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#1
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Zucchini blossom end rot
Jonthe Fly wrote:
hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David |
#2
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Zucchini blossom end rot
On 4/12/2009 2:17 PM, David Hare-Scott wrote:
Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? |
#3
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Zucchini blossom end rot
Jonthe Fly wrote:
On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D |
#4
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Zucchini blossom end rot
On 4/12/2009 10:25 PM, David Hare-Scott wrote:
Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D As you said you had record temperatures, could it be that these have affected pollination at that crucial time. I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... |
#5
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Zucchini blossom end rot
Jonthe Fly wrote:
On 4/12/2009 10:25 PM, David Hare-Scott wrote: Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D As you said you had record temperatures, could it be that these have affected pollination at that crucial time. I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... This is true of some species such as tomatoes but I have not heard of it regarding marrows. That doesn't mean that it isn't so. David |
#6
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Zucchini blossom end rot
On 5/12/2009 8:20 AM, David Hare-Scott wrote:
Jonthe Fly wrote: On 4/12/2009 10:25 PM, David Hare-Scott wrote: Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D As you said you had record temperatures, could it be that these have affected pollination at that crucial time. I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... This is true of some species such as tomatoes but I have not heard of it regarding marrows. That doesn't mean that it isn't so. David This should cover it! http://www.gardenersnet.com/atoz/pollenfaq.htm |
#7
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Zucchini blossom end rot
On 5/12/2009 8:20 AM, David Hare-Scott wrote:
Jonthe Fly wrote: On 4/12/2009 10:25 PM, David Hare-Scott wrote: Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D As you said you had record temperatures, could it be that these have affected pollination at that crucial time. I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... This is true of some species such as tomatoes but I have not heard of it regarding marrows. That doesn't mean that it isn't so. David Sorry I shouldnt have mentioned it. Of course the nose is on your face. |
#8
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Zucchini blossom end rot
On 5/12/2009 8:20 AM, David Hare-Scott wrote:
Jonthe Fly wrote: On 4/12/2009 10:25 PM, David Hare-Scott wrote: Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D As you said you had record temperatures, could it be that these have affected pollination at that crucial time. I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... This is true of some species such as tomatoes but I have not heard of it regarding marrows. That doesn't mean that it isn't so. David Youre not easy to convince are you? |
#9
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Zucchini blossom end rot
Jonthe Fly wrote:
On 5/12/2009 8:20 AM, David Hare-Scott wrote: Jonthe Fly wrote: On 4/12/2009 10:25 PM, David Hare-Scott wrote: Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D As you said you had record temperatures, could it be that these have affected pollination at that crucial time. I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... This is true of some species such as tomatoes but I have not heard of it regarding marrows. That doesn't mean that it isn't so. David Youre not easy to convince are you? I do not rush into conclusions. I have grown zuccs right through summer here for years, which is just as hot or hotter than the last month, and not had the problem of BER. I think the prolonged flagellation of this particular horse has just about reduced it to component molecules. D |
#10
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Zucchini blossom end rot
Jonthe Fly writes:
I have the idea planted in the back of my mind somewhere, that pollination stops when the temperature gets too high, and it may also be that bees stop pollinating for the same reason....They slack off on hot days.... Bees seem to be getting a poor rap here, and all of it undeserved. Allow me to put in a word in their defence. On hot summer days, flowering native trees hum loudly with the sound of beating bees wings. The bees are working even harder in the hot weather! If the number of bees you see in your garden falls off during heatwave conditions, it's because those bees are needed back at the hive to fan the brood (undeveloped bee lavae) in the comb and regulate the temperature of the hive. Bees don't slack off in heatwave conditions, they actually work harder than ever! On the topic of zucchinis, as I have written here many times: the beauty of growing zucchinis is that you DON'T NEED BEES because zucchinis don't need pollination. Provided you harvest the fruit within a day or two of its flower having opened, it doesn't matter whether it has been visited by a bee or not. Only if you want to grow a fruit to maturity do you need bees. But allowing a zucchini to grow large means it loses its flavour, that's why they need to be harvested while young and tender. In addition, not allowing any of the fruit to grow for more than a few days keeps the plant flowering vigorously and producing even more fruit, thus improving the yield. -- John Savage (my news address is not valid for email) |
#11
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Zucchini blossom end rot
On 4/12/2009 10:25 PM, David Hare-Scott wrote:
Jonthe Fly wrote: On 4/12/2009 2:17 PM, David Hare-Scott wrote: Jonthe Fly wrote: hope this helps.... http://www.nt.gov.au/d/Content/File/...t_Pest/479.pdf Thanks. None of the listed ways that insufficient calcium would be available seem to apply. I may just continue cutting most of them small (zucchini flowers are very "in" you know) and leave a few to grow, or not, and await developments. David OK a longer check off list needs to be made it seems. No heavy winds or sudden rain after a period of drought? No, puzzling isn't it. D I also found this, in the Net, which tends to give me the clue I was looking for.. I suspect I'm right. Q: I had a gardener ask me why the blossoms would suddenly fall off his tomato plants. Can you explain that one? Also, why would cucumbers suddenly quit blooming? (Mandan, N.D.) A: One answer to both questions, high temperatures and a lack of adequate moisture. While both like warm temperatures, the hot weather we've been having and the lack of consistent rainfall will cause both blossom abortion and non blooming. Even our zucchini plants are way down on production this year and that's saying something! |
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