'Longke No.13'is a new mid-maturing watermelon F1 hybrid developed by crossing highly selfing line'14KH13'as female parent and'14KH02'as male parent.It has strong vigor,and easy to bear fruit.The whole growth period of climbing cultivation is about 105 days,and the fruit developing period is about 40 days.The fruit is oval in shape.The peel is green in color and covered with dark green middle strips.The rind is durable enough,with thickness of 1.0 cm.The flesh is red and crisp.The soluble solids content in the center is about 12.8%,and at the edge is about 10.0%.The single fruit weight is about 10 kg.The yield is about 64.5 t·hm-2.It is high resistant to Fusarium wilt.It is suitable for cultivation in Gansu,Ningxia and Xinjiang regions.
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