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During the holiday season in the U.S., more than 20 million freshly cut Christmas trees are sold every year, with fir trees topping the most-desired list. Unfortunately growers cannot meet the needs of consumers, and every year, there is a shortage of trees, primarily due to the incredible losses of susceptible firs — including balsam, Fraser, Canaan and others — to the root fungus Phytophthora.This affects consumers in Georgia and other Southeastern states, as more than 50% of the region’s fresh-cut trees are imported. Georgia growers offer Leyland cypress (x Cupressocyparis lelandii), Arizona cypress (Cypessus arizonica), red cedar (Juniperus virginiana) and Virginia pine (Pinus virginiana), but in recent years the demand for fir trees has continued to rise. With this knowledge, research has progressed to develop a fir tree suitable for growing in the Southeastern U.S.In the early 1990s, attempts were made to introduce the Momi fir (Abies firma), a heat-tolerant fir that can grow in the Southeast. The Momi fir has proven itself over the past 25 years as the only known fir species resistant to Phytophthora root disease, making it a good Christmas tree and ornamental or timber species.Because of the more desirable Christmas tree characteristics of Fraser fir, many growers In North Carolina have been grafting Fraser fir (Abies fraseri) scion — or shoot — wood to Momi fir rootstock. This enables a grower to grow a Fraser fir that is on Momi fir rootstock in Phytophthora-infested soils. Although grafting can be used to provide a solution to this situation, it can also be problematic. Grafting is very labor intensive, with the central-leader scion wood being difficult to attain, and success in the process can be elusive. Many have attempted to grow the Momi fir as a standalone Christmas tree species, but the process requires selecting for desirable Christmas tree characteristics.Unfortunately, it is difficult both to acquire Momi fir seed and germinate it, so growers needed a more reliable source of the species. In 2017, with a grant provided by the U.S. Department of Agriculture, research began to rescue embryos from Momi firs growing in Georgia. Embryos rescued from these trees could be cultured to produce hundreds of thousands of seedlings in less than six months if this propagation system could be developed. In mid-2019, a research team led by horticulture Associate Professor Mark Czarnota at the University of Georgia Griffin campus was able to create embryonic callus (a growing mass of plant cells) from rescued embryos of Momi firs growing in Georgia. In the near future, thousands of Momi fir seedlings could be made available to growers for rootstock and standalone Momi firs.There are several characteristics of the Momi fir that make it undesirable as a Christmas tree, including picky foliage, an off-green color and the lack of a center leader. However, if the Momi fir could be crossed with other firs such as Fraser (Abies fraseri), balsam (Abies balsamea), Canaan (Abies balsamea var. phanerolepis), Nordman (Abies nordmanniana), Turkish (Abies bornmuelleriana) or the Guatemalan fir (Abies guatemalensis), hybrid embryos could be rescued, cultured into embryos and matured into seedlings. If a hybrid could be developed, it could provide an endless supply of a Phytophthora-resistant hybrid fir trees for the Christmas tree, ornamental and forestry industry in Georgia and the Southeast. This could open up fantastic financial opportunities for all of these industries in the region.In order to create these hybrid firs, Momi fir trees growing in Athens, Griffin and Terrytown, Georgia, will be observed for female cone development. Once immature female cones (seed cones) are observed, they will be covered with pollen bags to prevent them from being pollinated by other Momi firs. When male cones are observed releasing pollen on Momi firs, covered female cones should be receptive and would be pollinated with pollen of Fraser or other desirable fir trees. When mature embryos are observed, hybrid cone embryos will be harvested and cultured to produce embryos and eventually seedlings. With any luck, these hybrids will be resistant to Phytophthora, forever changing our ability to grow firs in the Southeast.For a current list of Georgia Christmas tree growers, visit the Georgia Christmas Tree Association website at gacta.com.
Loading… “He played for England youth, captained Arsenal’s U19s and U23s. A lot of people went through that and couldn’t play for the first team. “He broke into the first team, stayed for a while, and had this big transfer, a massive transfer for me because the move to Everton made him more responsible for himself. “He moved away from the family to another city so that’s a bigger challenge and he’s taking it well.” Iwobi’s impressive performances for both country and club have seen him compared with former Super Eagles and Bolton Wanderers captain Jay-Jay, but the elder Okocha brother has dismissed such comparison, saying the mercurial midfielder can only be compared with the likes of Ronaldinho and Ronaldo. “Compare Jay-Jay with the likes of Ronaldinho, Ronaldo and Messi [not Iwobi],” he continued. “In this era don’t compare anybody with Messi, that would be unfair. That would put the young man under unnecessary pressure.” Iwobi has made 22 appearances across all competitions for Everton this campaign before the outbreak of the coronavirus, which is still wreaking havoc around the world. read also:I never condemned Iwobi’s style of play–Yobo The winger, who has 40 caps for the Super Eagles, played a key role as Gernot Rohr’s men qualified for the 2018 World Cup in Russia. FacebookTwitterWhatsAppEmail分享 Emmanuel Okocha is delighted with the career progress of his nephew and Everton winger Alex Iwobi, crediting it to his humility and hard work. Nigeria international and Everton forward Alex Iwobi The 24-year-old forward started his career with Arsenal, joining the Gunners while in primary school and went on to break into the first team. He made his senior appearance under former manager Arsene Wenger in a League Cup tie against Sheffield Wednesday in October 2015. The utility player made 149 appearances before leaving to join the Goodison Park outfit last summer for a fee of around £34 million, and has established himself as one of the key members of Carlo Ancelotti’s team. Okocha, who had 11 caps for the Super Eagles, reveals the forward’s success was not by accident, recalling how he rose through the ranks at the Emirates Stadium. “Alex getting to this point is not a surprise and I know he’ll do better. He broke into that level where people started asking questions, comparing him to Jay-Jay [Okocha] because of the relationship,” Okocha told the Super Eagles media team in an Instagram chat. “But they forget that he’s just another Nigerian like every other guy, playing for Nigeria, playing for Arsenal. “Playing for Arsenal built him up, people still appreciate that. They were about 24 when they were picked up at seven or eight. Promoted ContentWho Earns More Than Ronaldo?Couples Who Celebrated Their Union In A Unique, Unforgettable WayA Hurricane Can Be As Powerful As 10 Atomic Bombs9 Facts You Should Know Before Getting A Tattoo10 Places On Our Planet Where The Most People LiveThe Story Of The Small Italy Windows In The Walls Is Rather Grim7 Facts About Black Holes That Will Blow Your Mind7 Ways To Understand Your Girlfriend Better12 Countries Whose Technological Progress Amazes6 Extreme Facts About HurricanesWhich Country Is The Most Romantic In The World?Beautiful Mutations: 15 Staggering Photos Of Heterochromia