. Boll weevil suppression, management, and elimination technology : proceedings of a conference, February 13-15, 1974, Memphis, Tennessee. Boll weevil, Control, Congresses. Table 2.âNumber of boll iveevils captured with Leggett traps during the growing seasons of 1972-73 No. boll ,weevils captured/trap/month inâ Month Zone I Zone II Zone III Untreated 1972 1973 1972 1973 (1973) (1973) Apr. May .100 .170 June .290 .540 July .085 .010 Aug .006 ... .005 .4 .84
. Boll weevil suppression, management, and elimination technology : proceedings of a conference, February 13-15, 1974, Memphis, Tennessee. Boll weevil, Control, Congresses. Table 2.âNumber of boll iveevils captured with Leggett traps during the growing seasons of 1972-73 No. boll ,weevils captured/trap/month inâ Month Zone I Zone II Zone III Untreated 1972 1973 1972 1973 (1973) (1973) Apr. May .100 .170 June .290 .540 July .085 .010 Aug .006 ... .005 .4 .84 .79 .80 ... Total/ zone â â â 156,580 1,459 132,350 3,954 40,172 Table âEgg-punctured squares and adult boll weevils per acre in zones IâIII in 1971-1973 Egg-punctured Adult boll weevils/ Year* squares in zone (%) acre in zone I II III I II III 1971 435 1972 198 1973 .02 .04 .2 89 1 Through week of July 30-August 3 only in 1973. In 1971- 72, records are through frost. Table 4.âNumber of boll weevils captured per season in PBWEE No. weevils/trap/week Zone May-July May-July 1971 1972 1972 1973 I II .13 .06 III ... ... Untreated . â¡ - / , 1172. - , ( , APRIL MAY JUNE JULY Figure 1.âEmergence of boll weevils as measured by trap catches in zones I and II, PBWEE, 1972-73. ture any boll weevils released from bolls by stalk destruction. The results in the following table show that about four times as many boll weevils were captured between September 25 and Octo- ber 20 around fields with destroyed stalks than around fields with stalks left standing. No. boll weevils/trap around fields Zone Cotton Cotton standing destroyed I II .2 .9 Stalk destruction forced some boll weevils from the destroyed fields and these in turn were cap- tured in traps around the fields. Seasonal emergence patterns as measured by trap catches are sho
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