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#1
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Okra being defoliated by bugs
My okra plants are being eaten so badly by the bugs, they are becoming
defoliated, and I'm not sure I can get them to live long enough to grow big enough to resist this onslaught. I've used slug pellets to stop the slugs, and it does not seem to be slugs. Slugs leave slime trails, and the pellets have never failed to stop them before. I see no slime trails, nor dead slugs. I've used Neem, which works with other plants the bugs find tasty, but it does not help. Out of desperation, I tried some sevin dust, and not even that seems to stop the damage. How can I protect these plants from whatever is eating them? I thought it was slugs because of the big holes in the leaves, but i'm not sure if it is just a lot of little bugs eating everything that is there. What can I do to prevent these plants from being devoured? |
#2
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Okra being defoliated by bugs
Zootal wrote:
My okra plants are being eaten so badly by the bugs, they are becoming defoliated, and I'm not sure I can get them to live long enough to grow big enough to resist this onslaught. I've used slug pellets to stop the slugs, and it does not seem to be slugs. Slugs leave slime trails, and the pellets have never failed to stop them before. I see no slime trails, nor dead slugs. I've used Neem, which works with other plants the bugs find tasty, but it does not help. Out of desperation, I tried some sevin dust, and not even that seems to stop the damage. How can I protect these plants from whatever is eating them? I thought it was slugs because of the big holes in the leaves, but i'm not sure if it is just a lot of little bugs eating everything that is there. What can I do to prevent these plants from being devoured? First find out what it is. Have you checked for grubs or 28 spot ladybeetle? David |
#3
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Okra being defoliated by bugs
Sevin (active ingredient CARBARYL:5%) CARBARYL CASRN: 63-25-2 For other data, click on the Table of Contents Human Health Effects: snip So basically if I don't snort the entire container, I should be just fine :-P. Wow - horse manure can cause more damage than that.... |
#4
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Okra being defoliated by bugs
First find out what it is. Have you checked for grubs or 28 spot ladybeetle? David When I look, there is never anything there. For all I know my dogs or cats are munching on them...You would think that with that much damage, I would at least see some signs of what is eating it. No ants, and we have ants everywhere, but I've never seen ants on them. The damage is not what flea beetles do - no small holes, but big chunks are gone. It looks like slug damage, I've seen what slugs do to my cabbages and eggplants, but we don't have enough slugs to do the damage I've been seeing, and there are no slime trails, and the slugs have never yet made it past the slug pellets. We have cucumber beetles here, but there are very few this year, certainly not enough to do the damage I'm seeing. We really don't have any other pests here - flea beetles and slugs do 99% of the damage to my garden. Cucumber beetles - they hate Neem, and a good spray of neem keeps them away. Flea beetles don't like Neem either. Oh, and we have aphids, but there is no sign of aphids on them. The only time aphids have ever done any damage is when they infested my brussel sprouts several years ago. We do have ladybeetles here, do they eat okra leaves??? No sign of grubs, but not sure I'd recognize it if I saw it. I'm going to keep a close eye on them for the next few days and see if I can spot anything eating them. |
#5
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Okra being defoliated by bugs
Zootal wrote:
First find out what it is. Have you checked for grubs or 28 spot ladybeetle? David When I look, there is never anything there. For all I know my dogs or cats are munching on them...You would think that with that much damage, I would at least see some signs of what is eating it. No ants, and we have ants everywhere, but I've never seen ants on them. The damage is not what flea beetles do - no small holes, but big chunks are gone. It looks like slug damage, I've seen what slugs do to my cabbages and eggplants, but we don't have enough slugs to do the damage I've been seeing, and there are no slime trails, and the slugs have never yet made it past the slug pellets. We have cucumber beetles here, but there are very few this year, certainly not enough to do the damage I'm seeing. We really don't have any other pests here - flea beetles and slugs do 99% of the damage to my garden. Cucumber beetles - they hate Neem, and a good spray of neem keeps them away. Flea beetles don't like Neem either. Oh, and we have aphids, but there is no sign of aphids on them. The only time aphids have ever done any damage is when they infested my brussel sprouts several years ago. We do have ladybeetles here, do they eat okra leaves??? No sign of grubs, but not sure I'd recognize it if I saw it. There are many species of ladybeettles. Some are useful preying on aphids, scale etc and some like the 28 spot ladybeetle are leave eaters that will destroy potatos, eggplant etc. David |
