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Honeydew

Honeydew

1. A sweet, saccharine substance, found on the leaves of trees and other plants in small drops, like dew. Two substances have been called by this name; one exuded from the plants, and the other secreted by certain insects, especially. Aphids.

2. A kind of tobacco moistened with molasses.


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leaf excretion

... be leaf aphids. The leaves of trees like Littleleaf Linden are very attractive to leaf aphids and these aphids produce lots of sweet secretions (honeydew) which can build up on the tops of the leaves. Or it could be Guttation -- Sugar droplets secreted by the leaves common in many plants. (Sorry, ...

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by ivygirl_5
Thu Aug 23, 2007 4:04 am
 
Forum: Botany Discussion
Topic: leaf excretion
Replies: 3
Views: 3762

The Fiber Disease

... Queensland and for cotton growers in the state’s Central Highlands where it threatens the viability of cotton production. The large quantities of honeydew produced cause ‘sticky cotton’ which can bring a cotton gin to a standstill. Sooty mould, which grows on honeydew, necessitates the costly ...

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by London
Thu Nov 16, 2006 11:59 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5481249

What causes the brown spots on pears?

... green to black in colour and jump from leaves when disturbed. Immature very small, flattened yellow to black insects usually found in a drop of honeydew on the underside of leaves. Pear Psylla. There are several generations per year. Spray Diazinon during pink bud stage but before any blossoms ...

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by CoolJay221
Wed Feb 15, 2006 4:13 pm
 
Forum: Botany Discussion
Topic: What causes the brown spots on pears?
Replies: 12
Views: 11333


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