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Introduction to the Huang County Pear Variety and Its Fruit Characteristics
Declaring unit: Shandong Provincial Fruit and Tea Technology Guidance Station. Approval status: approved by the Shandong Provincial Crop Variety Approval Committee in 1993 and by the National Crop Variety Approval Committee in 1994. Variety registration number: GS14004-1993. Variety source: local variety. Characteristics: the fruit is medium-large and uniform, with a single fruit weight of 150-200 g; the skin is yellow, with small and dense fruit dots; the fruit has an attractive appearance; the flesh is crisp and sweet, white in color, with moderate juice and a slight aroma; quality is above average. Extremely storage- and transport-tolerant.
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Causes of the 1999 yield reduction of Jin jujube in Ning County and the solutions
Jin jujube cultivation in Ning County, Gansu Province is concentrated in Zaosheng Town. In 1999, the bearing area was 100 hectares, with a total yield of 212.5 tons, which was 22.3 tons less than the average over the years, a reduction of 12.5%, making it a year with relatively poor yield in history. I. Causes of the Jin jujube yield reduction 1. Severe jujube witches' broom disease: According to a survey conducted in Xinzhuang Village, Zaosheng Town, Ning County, before 1997 the rate of diseased plants of jujube witches' broom accounted for 3.98% of the total number of trees, and all diseased trees were fruit-bearing trees. By 1999, the number of trees with jujube witches' broom had risen to 1387, accounting for 10.05% of the total
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