#6
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Okra being defoliated by bugs
Zootal wrote:
.... I'm going to keep a close eye on them for the next few days and see if I can spot anything eating them. around here big leaf damage is usually grasshoppers. i don't know if grasshoppers eat okra or not tho. for grasshopper control it helps to have bird baths (and not feed the birds much in the summer months so they will forage -- except if you are feeding orioles or other rare birds on a special diet i'd keep those going). songbird |
#7
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Okra being defoliated by bugs
In article 31,
Zootal wrote: Sevin (active ingredient CARBARYL:5%) CARBARYL CASRN: 63-25-2 For other data, click on the Table of Contents Human Health Effects: snip So basically if I don't snort the entire container, I should be just fine :-P. Wow - horse manure can cause more damage than that.... There is no minimum dose that is good for you. Enjoy. -- - Billy Both the House and Senate budget plan would cut Social Security and Medicare, while cutting taxes on the wealthy. Kucinich noted that none of the government programs targeted for elimination or severe cutback in House Republican spending plans "appeared on the GAO's list of government programs at high risk of waste, fraud and abuse." http://www.politifact.com/ohio/state...is-kucinich/re p-dennis-kucinich-says-gop-budget-cuts-dont-targ/ [W]e have the situation with the deficit and the debt and spending and jobs. And itıs not that difficult to get out of it. The first thing you do is you get rid of corporate welfare. Thatıs hundreds of billions of dollars a year. The second is you tax corporations so that they donıt get away with no taxation. - Ralph Nader http://www.democracynow.org/2011/7/19/ralph_naders_solution_to_debt_crisis |
#8
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Okra being defoliated by bugs
Zootal said:
I'm going to keep a close eye on them for the next few days and see if I can spot anything eating them. I suggest a night-time foray with a flashlight. My guesses would be that your pest is the invasive Asiatic garden beetle. They have only recently reached the midwest. They feed at night and hide during the day. http://extension.entm.purdue.edu/cap...cGardenbtl.htm -- Pat in Plymouth MI "Yes, swooping is bad." email valid but not regularly monitored |
#9
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Okra being defoliated by bugs
In article
, Pat Kiewicz wrote: Zootal said: I'm going to keep a close eye on them for the next few days and see if I can spot anything eating them. I suggest a night-time foray with a flashlight. My guesses would be that your pest is the invasive Asiatic garden beetle. They have only recently reached the midwest. They feed at night and hide during the day. http://extension.entm.purdue.edu/cap...cGardenbtl.htm Presuming Pat is right, you ,ay want to look at http://www.hort.uconn.edu/ipm/greenhs/htms/ghsebeetles.htm The "Integrated Pest MAnagement" approach would have you try the spring Tiphia wasp, and beneficial nematodes (Heterorhabditis sp.) first. To avoid killing off beneficial insects. http://www.oardc.ohio-state.edu/biocontrol/j_beetle.htm http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2618435/ You don't want to swat fleas with a sledgehammer. -- - Billy Both the House and Senate budget plan would cut Social Security and Medicare, while cutting taxes on the wealthy. Kucinich noted that none of the government programs targeted for elimination or severe cutback in House Republican spending plans "appeared on the GAO's list of government programs at high risk of waste, fraud and abuse." http://www.politifact.com/ohio/state...is-kucinich/re p-dennis-kucinich-says-gop-budget-cuts-dont-targ/ [W]e have the situation with the deficit and the debt and spending and jobs. And it's not that difficult to get out of it. The first thing you do is you get rid of corporate welfare. That's hundreds of billions of dollars a year. The second is you tax corporations so that they don't get away with no taxation. - Ralph Nader http://www.democracynow.org/2011/7/19/ralph_naders_solution_to_debt_crisis |
#10
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Okra being defoliated by bugs
Billy wrote in
