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Further tests of a similar nature are being undertaken this season (1937). _ Delayed Marketing of Cox's Orange Pippins.—This experiment, being five lots each of thirty oases of Cox's Orange Pippin apples, was undertaken at the request of the growers and with a view to determining, if possible and if the scheme were practicable, the best conditions as a guide to the 1 ruiteXP°The°concluSon r irived at was that there should be no delay between picking and shipment of the fruit from New Zealand and that storage, if any, to prolong the marketing period should be undertaken at the store which supplied the final market. , ; The Influence of Position on the Tree with regard to the Incidence of Bitter-pit in Cox s Orange Pippins —Apples for this trial were supplied from the Research Orchard, Nelson, and were picked from the sunny and the shady positions on the trees and shipped to England, as was the case.id a- similar but inconclusive experiment during the 1935 season. Details regarding the f o rmer tnaJ f (19M) «e given in Covent Garden Paper, New Zealand Apples No. 4 and the conclusion is .tha the f int exposed to direct sunlight develops more bitter-pit m storage than fruit picked at a similar stage oi maturity but from shaded positions on the tree. It was suggested however, that further experiments with this variety of apple should be undertaken, and consequently a further small consignment has been sent forward, this season. (1937) for storage. . Apples transported to England under Ordinary Air-cooled Conditions and subsequently placed m Refrigerated Gas-storage.-Four cases, each of five varieties of apples-viz Statesman Granny Smith, and Jonathan—were shipped to the Department of Scientific and Industrial Research, London, to obtain information with regard to the effect of storage m a a ® „ of carbon dioxide after transport in air from New Zealand m comparison with a full time m air &toia f!' t no report has been received concerning this experiment. Transport of Cox's Orange Pippins under Refrigerated Gas-storage Conditions— Two relatively J3lt. 0» a, m'v. - Empire St», » re»„™d for «ti. M»d constructed gas-tight cabinets each with control cocks and equipped with an eleotnc ™m°metec. Two of the cabinets were sealed up immediately after the apples were stowed therein, while thes third cabinet was used for normal control purposes and was left open ; thirty-six cases were placed in each cabinet, and a further thirty-six cases were carried in the ordinary way on the floor of one of the two cool chambers.^ rr^ed condition, was very favourably reported upon after a very thorough examination and portion of the shipment was placed into a refrigerated gas-store for a further period Overseas Investigations on Cox's grown in New Zealand,—An experiment was carried out wi Cox's Orange Pippins to determine the effect of precoolmg before shipment, and ofcold Bto ™8? . Endand prior to marketing, also the influence of different types of wrappers was investigated. Details regardmg P thL fruit are liven in Covent Garden Papers, New Zealand Apples, No. 6, and the * »*«' A of arrival, but other forms of wastage only slight; fruit remained in good condition during the four weeks' storage except for slight increase in bitter-pit. (b) Precooled and stored for five weeks following arrival and then examine . > iowe increased wastage of all types, and storage for such period is inadvisable ic) Precooling for three days prior to shipment led to greater development of bitter-pit, Dut further tests with fruit of different maturities and of different types are needed, as fruit not subject to bitter-pit may be benefited by precoolmg. (d) The Cox's in oiled wraps developed more bitter-pit than the fruit in plain wraps, )u < s very few of the samples were comparable in size and grade this result may not be significant, and further experiment with wraps is recommended. In this connection see " Research and Experimental Work m 1937 Season, items (b) and (c) hdoW ßesemch and Experimental Work in 1937 Season.-Two special consignments only of fruit have been forwarded overseas during the 1937 season and, in the ordinary commercial transport, one demonstrat shipment of apples per miv* " Sydney Star " on the no-dunnage system of stowage. The former comprised small experimental lots to determine . (a) The influence of position on the tree and incidence of bitter-pit m Cox s Orange Pippins. lb) The effect of precooling on the incidence of bitter-pit in Cox s Orange 1 lppnis. (c) The effect of different types of wrappers on wastage m Cox s Orange Pippins, the three lots an extension of earlier trials for similar purposes. Special work in ordinary cool storage and some research ill refrigerated gas storage is also bei g done rf coppe „», p l» to wrapper, in controlling the »pr,»d of fry-mould (Botrytis rots) in Winter Cole pears ; and extension of the experiments of 1934, 193j, (2) The'controf oTsuperficial scald on Granny Smith apples, involving the maturity at time of picking, delayed storage and oiled versus plain wrappers. (3) The effect of oiled wrappers on the keeping-quality and general appearance of apples fo export—eleven varieties of apples are being tried. (4) The experimental gas storage of apples of the Washington and the Ballarat varieties at various C0 2 gas concentrations and temperatures; also the determination of the rate of respiration of individual apples.

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