When the spider mites were transferred from apple to other fruit trees, negative effects on developmental duration, fecundity and life table parameters were found in the first generation, but the effects faded out in succeeding generations.
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Besides, runoff and sediment produced in mixed planting of apple trees and crops were 16.14-fold and 2.96-fold than those of O.
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A Protein Inhibitor of Polygalacturonase in Apple Fruits Treated with Aminoethoxyvinylglycine and Cobalt Chloride
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Ethylene evolution changes were monitored during storage of apple fruits (Malus domestica Borkh., winter cultivar Mantuanskoe) treated with aminoethoxyvinylglycine and CoCl2.
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This inhibitor has been previously isolated from apple fruit tissues.
Anthracene oil emulsion is an effective insecticide for controlling the over- wintering eggs of many insects and mite pests on the fruit trees in dormant stage. In the past, emulsifiers most commonly used were soaps and sulphlite lye for preparing the anthracene oil emulsion. In this test, instead of using soaps and sulphite lye for preparing anthracene oil emulsion clay has been used as an emulsifing agent, and it gives very satisfactory result. In the laboratory tests, some factors affecting the quality ...
Polygalacturonase (PG) activity and changes in respiratory intensity of apple fruits were investigated.The respiratory rate was decreased to a preclimacteric minimum from 30 Aug,to 20 Sept.,Then increased to a climacteric peak (20—30 Sept.) and again drop down gradually with approaching the senescence stage. The PG activity was undetectable in a developing fruit until the onset climacteric phase.It rose rapidly after harvest,and reaching its highest level on 27 Oct.Just a month after the climacteric p...
The design of the software and its application in the work of coll-ecting cocoons are introduced in the paper. The research work is basedon data processing and the use of a microcomputer "Apple II". Throughthe work the analysis of the information on cocoon quality can be morecorrect and more perfect , and greater feedback speed is acquired,Therefore better conditions are created for guiding the cocoon productionand trade,guaranteeing cocoon quality and improving the management ofcocoon supply centers.