
Texas
Agricultural
Extension Service

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| Volume
XXVII No. 9 |
April
27, 2001
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GENERAL SITUATION: Rain, finally. The amount of moisture
which fell on Monday night and Tuesday morning was variable, as
always, but helpful, none-the-less. Rainfall amounts ranged from
0.1 -0.3 inches along the Rio Grande to about expressway 83 from
Brownsville to McAllen. Much heavier amounts from Expressway 83
and north were recorded. There, rain totals ranged from 1 to nearly
6 inches from Edinburg to the coast. The heaviest amounts of rain
appeared to have fallen north of Edinburg, where one Doppler radar
reading was reported to have been 11 inches. Some grain sorghum
fields were not helped by the generous rains because of damage already
caused by the drought conditions. However, most of the cotton and
sorghum fields benefitted from rains. Additional rain is needed
in those areas not receiving much this week. Predicted chances for
more rain into this weekend were encouraging. Insect activity remained
about the same as last week in most fields.
Cotton conditions
improved this week. Plant growth may now proceed a little closer
to normal in most fields now that adequate moisture is available.
Yield potential for most area fields likely will have been reduced
prior to this week's rains, but will be far and away better than
if the rains had not come for another two weeks. Time will tell
how much this rain event will have helped the yields. Another good
rainfall event about the middle of May would make the crop for most
area farmers.
Many area fields
were beginning to show a few blooms this week. Fields planted prior
to or about February 15, were beginning to bloom. Fields planted
a week or so later were very close to bloom this week. Most area
cotton had reached squaring stage by last week into this week.
Boll weevil
trap numbers continued to decline in most traps this week (See attached
graphs). Only two traps, one north of Edcouch-# 17 and one just
south of San Benito-#101, from our Valley wide line were showing
any significant numbers of weevils this week. The rest were near
zero. This was the last week to make overwintered boll weevil treatments.
If cotton was not ready for the treatments by this week, then the
best suggestion would be to wait until actual boll weevil punctured
square counts reach treatment threshold before making applications.
A few fields have already begun to show increased worm counts following
overwintered weevil treatments, and further treatments into the
month of May likely would make worm problems only worse.
Fleahopper
counts were only slightly up in a few fields, but down in others.
Most fields had not shown significant fleahopper counts this week.
But for those that did, insecticide treatments were reported to
have been effective.
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