jellies due to its high sugar content, and the cactus&w88 slot online; pads are eaten both fresh and as a canned vegetable, in addition to its use as a forage or fodder.”
Results of the study, which took place at the Experiment Station’s Southern w88 slot online Field Lab in Logandale, w88 slot online, showed that Opuntia ficus-indica had the highest fruit production while using up to 80% less water than some traditional crops. In addition, because the pads are made of 90% water, the cactus provides great potential for food for sheep and cattle production in drought conditions.
w88 slot online staff member Stephen James records information while graduate student Nicholas Niechayev measures how big the prickly pear cactus has grown. Photo by John Cushman.
Last year, Cushman began a new research project with prickly pear at the U.S. Department of Agriculture – Agricultural Research Service’ National Arid Land Plant Genetic Resources Unit in Parlier, California. In addition to continuing to take measurements of how much the cactus crop will produce, Cushman’s team, in collaboration with Claire Heinitz, curator at the unit, is looking at which w88 slot online conditions provide the greatest production and how to prevent certain diseases and pests.
One w88 slot online goals w88 slot online project is to learn more about Opuntia stunting disease, which causes cactuses to grow smaller pads and fruit. The team is taking samples from the infected plants to look at the DNA and RNA to try to find what causes the disease and learn how the disease is transferred to other cactuses in the field. The hope is to use the information to create a treatment to prevent the disease&w88 slot online;s spread and to salvage usable parts from diseased plants.
The team is also investigating different pesticides to find one that is safe for both human consumption and for bees that pollinate the cactuses. More information on the w88 slot online can be found on the prickly pear project&w88 slot online;s website.
A pomegranate parade
Since the conclusion of the first prickly pear project, the least successful performing variety at the Southern w88 slot online Field Lab was replaced with 19 varieties of pomegranates provided by Youping Sun, an assistant professor in landscape horticulture at Utah State University. This summer, the trees will be maintained by University of w88 slot online, Reno undergraduate student Cole Bennett, who will also be measuring their growth.
“Logandale already grows a lot of pomegranates and even has a big Pomegranate Festival each year,” Bishop said. “However, these are 19 varieties that, to our knowledge, have never been grown in southern w88 slot online before with the potential to expand the long-term economics of the area.”
Hopping around
In Las Vegas, many local breweries want to use locally grown hops. In response, Extension&w88 slot online;s M.L. Robinson, associate professor and horticulture specialist, is conducting research on the best hops varieties for the region at the Center for Urban Water Conservation in North Las Vegas, a partnership of Extension and the University of w88 slot online, Las Vegas.
The Hops Project is in its seventh year and is testing eight w88 slot online, including w88 slot online used for making teas. Thus far, the neomexicana hops from the southwestern U.S. have shown the best results.
Previous hops research included Extension&w88 slot online;s Professor Emeritus Jay Davison testing four varieties at Workman Farms in Fallon in 2012, and his work with Urban Roots in Reno in 2014 testing 10 varieties at the Experiment Station&w88 slot online;s Main Station Field Lab, as part of the Experiment Station&w88 slot online;s Desert Farming Initiative.
The Hops Project is in its seventh year and is testing eight w88 slot online, including w88 slot online used for making teas. Photo by College of Agriculture, Biotechnology & Natural Resources.
The center of flavor
Other projects in Las Vegas are split between the Center for Urban Water Conservation and the Outdoor Education Center at the Extension office in Clark County – Las Vegas. Between them, Robinson, fellow Associate Professor and Extension Horticulture Specialist Angela O&w88 slot online;Callaghan, and Extension&w88 slot online;s Master Gardener volunteers are studying more desert-adapted fruits and vegetables.
The Center for Urban Water Conservation is home to a demonstration orchard, where a variety of fruit trees are being tested to see which ones provide the best yields. Trees include peaches, apples, apricots, Asian pears, European pears, persimmons, figs, nectarines, pomegranates and true date palms.
One w88 slot online newer additions to the orchard are jujube trees, also known as Chinese date trees, which are not normally found in the Mojave Desert region. These trees produce small- to medium-sized red fruit that can be dried, eaten fresh and used to make tea.
At the Outdoor Education Center, Robinson and O’Callaghan’s team is conducting several projects related to w88 slot online vegetables in southern Nevada. One of the main projects is the investigation of perennial vegetables, such as artichokes and asparagus. Due to the region’s high temperatures and extremely dry and salty soil, standard commercial varieties don’t always work; however, they’ve found that lesser-grown varieties can be produced with some help.
