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| A New Luffa acutangula F1 Hybrid —‘Guiguan No.5’ |
| KANG Dexian1，LI Yian1，LU Fashi2*，WU Yongguan1，LU Yacheng2，JIANG Yaqin1，MO Yangpeng1，GAN Guiyun1，LI Weiliu1，WANG Yikui1，LI Wenjia1 |
1Vegetable Institute，Guangxi Academy of Agricultural Sciences，Naning 530007，Guangxi，China；2Hezhou Academy of
Agricultural Sciences，Hezhou 542813，Guangxi，China |
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Abstract ‘Guiguan No.5’is a F1 hybrid of Luffa angustifolia developed by crossing inbred line‘B05-
13-2’as female parent and inbred line‘A10-12-3-7’as male parent．The plant has strong growth vigor and
strong branching ability．Both its main and lateral vines can bear melon．It is of early maturity．The first
female flower sets on the 12-13th node in spring，but on 16-18th node in autumn．It takes 65-68 days from
sowing to first harvest in spring and 45-47 days in autumn．The commercial melon is of short stick shape．Its
rind is green with spots on the surface．The melon is 35-38 cm in length，5.0-5.2 cm in diameter．The single
fruit weight is 310-350 g．Its flesh is white in color and tastes tender and sweet．The yield is 52.5-58.5 t · hm-2．
Its resistances to downy mildew，powdery mildew and bacterial angular spot in fields are stronger than that of
the contrast‘Guilinbalingua’ ．It is suitable for planting in spring，summer and autumn in Southern China．
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Received: 02 September 2020
Published: 02 December 2020
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