. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 12 BULLETIN 926. U. S. DEPARTMENT OF AGRICULTURE. respond very closely; that is, the higher the mean daily temperature the higher the average number of eggs until the period of oviposition begins to decline (fig. 3). 68 25 87 ?4 80 2J OS 22 84 21 85 20 82 19 8/ /8 80 /7 79 /6 78 /5 77 /4 78 /J 75 /2 74- // 73 /O 72 9 7/ a 70 69 68 67 66 66 6* Fig. A \ f> â' V A ^-\ j. \ rt f\ ! \A a j \ l\ p-/ \ / v\ /V v / / \ \ / \/\ \ / 1 / \ ' \ / V \ \ J \ / \ 1 \ / W/ \/ \ / \ / V \ / V 1 / 1 / 1 / XS . / x .-\/ \ /\ ;\ / \ /


. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 12 BULLETIN 926. U. S. DEPARTMENT OF AGRICULTURE. respond very closely; that is, the higher the mean daily temperature the higher the average number of eggs until the period of oviposition begins to decline (fig. 3). 68 25 87 ?4 80 2J OS 22 84 21 85 20 82 19 8/ /8 80 /7 79 /6 78 /5 77 /4 78 /J 75 /2 74- // 73 /O 72 9 7/ a 70 69 68 67 66 66 6* Fig. A \ f> â' V A ^-\ j. \ rt f\ ! \A a j \ l\ p-/ \ / v\ /V v / / \ \ / \/\ \ / 1 / \ ' \ / V \ \ J \ / \ 1 \ / W/ \/ \ / \ / V \ / V 1 / 1 / 1 / XS . / x .-\/ \ /\ ;\ / \ / v -' V\ .^ ⢠⢠! \' v" \ 'i V» / V ' \ â ' \ a r \ \ /-"*â¢Â» ».*'.*»«â â »>» ' ,*1',,W 7 6 <6 4 J S / /wr I JVA/£ JUL^ ME/W 04/LY T£Mf?f/?/1Ti//?£r M&W D/l/LY OWPOS/T/O/V Or 3.âRelation of mean daily temperature to mean daily oviposition of hibernated weevils. The oviposition records of the boll weevil on sea-island cotton differ very little from those on upland cotton under insectary conditions. The female weevils fertilized in the spring deposited eggs for an average period of 31 days and the hibernated weevils Si^ar. fG6 l/tr/A/G Pf/F/OP (MYS) Fig. 4.âMean daily oviposition of female weevils in upland cotton squares. fertilized in the fall, for an average period of days. The first and second generation weevils deposited eggs for average periods of and days, respectively. The average oviposition period for the females in sea-island cotton squares is shown to be Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.


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