Top Tweets for #TreeResistance
If you want to know more about #emblings, #insects and #treeresistance, read the #PhD thesis of Kristina Berggren Nieto that was examined today @_SLU @Uppsala
https://t.co/jQ77TBYN6A
Thankful our interns are on board to help with up-potting! Keeping trees as happy as possible before bioassay time is crucial for getting consistent data! #EAB #treeresistance
A note from the field: Research Assistant Julia Wolf scores #EAB egg hatch success on seedling progeny of "lingering" ash parents. Dissections begin next week and will show how many larvae fail to develop due to tree defenses! Photo by @MckibbenMiranda #treeresistance
Research Assistant Julia Wolf scores #EAB egg hatch success on seedling progeny of "lingering" ash parents. Dissections begin next week and will show how many larvae fail to develop due to tree defenses! #treeresistance @usfs_nrs photo: @MckibbenMiranda
Pollen viability testing time! Getting ready for lingering ash pollinations. The formation of the pollen tube indicates viable pollen grains. Ash pollen can be stored in the right conditions for several years and retain viability.
#eab #treeresistance @usfs_nrs
2/2: 2nd reason for top grafting using large scion is so that in the spring following grafting we can, in some cases, start cross-pollinations with other lingering ash to produce progeny with higher levels of #EAB #treeresistance
It's #EAB bioassay dissection time! Anyone have any good recipes? Stay tuned to find out who wins the prize for finding the fattest larvae and the tree with the most host defense killed larvae! #treeresistance #treebreeding
Bottom left: newly hatched beech scale nymph (Cryptococcus fagisuga) crawling among eggs collected to screen for resistant trees. Typically nymphs establish close to mom, but can be spread long distances by wind, birds & animals. #treeresistance
The best way to fight global warming? A new study suggests planting at least a trillion trees,
@borenbears reports. https://t.co/J8iezV2qok
Feeling hopeful, early signs of success for lingering ash rooted cuttings! If successful, will be great to clonally propagate trees with increased #EAB defenses on their own roots and avoid grafting! Great work Gavin, Julia, Dave, @Aletter_ForYou @jarredsanchez10 #treeresistance
TreeSnap: a #citizenscience app connecting #tree enthusiasts and #forest scientists
Read the paper: https://t.co/6F3wgsaWgX
Download the app! π² https://t.co/qZ7b71FMUl
@Treesnapapp @BradfordCondon @Almasaeed2010 @evcrocker @universityofky @UTKnoxville @NSF #treeresistance
Trying different treatments to root lingering ash cuttings, including protocols worked out for European ash by Gerry Douglas @teagascforestry. Wish us luck! @Aletter_ForYou Gavin Nupp, Julia Wolf, @JarredSanchez10 hard at work! #treeresistance #treebreeding #EAB @usfs_nrs
My fabulous summer crew collecting cuttings to test protocols to clonally propagate lingering green ash without grafting on #EAB susceptible rootstock. Will allow us to make lots of replicates for tests & breeding. @usfs_nrs @MInvasives @DCNRnews @USDA_APHIS #treeresistance
Six weeks after pollinations (left), beechnuts developing in containerized seed orchard of beech bark disease-resistant parent trees housed in a solar powered polyhouse. Fast, energy efficient, & safe (no climbing)! @usfs_nrs @MInvasives @MichiganDNR #treebreeding #treeresistance
Success!! Seed developing from our lingering ash x lingering ash crosses. Soon will have new families to test for #EAB resistance! Photo by @Aletter_ForYou
@usfs_nrs @MInvasives @MichiganDNR @DCNRnews @usfs_r9 @USFS_NA_SPF #treeresistance #treebreeding
For #EABWeek - @OSU research collaborator collects pollen from a grafted lingering ash to pollinate other lingering ash. Our studies show that some progeny will have better #EmeraldAshBorer defenses than either parent!
#treeresistance #treebreeding via @treebreederKoch
Female flowers on lingering green ash becoming receptive, it's pollination time! Looking forward to new seedling families for more genetic tests of #EAB resistance. @MInvasives @MichiganDNR @daeggen @DCNRnews @usfs_nrs @usfs_nrs #treeresistance #treebreeding
@Aletter_ForYou collects pollen from a grafted lingering ash to pollinate other lingering ash. Our studies show that some progeny will have better #EAB defenses than either parent! @usfs_nrs @MichiganDNR @MInvasives @DCNRnews #treeresistance #treebreeding
It's time! Anthers on male beech flowers dehisc and pollen is released. Next step - pollinations to produce beech bark disease resistant seedlings!
#treeresistance #treebreeding @Aletter_ForYou photo credit @usfs_nrs @MichiganDNR @MInvasives @MichiganDNR_UP
Seems like yesterday we were gathering the last of the lingering ash scion for grafting and future experiments & breeding. Now pollination season is upon us - stay tuned for flower pics!! #treeresistance #EAB photo by @Aletter_ForYou
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