Abstract

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Author(s):: WANG Heping; LIANG Yanping; YUE Qing; MIAO Ruyi; (Institute of Horticulture,Academy of Agricultural Sciences in Shanxi,Taiyuan,Shanxi 030031)

Keywords:: small fruit type watermelon; ‘Jin Watermelon No.7’; F1 hybrid; breeding

Abstract:: ‘Jin Watermelon No.7’，selfing line Ja-132-1-2-1 is used as female parent,and its male parent is selfing line Ja03-2-1-2-1.It is a small fruit type watermelon hybrid generation cultivated in Academy of Agricultural Sciences in Shanxi.It is early maturing and the development period of fruit is about 28 days.The potential of plant growth is weak.The leaves are small.The fruit is easy to set.The fruit is round and the fruit shape index is 1.04.The fruit skin is green with sawtooth stripe.The skin thickness is 0.7 cm.The skin hardness is more than 24 kg·cm-2.It is easy for storage and transportation.The content of sugar of fruit in center is 11.6%,and the content of sugar of fruit at the edge is 9.5%.The flesh is red and crisp flesh and good to taste.Commercial fruit rate is 98%,deformed fruit rate is 2%.It is easy to set fruit and has high yield.The average single-weight is 2.8 kg,the yield reaches up to 3 500 kg per 667 m2.During the seedling period the resistance of blight is identified,the resistance level is medium state.