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EVALUATION OF DIFFERENT METHODS OF POTATO WEED CONTROL PART II. RELATIONSHIPS BETWEEN WEED INFESTATION AND YIELDING
potato weed infestation yield linear correlation analysis of regression
2009/3/30
The research results come from a field experiment which was carried out over 1995-1997. The effect of weed infestation on potato yielding was determined by means of the coefficients of correlation and...
Effects of age and height of onion (Allium cepa L.) plants on infestation thrips, Thrips tabaci Linderman（（Thysanoptera：Thripidae）in Sokoto, Nigeria
Plant-age height infestation onion Thrips tabaci
2009/3/4
Three sets of onion (Allium cepa L.) crops transplanted at 4 week intervals were exposed to thrips, Thrips tabaci Lindeman (Thysanoptera, Thripidae) infestation at different times from February to M...
Germination and seedling characters in coconut（Cocos nucifera L.）as affected by eriophyid mite（Aceria guerreronis Keifer）infestation
Beak emergence Collar girth Leaf area Seed nut
2009/2/20
An experiment was conducted at Vellayani during 2002–‘03 to study the effects of eriophyid mite (Aceria guerreronis Keifer)infestation on germination and seedling characters of coconut. Infested nut...