On April 19th at approximately 4:30PM, I observed our two Multiflora Rose (Rosa multiflora) plants. It was a sunny day with mild cloud coverage and a temperature of 43 degrees Fahrenheit. Both plants displayed approximately 75% increasing leaf size and are very similar to last weeks observations occupying approximately 75% of their total available space. There are still breaking leaf buds present but with warming weather conditions plant maturity should be reached fairly soon. (Post by Zakk Moorman)
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On April 12th I observed our two Mutiflora Rose plants. It was a sunny day with very little cloud cover, and the temperature was around 70 degrees fahrenheit at 2:00 P.M. when I evaluated each plant. Both plants had increasing leaf size with approximately 75% of them being full size. Both plants also filled approximately 75% of the full potential canopy space. There were still some breaking leaf buds but most had developed into growing leaves. There were still many fruits from last years growing season with no flower buds present, but hopefully with consistent warm weather they will develop. (Post by M. Cooley) Pictures showing leaves increasing in size and some fruits left over from last year (Photo by M. Cooley)
April 5, 2018 was a cooler 55*F. This week’s monitoring trip showed that both multiflora rose bushes were still actively starting to leaf out. With 1001, to 10,000 breaking leaf buds on each plant, this new growth is really starting to signal that spring is here. Of course both bushes also had full leaves out as well with about 70-75% of all leaves fully emerged. Unfortunately, there still aren’t any signs of flower buds emerging on either plant yet, however, with the warmer temperatures it shouldn’t be too much longer before they appear. Additionally it appears that some of the fruits from last season are still hanging on. (Post by N. Johnson)
Early morning, I traveled the quick 15 minutes to Radford University's Selu Conservancy to observe my team's shrubs. After a week of fluctuating weather of snow in the beginning of the week and rain with warmer weather midweek, this morning was sunny and 44° Fahrenheit. As spring rolls in, the warming weather brought more visible phenophases. More and more breaking leaf buds are coming through. No leaves are to full potential, but the increasing leaf size is continuing rapidly. There are a few wilted and dried leaves, most likely shock from the environmental stressors. The fruits from the previous growing season are still on both Multiflora bushes. Hopefully with the warming weather, these fruits will drop and flower buds will begin to show up. (Post by L.Cort)
On March 22nd, 2018 I observed the two Multiflora Rose plants at Selu in Radford, Virginia. Weather conditions were cold, approximately 36 degrees Fahrenheit with clear skies and several inches (3-4 roughly) of snow coverage on the ground. This was a different snowfall occurrence than observed last week and is very different from our initial observation of these plants. Conditions were similar to the previous week’s observations with the bushes still containing 101-1000 breaking leaf buds, approximately 5% of the potential canopy contained leaves and roughly 25% of them were increasing in leaf size. Both plants are still lacking flower buds but weather predictions are showing warmer weather approaching which will encourage the plants development. Both plants still contained 101-1000 ripened fruits from the previous year. (Post by Zakk Moorman)
This week I monitored our two Multiflora Rose plants on March 13th in the late afternoon. The temperature was 34 degrees Fahrenheit, with an overcast sky, and there was approximately 2-3 inches of snow on the ground. This is a large change in environmental conditions since our first week of monitoring. The bushes still had 101-1000 breaking leaf buds. Approximately 5% of the potential canopy contained opened leaves with 25% of them increasing in leaf size. Both plants still do not have flower buds yet, but hopefully the weather will begin to become warmer encouraging the burst of these. Both plants still contained 101-1000 ripened fruits from last year. (Post by Matt Cooley)
After an unusually warm week (temperatures in the 70’s), we have arrived back to our normal February weather (mid 40’s). This past week of warmer weather while favorable for us, had some pretty extreme outcomes for the multiflora rose bushes we are monitoring. On Monday February 26th, it was a lovely 48*F and overcast, however, the multiflora roses didn’t seem to mind. It seemed that the bushes were continuing to have more and more breaking leaf buds between 101 to 1,000!!! In addition about 5% of the breaking leaf buds from the week before have actually started to form the pink and green leaves; while about 25% of the prior leafs had started to increase in size. However, about 5% of both of the bushes still had the older colored leaves clinging to them in an attempt to not fall to the ground. With last years ripened fruits still attached to both bushes (101-1,000 fruits with >95% mature), the bushes are covered in a mix of old and new growth and hopefully new flower buds will appear in the following weeks. (Post by Nicholle Johnson) This week I monitored our two Multiflora rose (Rosa multiflora) in the early afternoon. It was a beautiful day! Sunny, clear skies, 72 degrees Fahrenheit, with 0% chance of precipitation. With the unusual warm weather, I noticed more phenophase action than the week before. Both of our plants were showing more breaking leaf buds, between 101-1,000! You can visibly see pink and green tips starting the leaf out. They are not considered increasing leaf size because the leaf hasn't grown enough to unfold or expose the stalk (petiole) or leaf base. Both shrubs also had a few increasing leaf sizes (<25%) where they are showing leaves but not to their full potential. Less than 5% of the canopy cover was full of leaves. One of our shrubs was still showing colored leaves (<5%) from an environmental stressor, which was most likely shock from cold weather. Both shrubs had more than 1,000 fruits present, and all of them were ripe (>95%) that had not dropped from the previous growing season. There are still no flower buds present on either Multiflora rose. Hopefully with the continuing warm weather, more and more leaf buds will break open and we'll have flower buds pop up. (Post by L. Cort)
On the afternoon of February 15, 2018, my teammates and I set out to Radford University's Selu Conservancy to find two Multiflora Rose (Rosa multiflora) bushes to monitor. The weather was nice; partly cloudy and in the mid 60s. Selu consists of mixed vegetation types among the 400 acres of land. We chose two Multiflora rose bushes along the trail path, on the east side of Selu. The vegetation consisted of mix grassland; a combination of grass and sedge, with an occasional woody shrub and brier patch. There is no canopy cover blocking the two plants from sunlight. We tagged our plants with pink tape and a metal tag to be consistent with using the same two bushes. Every week we'll monitor the plants for changing phenophase types. This week, our two Multiflora rose bushes had very little breaking leaf buds (3-10 on one bush and 11-100 on the other). The leaf bud is considered breaking when the scales are open, allowing a green leaf to slowly emerge, and the stalks of the leaf are not visible. Both bushes showed less than 25% of full leaf size and less than 5% of the canopy was covered in leaves. Both had a few colored leaves (<5%) due to an environmental stressor, most likely shock from cold weather. There were no flower buds present on either plant. Both plants had ripe fruits present that had not dropped from last growing season (one had 11-100 fruits and the other had more than 1,000 fruits).
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April 2018
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