: In article , Pat Kiewicz wrote: Zootal said: I'm going to keep a close eye on them for the next few days and see if I can spot anything eating them. I suggest a night-time foray with a flashlight. My guesses would be that your pest is the invasive Asiatic garden beetle. They have only recently reached the midwest. They feed at night and hide during the day. http://extension.entm.purdue.edu/cap...cGardenbtl.htm Presuming Pat is right, you ,ay want to look at http://www.hort.uconn.edu/ipm/greenhs/htms/ghsebeetles.htm The "Integrated Pest MAnagement" approach would have you try the spring Tiphia wasp, and beneficial nematodes (Heterorhabditis sp.) first. To avoid killing off beneficial insects. http://www.oardc.ohio-state.edu/biocontrol/j_beetle.htm http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2618435/ You don't want to swat fleas with a sledgehammer. What's the time lag on introducing those biological controls? Also, not that biological controls introduced into places where they are not native can have disastrous side-effects. One need only look at Cane Toads in Australia for a demonstration. I admit I have not yet read the cites you provided. I am, however, impressed they come from Ohio State and the NIH. They certainly are going to contain worthwhile, pertinent info. If it's going to take months or a year for the bio controls to get up and running, do you have any suggestions for saving the plants he's got growing _right now_? That would be cool and informative. Chris |
#11
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Okra being defoliated by bugs
Chris Thompson wrote in
. 3.70: What's the time lag on introducing those biological controls? Also, not that biological controls introduced into places where they are not native can have disastrous side-effects. One need only look at Cane Toads in Australia for a demonstration. I admit I have not yet read the cites you provided. I am, however, impressed they come from Ohio State and the NIH. They certainly are going to contain worthwhile, pertinent info. If it's going to take months or a year for the bio controls to get up and running, do you have any suggestions for saving the plants he's got growing _right now_? That would be cool and informative. Chris I am not at all opposed to biological/natural approaches. I eat the plants, after all . That is why I prefer Neem, it is natural, quickly biodegrades, and isn't actually poison - they flea beetles don't like the smell and stay away. It works wonders on cukes and cabbages. The patch I applied sevin to had only four plants in it, and is an isolated patch away from the garden. I have about fifteen okra plants in a row that I'm also trying to save, but is in the middle of the garden, and I won't dump sevin in the middle of my garden - too many beneficial bugs would get killed. |
#12
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Okra being defoliated by bugs
"David Hare-Scott" wrote in
: There are many species of ladybeettles. Some are useful preying on aphids, scale etc and some like the 28 spot ladybeetle are leave eaters that will destroy potatos, eggplant etc. David Huh, learn something new every day. I've seen a lot of lady bugs and I have not seen the 28 spot variety - I looked up some pics of them - none of ours have anywhere near that many spots. |
#13
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Okra being defoliated by bugs
songbird wrote in
: Zootal wrote: ... I'm going to keep a close eye on them for the next few days and see if I can spot anything eating them. around here big leaf damage is usually grasshoppers. i don't know if grasshoppers eat okra or not tho. for grasshopper control it helps to have bird baths (and not feed the birds much in the summer months so they will forage -- except if you are feeding orioles or other rare birds on a special diet i'd keep those going). songbird I don't think I've ever seen a grass hopper here. I'm not sure why - I'm in the mid Wilamette Valley, and for whatever reason we just don't have grass hopper problems - at least not in my neighborhood. |
#14
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Okra being defoliated by bugs
I suggest a night-time foray with a flashlight. My guesses would be that your pest is the invasive Asiatic garden beetle. They have only recently reached the midwest. They feed at night and hide during the day. http://extension.entm.purdue.edu/cap...cGardenbtl.htm Nasty bugs. I was going to go out last night, fell asleep, woke up and it was daylight again...I'll try it again tonight, I've been wanting to do a slug census lately anyhow - we have the famous Oregon Slugs here, and yes they really do grow up to six or eight inches long. And the bigger puppies can do an amazing amount of damage in just one night! |
#15
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Okra being defoliated by bugs
Chris Thompson wrote:
do you have any suggestions for saving the plants he's got growing _right now_? That would be cool and informative. Murphy Oil Soap... make a solution of an ounce to a gallon of plain water and use it to mist your plants. Be sure to spray the undersides of those huge leaves too, and it wouldn't hurt to drench the soil around your plants. http://www.colgate.com/MurphyOilSoap/faqs |
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