•
Flying insects such as flea beetles are known to
dislike moisture. Typically, they can be
discouraged by watering the garden in...Continue
• Plants make their own
food in the process of photosynthesis using light energy
to make sugars from carbon dioxide...Continue
• Many plants not only inhibit
the seed germination of other plants but their own as
well. Experiments with western ragweed...Continue
•
Garlic is an effective destroyer of the diseases
that damage stone fruits, cucumbers, radishes, spinach,
beans, nuts and tomatoes. Onion spray is effective as
a...Continue
• Bermuda Grass is an
excellent lawn grass for the southern states. Bermuda
withstands both heat and drought and...Continue
• In plants, water moves
from the root to the leaves via the stem. The water then
leaves the xylem in the leaf and evaporates...Continue
• Garlic based oil is effective in killing
mosquito larva in ponds as will derris root or tuba, long so used by the
Chinese. Myristicinm a synthesized compound found in parsnips also...Continue
• Mulch can be almost anything
that retards loss of moisture, but organic mulches which
add nutrients to the soil are considered...Continue
•
Though nitrogen makes up 80 percent of the
volume of the atmosphere, it is almost useless to
plants, for it must be changed into a compound before it
can be used...Continue
• Why do most annual plants die
in the autumn? Larry D. Nooden and Susan L. Schreyer at the University
of Michigan are studying a chemical "death signal"
possibly a hormone...Continue
• Certain weeds indicate a
soil rich in potassium. These are march mallow,
knapweed, wormwood, opium poppy...Continue
• Potatoes do well planted with beans, corn,
cabbage and horseradish (which should be planted at the corners of a
potato patch) marigold...Continue
• Rhizobium bacteria form
nodules on leguminous plants and turn atmospheric
nitrogen into a useful form for building plant
proteins...Continue
• Soapberry or chinaberry is the name of a
group or genus of trees and shrubs that bear fruit containing a soapy
substance called saponin...Continue
• Symbiosis means the living
together in intimate association of two dissimilar
organisms. A common example are the lichens, which
are really double plants, a combination of a fungus and
an alga...Continue
• Tomatoes will protect
asparagus against the asparagus beetle. Since they are
tender plants, put tomatoes in during late spring
after...Continue
• DNA is the hereditary
material of the cell, and it is now well established that
purified DNA (genetic material) can be taken up by bacteria
and the receiving cells are able to incorporate it into
their chromosomes...Continue
|
|