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First Report of Off-season Induction of Litchi Male Sterile Line MS1 Flowering and Fruiting
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Zhenxuan QUAN1, 2, 3, 4, 5, Xuewen ZHENG1, 2, 3, 4, 5, Yi WANG1, 2, 3, 4, 5, Weicai LI1, 2, 3, 4, 5
Chinese Journal of Tropical Crops | 2026, 47(3) : 659 - 666
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Chinese Journal of Tropical Crops | 2026, 47(3): 659-666
• Plant Cultivation, Physiology & Biochemistry •
First Report of Off-season Induction of Litchi Male Sterile Line MS1 Flowering and Fruiting
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Zhenxuan QUAN1, 2, 3, 4, 5, Xuewen ZHENG1, 2, 3, 4, 5, Yi WANG1, 2, 3, 4, 5, Weicai LI1, 2, 3, 4, 5
Affiliations
  • 1.South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, Guangdong 524091, China
  • 2.National Key Laboratory of Tropical Crop Breeding, Sanya, Hainan 572024, China
  • 3.Key Laboratory of Tropical Fruit Biology, Ministry of Agriculture & Rural Affairs, Zhanjiang, Guangdong 524091, China
  • 4.Key Laboratory of Hainan Province for Postharvest Physiology and Technology of Tropical Horticultural Products, Zhanjiang, Guangdong 524091, China
  • 5.Guangdong Provincial Engineering Technology Research Center of Characteristic Tropical Fruit Tree Technology, Zhanjiang, Guangdong 524091, China
Published: 2026-03-25 doi: 10.3969/j.issn.1000-2561.2026.03.010
Outline
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We have discovered and reported a litchi male sterile line MS1 recently but the characteristics of this male sterile was still unclear. In this study, grafted litchi male sterile line MS1 was used as the experimental materials and all the materials were planted in plastic pots. Anther fertility of the litchi male-sterile line MS1, characterized by off-season flowering, was assessed via morphological observation and paraffin sectioning. The results demonstrated that MS1 produced a low proportion of male flowers during high-temperature seasons. Moreover, both male and female flowers lacked viable pollen grains yet exhibited parthenocarpic ability. This study confirmed the stable male sterility of the MS1 line under high-temperature conditions, which lays the groundwork for determining its sterility type, and provides preliminary strategies for achieving off-season flowering in litchi.

litchi  /  male sterile  /  off-season  /  anther  /  fertility
Zhenxuan QUAN, Xuewen ZHENG, Yi WANG, Weicai LI. First Report of Off-season Induction of Litchi Male Sterile Line MS1 Flowering and Fruiting[J]. Chinese Journal of Tropical Crops, 2026 , 47 (3) : 659 -666 . DOI: 10.3969/j.issn.1000-2561.2026.03.010
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Article Info
doi: 10.3969/j.issn.1000-2561.2026.03.010
  • Receive Date：2025-09-26
  • Online Date：2026-06-26
  • Published：2026-03-25
Article Data
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History
  • Received：2025-09-26
  • Accepted：2025-11-26
Funding
Affiliations
    1.South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, Guangdong 524091, China
    2.National Key Laboratory of Tropical Crop Breeding, Sanya, Hainan 572024, China
    3.Key Laboratory of Tropical Fruit Biology, Ministry of Agriculture & Rural Affairs, Zhanjiang, Guangdong 524091, China
    4.Key Laboratory of Hainan Province for Postharvest Physiology and Technology of Tropical Horticultural Products, Zhanjiang, Guangdong 524091, China
    5.Guangdong Provincial Engineering Technology Research Center of Characteristic Tropical Fruit Tree Technology, Zhanjiang, Guangdong 524091, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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