不同催熟剂对胡麻成熟一致性及产量的影响

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关键词：胡麻；化学催熟剂；成熟一致性；产量

中图分类号：S565.9 文献标志码：A 文章编号：2097-2172（2025）09-0851-05

doi：10.3969/j.issn.2097-2172.2025.09.012

Effects of Different Ripening Agents on the Maturity Uniformity and YieldofLinumusitatissimum

LI Jinjing， CHEN Jun，YE Chunlei， SUN Xialing （Instituteof Biotechnology，Gansu Academy of Agricultural Sciences，Lanzhou Gansu 73oo7o，China）

Abstract：Toaddresstheisuesofinconsistent maturityandhighseed moisturecontentatharvestinflax（Linumusitatissimum L）production，therebyovercomingthechallngesofmechanizedharvesting，theflaxvarietyLongya13wasusedasexperimental material. The effects of 3 ripening agents， 20% diquat aqueous solution， 68% glyphosate ammonium salt soluble granule，and 40% （204 ethephoaqueoussolution，onmaturityseedtraits，yield，andmechanizedharvestossrateofflaxwerecompared.Resultsshowed thatchemicalripeningtechniquessignificantlyimprovedtheadaptabilityofflaxtomechanizedharvesting.Treatmentswithdiquat and glyphosate ammonium salt reduced plant water content by 41.15% and 37.36% compared with the control of water spray，and capsule water content decreased by 55.75% and 42.18% ，respectively，while yield increased by 3.20% and 5.60% compared with the control.Bothtreatments extendedthesuitablemechanized harvesting windowwithoutcompromisingseedvigor （germinationrate > 99 % ）.Therefore，diquatand glyphosateammonium saltcan beconsidered suitableripening agents formechanizedflax harvesting. Thisstudyprovidesascientificbasis forripeningtechnologyinflaxmechanizationandofersanewperspectiveforupgradingoil crop harvesting technology in China.

KeyWords：Linum usitatissimum L.; Chemical ripening agent; Maturity uniformity; Yield

胡麻（LinumusitatissimumL.）是我国西北地区重要的油料作物，籽粒富含亚麻酸，具有较高的营养和经济价值。（剩余5707字）