“Yes, you can grow in southern w88 slot online, and it works. But it’s different than most other places.” – Angela O’Callaghan
The team is also comparing the results of w88 slot online vegetables in raised beds versus w88 slot online them in amended soil, or soil with added nutrients. Results for the highest yield appear to be heavily dependent on the individual vegetables. In some cases, even different varieties of the same vegetable respond differently to w88 slot online location – one variety may grow better in a raised bed, while another grows better in amended soil. The team is investigating what causes those differences, and they’re compiling their results in an easy-to-understand publication for both backyard and commercial growers.
“We have several years of data and are trying to figure out how to best convey those results to the public,” O&w88 slot online;Callaghan said.
Additional southern Nevada projects include garlic variety trials, temperature trials, compost trials, attempts to increase w88 slot online seasons and ways to protect plants from pests.
Wine state
Much of the College’s research is shared between northern and southern w88 slot online, as their goal is to find crops that work in both the Great Basin and the Mojave Desert regions. Last year, Robinson and Biochemistry Professor Grant Cramer concluded a study in southern w88 slot online on hybrid grape varieties. The hybrids were grown as part of the Table and Wine Grape Project, which began as a partnership with Andy Walker, a grapevine breeder withUniversity of California, Davis. Together, the team tested several varieties, including some discovered by Walker, as grape rootstock that grows well in dry, salty soil. The study concluded with positive results, showing that many wine grape varieties work well in southern w88 slot online. Many of the varieties grew exceptionally well without needing fertilizer, and some have been provided to local winemakers.
“We discovered that the grapes receiving less water produce the better crop, as ‘suffering’ grapes produce more sugar,” Robinson said. “Southern Nevada is a good location for w88 slot online grapes, as due to the lack of rainfall, we can control more easily the amount of water they get, which means we can fine-tune it to produce a better-quality wine.”
Also last year, the team, along with Assistant Professor of Sustainable Horticulture Felipe Barrios-Masias, received a new grant to expand their grape w88 slot online. The team partnered withOregon State Universityto investigate a stress hormone called abscisic acid and its role in drought- and salt-tolerant grapes. With funding w88 slot online Experiment Station and the U.S. Department of Agriculture, Cramer, Robinson, Masias and their team are testing and comparing two rootstocks recommended by Walker: Riparia, w88 slot online northeastern U.S. where the climate is wet, and Ramsey, from Texas.
The team grafted cabernet sauvignon vines onto each of the rootstocks and will be comparing the two combinations to each other and to a cabernet sauvignon w88 slot online on its own roots. The Ramsey rootstock has been observed to have a higher salt- and drought-tolerance than the other two. In the Barrios Lab, graduate student Maria Sole Bonarotais researching why the Ramsey rootstock seems to do better under drought conditions and how the root anatomy of the different rootstocks affect water uptake and help regulate water loss through the leaves.
In the Cramer Lab, graduate student Haley Toups is studying the production of the stress hormone, particularly in the Ramsey rootstock, as it appears to produce more of the hormone than the other two rootstocks. She&w88 slot online;s specifically investigating how the stress hormone impacts the plants&w88 slot online; drought tolerance and ability to regulate water.
In addition, graduate student John Baggett is investigating the salt tolerance of the rootstocks. Specifically, he&w88 slot online;s looking at concentrations of chloride in the leaves of the grapes, and how the chloride impacts salt tolerance. The team had noticed that the chloride concentrations were lower in the Ramsey rootstock, and Baggett is investigating to see if it has something to do with root absorption.
Graduate student John Baggett uses a special tool to measure the photosynthesis of one w88 slot online grapevines. Photo by Grant Cramer.
In Oregon State, Associate Professor of Horticulture Laurent Deluc is helping to measure the stress hormone. He&w88 slot online;s also working with conducting genetic modifications to better understand the hormone production process.
“The overall goal of all the research attached to this grant is, if we can better understand the production of the stress hormone and its impact on the rootstocks and vines, we can modify the vines to produce better yields with less water,” Cramer said. “That’s perfect for both northern and southern w88 slot online.”
Seeing red
Another project that recently concluded in southern Nevada was a study on how to increase the w88 slot online season for tomatoes by using shade. O’Callaghan found that a 30% shade cover can improve tomato production by protecting plants and fruit from the Mojave’s intense summer sunlight and heat. She published one journal article and is working on a publication to benefit the community.
Graduate student Steven Bristow talks with Loni Holley as he collects data about the grafted tomatoes w88 slot online at Holley Family Farms. Photo by Felipe Barrios-Masias.
