Effective concentrations of methylpentynol for anesthetizing rainbow trout, brown trout, brook trout, and lake trout were determined by a series of tests. Concentrations of 1.5 to 8 parts per thousand induced anesthesia in 4 to 57 minutes. Increase in water hardness had no significant effect on the rate of anesthesia. Repeated anesthesia had little effect on rate of response. The efficacy of anesthetic solutions was reduced by continuous use. Methylpentynol may be more appropriate as a sedative or soporific for salmonids than as an anesthetic.

3 new fungicides (Kocide, Antracol and Benlate) were tested to determine their efficacy in the control of scab, Elsinoe fawcetti on sour orange seedlings. All treatments resulted in highly significant control of the disease. Most efficient control of the scab was obtained with Kocide 1.0 and 2.0 lb/acre

Antimycin A was subjectedto field trials as a fish toxicant in 20 ponds and lakes and 5 streams in the East, Midwest, and West of the United States. The formulations of toxicant included three on sand grains which are designed to release antimycin uniformly within certain depths, and one formulation in a liquid. Differences in sensitivit among fish suggest possible use of antimycin as a selective toxicant. The efficacy of the toxicant is influence by pH and water temperature, with slightly higher concentrations necessary at high pH or in cold water. Antimycin does not repel fish, and its toxic action on fish appears irreversible. It degrades rapidly, usually within a week. Fish-killing concentrations have little or no effect on other aquatic animals.

Wheat farmers operate in a quasi free market in which guaranteed price minima are available upon satisfaction of governmental imposed preconditions. A method is developed with which farmers can evaluate the profitability of available alternatives. In general, there must be sufficient land so that the acreage of wheat relative to the allotment exceeds the ratio of the loan rate to the expected free market price. These break even criteria can be used by policy planners to evaluate proposed programs and to determine their efficacy before their implementation. Ideally, programs should be structured so that the most profitable alternative for the farmer is also the one that will achieve the policy goal. An analysis of statewide aggregate data confirms the theoretical conclusion, based on this methodology, that full participation without additional voluntary diversion was the most profitable alternative open to the wheat farmer in 1964.