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Linda Newstrom-Lloyd

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Linda Newstrom-Lloyd last won the day on May 28 2015

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About Linda Newstrom-Lloyd

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    Nu Bee
  1. Thanks Tommy, we have a lot of pictures of the plants that we have studied for the pollen protein content. I will look around at the photos on the forum though in case there are some we do not have, thanks.
  2. Hi Tom I certainly will raise the question with the nurseryman I know here in Havelock North. Finding out about systemic pesticides in ornamental and farm tree plants has never been a question before. I do not know if they use these types of insecticides on trees and shrubs in normal nurseries. I have never seen the issue raised before. But we are not working at the level of the nurseries. This issue should be added to the things people need to consider before using a plant -- e.g., will it be invasive, is it frost, wind, drought, flood tolerant, is it toxic to bees, does it ruin honey etc etc etc. There are many things to consider and so this issue will add to that list. It will be up to the farmer or beekeeper or whoever wants to plant something to get the answers to all these issues. The scope of our work right now is to find out which plants have abundant, high protein pollen and how can we plant them on farms.
  3. We don't have information on what nurseries are doing to their plants. I am not sure how you would find that out other than asking the nursery association.
  4. It would be good to put a description of our work on wikipedia someday and we are also continually publishing and sharing information at beekeeper conferences and on our website and preparing scientific papers and popular articles. The methods are being described in detail in our science paper in preparation this winter. Also you can talk to us at the conference where we will have table with new information. We will be giving two workshops at this years Apiculture Industry Conference in Taupo in June. Come to our table for more information and discussion. I look forward to meeting you there.
  5. Yes we can describe our methods in due course. All our work is public good because it is an MPI Sustainable Farming Fund. There is not room here to describe our methods but there are presentations (videos and ppts) on our website Home | Trees for Bees NZ. Smart planting for healthy bees. that do show how we do this. It is too late at night now for me to find the exact place but I have presented it at the Eastwoodhill Conferences (the first one) which should still be on our website.
  6. Yes I understand your point. I did not express myself very well. I meant to say that providing more pollen and nectar sources help beekeepers to have more numerous and stronger hives to put on the crops and pastures.
  7. And I also wanted to say that this is really valuable information about what is flowering when and where. We need that kind of information. Thanks.
  8. Thanks Janice, yes I looked at it tonight and printed it out. A lot of questions in the thread so I hope to look at them later on.
  9. It could be a eucalyptus. Do you see any flowering Eucalypts within a 5 km radius?
  10. No, nothing fancy like that. We catch the bee with big pollen pellets in the flower and then when we process the pellet for protein analysis we photograph it for the future catalogue. When we catch the bee on the plant we also take a sample of the pollen from the flower. Then we acetolyse both a sample from the bee leg and from the flower and we have a palynologist, Ian Raine, from GNS Science, positively identify that the pollen in the bee pellet is the same as the pollen in the flower. That is how we know that the pollen on the bee is the pollen from the flower on the plant we were collecting. We have only had a mismatch two times out of over 100 samples done so far. It was when we caught a bee in a flowering ash tree in Cantebury with a white pollen load. But in the analysis the pollen was actually from a hawthorne tree which was right across the road. Both species had white pollen. But this has only happened twice now which gives us confidence when we photograph the pollen pellet to record its colour.
  11. Trees for Bees NZ is collecting data and photos to create a pollen pellet colour information source. We produced a poster awhile back on some of our first information collected. You can download from http://www.treesforbeesnz.org/__data/assets/pdf_file/0017/60254/pollen-pellet-colour-poster.pdf. The trick with identifying plant species based on a pollen pellet colour is that it can be done for a small local area if you know what candidate plants are around but not for a large area with a lot of species because there are too many species with the same colour especially for white, yellow, and orange pollen pellets. There are fewer candidate plant species for blue, purple, red or brown pollen. You can always recognise white clover though because the pellet is brown on the outside and yellow on the inside. So far, we found this is the only one like this. The pollen in the clover flower is yellow but something happens to the pollen on the outside of the pellet that makes it turn brown. Another interesting thing is that some pollen will change colour even in the flower. Fuchsia pollen is bright blue purple when fresh but if you collect a flower and leave it to dry on a hot day the pollen turns a transparent type of white. Really strange.
  12. We found very red pollen from horse chestnut trees. Some of the horse chestnut species are said to be toxic to bees but little info available.
  13. Trees for Bees NZ is working on a database that hopefully can result in a catalogue with macro photos of bee flowers (mostly with the bee visiting the flower) for plants that are good pollen and nectar sources based on our fieldwork. We are also accumulating data on pollen (protein content), pollen pellet colours (photos), and characteristics of the plants that are attractive to bees. There is more and we post progress reports on Home | Trees for Bees NZ. Smart planting for healthy bees..
  14. Thanks. I am new to working on forums and so welcome any suggestions to help a two way information exchange on trees for bees.
  15. Oops sorry I am new to the forum and tried to respond to the previous post about our Trees for Bees NZ website only talking about planting for honey bees but I pressed the wrong button and posted a blank! To answer the question, yes It is true that T4B-NZ is primarily reporting on research about honey bees at this point because our current funding comes from an MPI Sustainable Farming Fund grant and the original goal of the research is providing better pollination services for crops and pastures. So we are trying to get more bee forage on farms to boost honey bee populations using good nutrition. In any case, planting for honey bees is also good for native bees, bumble bees, moths, butterflies, flies and even birds depending on the type of flower. These pollinators will share many different types of flowers including native and exotic flowers. The ultimate goal is getting more diverse and abundant pollen and nectar into the landscape for all pollinators to thrive so planting flowers instead of removing them is critical for all pollinators. It is important to plant the types of trees, shrubs and herbs that grow well and fit in to the New Zealand landscape. Sometimes it is possible to propagate plants by cuttings and sucker shoots etc. so it does not always need to cost a lot of money. Gardeners who collect seed or share cuttings can help.
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