Key pests of Asian vegetables:
| Crop | Insect pests |
|---|---|
| Bok choy/Buk choy and Pak choy | Diamondback moth; Aphids; Caterpillars; Onion thrips; Rutherglen bug; Brassica flea beetle; Silverleaf whitefly. |
| Chi qua – Hairy melon | Onion thrips; Cocksfoot thrips. |
What do you spray on bok choy?
There are natural insecticides like neem oil that can kill leafminers. Since bok choy is a vegetable crop, it is important to use organic and natural means as much as possible. Neem oil is a natural way to treat these pests because it directly affects the natural life cycle of the adult leafminers and the larva.
How do you get rid of bok choy worms?
Once you realize that you’ve got an infestation on your hands, removing the eggs by hand and spraying infested leaves with Btk every one to two weeks will help control these pests. Old-timey methods such as sprinkling leaves with cornmeal and rye flour may dehydrate and kill cabbage worms, if you want to give it a try.
Why there is holes in my bok choy leaves?
Holes in bok choi indicated a chewing pest. Close examination of the bok choi plants revealed small beetle larvae hiding down at the base of the leaves in the crown of the plant. These are the larvae of the vegetable weevil, a beetle that feeds on numerous vegetable crops as well as weeds.
Do worms eat bok choy?
The third cabbage worm that eats your cabbage and other plants is the Diamondback Moths. They are small and brownish with a turned up tail. All three have green larvae that will munch your cabbage, broccoli, cauliflower, lettuce, mustards, Bok Choy and kale.
Is it safe to eat bok choy with bugs?
Sometimes you’ll find bok choy leaves with tiny holes, which is just minimal bug damage, and the bok choy is still perfectly good to eat.
What is eating my pak choi plant?
Pests and diseases: Sadly susceptible to the entire barrage of brassica ailments: flea beetle, aphids, cabbage whitefly, caterpillars, root fly, slugs, snails and birds.
What can I spray on my cabbage plants to keep bugs off?
For a more in-depth infestation, make a repellent spray by mixing one tablespoon of dish soap with one cup of vegetable oil and one cup of water and spray down the entire plant, especially the underside of the leaves, where worms and other pests like to hide out.
How do I get rid of aphids on bok choy?
Spray Soapy Water
Add a couple of drops of dish soap to a spray bottle, top up with water and shake to dissolve. Spray the solution liberally over the plant, remembering to reach all parts of the plant, including the undersides of leaves. The soapy water traps and suffocates the aphids.
How do you get rid of cabbage moths naturally?
8 ORGANIC WAYS TO PREVENT & CONTROL CABBAGE WORMS
- Manual Removal.
- Floating Row Covers.
- Plant Purple & Red Varieties.
- Use Polyculture & Companion Planting.
- Beneficial Insects.
- Decoy Moths.
- Bacillus Thuringiensis (Bt) Spray.
- Neem Oil Spray.
Is it OK to eat greens with bug holes?
Fortunately, there’s good news! Greens with holes in them that were created by feeding insects or slugs should be fine to eat, if you cut away the damaged parts.
Should I cut off leaves with holes?
You should remove leaves with holes if they are caused due to a disease. This will help prevent spread of the disease if it’s a fungal problem. You can also remove leaves with holes if you are growing the plant for aesthetic appeal. You should remove leaves with holes if the major portion of the leaf is damaged.
What insect makes round holes in leaves?
Slugs and Earwigs
Slugs are the most common cause of holes in leaves, but they often remain unseen because they feed at night. Sometimes larger slugs eat leaves from the edge inward, but small slugs make irregular holes inside leaves, as shown in the chard leaf on the right in the above photo.
What animals eat bok choy plants?
Bok choy is very attractive to bugs, and some of them can do serious damage.
Here are the most prevalent bok choy pests:
- Cabbage maggots.
- Flea beetles.
- Tarnished plant bugs.
- Cutworms.
- Leafminers.
- Aphids.
- Seedcorn maggots.
- Slugs.
What happens if you eat a cabbage worm?
The questions are often asked – Are cabbage worms toxic to humans? Do they cause any harm to our body if accidentally consumed? Cabbage worms, also called the Pieris Rapae, are completely harmless to accidental human consumption.
How do you repel worms?
If you feel overrun with worms, common household mustard is an excellent natural worm deterrent, according to Earthworm Watch. Mustard contains an oil called allyl isothiocyanate, an ingredient that makes it taste hot. It irritates the worms’ skin and causes discomfort.
What does aphids look like?
Aphids are small, 1/16- to 1/8-inch-long (2-4 mm), pear-shaped, soft-bodied insects. They can range in color from green, black, red, yellow, brown or gray. Mature aphids can be wingless or can have wings. Winged aphids are similar in color but are a little darker.
What are the black specks on bok choy?
Occasionally, bok choy and other Chinese cabbages will have black flecks on the ribs, known as “pepper spot.” This is a harmless cosmetic condition that doesn’t impact taste or texture. Leaves should be perky (i.e., no sagging) and a vibrant shade of green, with no brown or yellow patches, which are signs of age.
How do you treat holes in leaves?
For both, treat with insecticidal soap or horticultural oil. Sucking insects poke tiny holes in leaves and draw the juices out of them. Common sucking insects include aphids, squash bugs, and spider mites.
Why is my bok choy leaves turning yellow?
Mosaic Virus
This virus causes wrinkled, discolored leaves and yellowing of the veins of your bok choy leaves. There’s no cure, so prevention is key. Plant resistant varieties, keep bugs away, weed your garden regularly, and sanitize your tools in between use.
Where do you spray neem oil on plants?
Neem oil works by suffocating insects or disrupting how they feed. The pest must be present when the oil is sprayed on the plant to be effective. When applying neem oil, cover all parts of the plant. Make sure to spray the undersides of leaves where pests can hide and lay eggs.