Huangguan pear (Pyrus bretschneideri Rehd cv. Huangguan) is a pear cultivar that rapidly developed in China. However, ra......

黄冠是以白梨系优良代表品种雪花梨为母本，砂梨系新品种新世纪为父本，进行种间无 杂交培育而成。其主要特性：（１）８月中旬成熟－－较河北省主栽......

The effect of calcium treatment during production on the quality (soluble solids, fruit firmness, soluble sugar content,......