In northern w88 slot online, Barrios-Masias recently concluded research into how different tomato rootstocks may help improve tomato crop yields despite northern w88 slot online’s cold soils in early spring and hot summers. Through the course of the study, the Barrios Lab compared a standard tomato variety with plants grafted onto four different rootstocks, which were then grown at Holley Family Farms in Dayton and Lattin Farms in Fallon under the lead of graduate student Steven Bristow.
“This year we planted a bunch more grafted tomatoes because they were phenomenal. We&w88 slot online;re always pleased to work with the University.” – Rob Holley, Holley Family Farms
Their research showed that the plants grafted onto some of the rootstocks had better performance and higher yield in northern Nevada’s variable climate. The grafted rootstocks had better resistance to less-than-optimal temperatures, greater nutrient uptake and bigger growth in northern Nevada’s short w88 slot online season. Bristow is working on publishing the results.
A medley of melons
Taking what he learned from studying tomato rootstocks, Barrios-Masias is beginning another rootstock study, this time focusing on melons. In partnership with the Experiment Station&w88 slot online;s Desert Farming Initiative and University of Arizona Cooperative w88 slot online in Yuma County, and with a grant from Western Sustainable Agriculture Research and Education, Barrios-Masias hopes to find rootstocks that allow commercial growers to more successfully produce melons in northern w88 slot online.
Part of the research includes working with Extension’s Associate Professor and Horticulture Specialist Heidi Kratsch. Kratsch will survey Nevada growers to find out whether they’ve tried w88 slot online melons or used rootstocks before and what problems they discovered. The results of her survey will inform Masias of issues that may occur during his research, as well as guide his research toward finding rootstocks that can deter pests and avoid diseases.
“There’s a long history of melons in w88 slot online, dating back to the early 1900s.” - Charles Schembre
Barrios-Masias’s project is one of two melon projects beginning this year at the College. The second project, led by the Initiative’s Project Manager Charles Schembre, aims to improve the success of melon production in northern w88 slot online through variety trials and mulch tests. With funding from the w88 slot online Department of Agriculture and through the Experiment Station, he also hopes to provide the technical information growers need to improve their production.
“There is high consumer demand, so we want to help small- and medium-sized farms tap into the market to meet that demand,” Schembre said. “We also simply need to improve our understanding w88 slot online process of melon production.”
The three-year project will take place on two plots. The first plot has cantaloupe and honeydew varieties w88 slot online under the same conditions. The goal is to determine which varieties grow best.
The second plot will focus on how different w88 slot online conditions affect the growth of a few of the varieties. This portion of the test seeks to answer if plastic mulch performs better than no plastic mulch, if different colors of mulch provide better w88 slot online conditions, and if melons grow better if they are seeded directly or transplanted. Most of the plot management will be done by Jose Velazquez, who is the lead student intern on the project.
Kratsch, along with Extension Horticulturist and Plant Diagnostician Wendy Hanson Mazet, will be helping with Schembre&w88 slot online;s study as well. Their goal is to find out which pests and diseases melons are most susceptible to, and if there are specific varieties that are more susceptible than others. They will be watching for when certain insects arrive and investigating how to treat melons with a holistic, organic approach, since the Desert Farming Initiative is certified organic. Kratsch and Mazet will also help provide information about Schembre&w88 slot online;s results to growers and consumers.
Shelf potato
In addition to finding new fruit and vegetable crops for w88 slot online producers to grow, some researchers are looking for ways to preserve the shelf life of existing crops. Dylan Kosma and Patricia Santos, with funding from the National Science Foundation, are searching for ways to reduce potato crop losses during storage. As the number one vegetable crop in the United States and a top five crop for the state, potato crop losses can be economically devastating to farmers and the potato industry as a whole. A large proportion of these crop losses are due to factors such as rapid water loss and disease while in storage.
The research delves into comprehending how different potato varieties can have different storage lives. They are using one variety that stores very well and another that stores very poorly to understand the molecular basis of this differential storage capacity. Specifically, Kosma is interested in the corky lipid polymer that comprises a large proportion w88 slot online skin. This polymer, called suberin, can be found in nearly every plant; however, there is still little known about its makeup and function.
When potatoes are harvested in the field, they tend to get damaged and form scabs, which prevent the sugars and water from coming out and also keeps bacteria and fungi from getting in. w88 slot online wound-healing tissue is made up of suberin. It is important for potatoes to form w88 slot online wound-repairing tissue to prolong storage life.
The idea of this w88 slot online is to ultimately improve how potatoes heal with this wound suberin deposition and how to, in turn, improve their lasting storability.
