Abstract Abstract：‘Zaojiasigua’is an extreme early-maturing luffa F1 hybrid bred by crossing inbred
line‘X02’as female parent and inbred line‘H5’as male parent．In early spring cultivation，the first female
flower sets on the 6-9th node of the main vine．The plant growth vigor is strong．It takes 58-62 days from
field planting to first harvesting．The whole growth period is about 120 days．Its fruit is of long cylindrical
shape with 32.2-40.4 cm vertical diameter and 4.5-5.8 cm transverse diameter．The fruit peel is green in color．
The single fruit weight is 0.82-1.10 kg．The VC content is 254.6 mg · kg-1．The protein content is 7.8 g ·
kg-1．Its quality is good．In fields，its resistances to Phytophthora blight，downy mildew and powdery mildew
are stronger than that of the contrast‘Hengyangchangsigua’．It can yield about 40.5 t · hm-2．It is suitable for
cultivation in Hunan Province and Yungui Plateau by facility and open field cultivation．
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Received: 13 October 2020
Published: 11 January 2021
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