Institute of Vegetables, Anhui Academy of Agricultural Sciences, Heifei, Anhui, China.
Blueberry Engineering Technology Research Center of Anhui, School of Biology and Food Engineering, HeFei Normal University, Hefei, Anhui, China.
PeerJ. 2024 Jun 28;12:e17587. doi: 10.7717/peerj.17587. eCollection 2024.
Watermelon is commonly affected by Fusarium wilt in a monoculture cropping system. Wheat intercropping alleviates the affection of Fusarium wilt of watermelon. The objective of this study was to determine the effects of wheat and watermelon intercropping on watermelon growth and Fusarium wilt. Our results showed that wheat and watermelon intercropping promoted growth, increased chlorophyll content, and photosynthesis of watermelon. Meanwhile, wheat and watermelon intercropping inhibited watermelon Fusarium wilt occurrence, decreased spore numbers, increased root vigor, increased antioxidant enzyme activities, and decreased malondialdehyde (MDA) content in watermelon roots. Additionally, wheat and watermelon intercropping enhanced the bacterial colonies and total microbes growth in soil, decreased fungi and f. sp. (FON) colonies, and increased soil enzyme activities in watermelon rhizosphere soil. Our results indicated that wheat and watermelon intercropping enhanced watermelon growth and decreased the incidence of Fusarium wilt in watermelon. These effects could be due to intercropping inducing physiological changes, regulating soil enzyme activities, and/or modulating soil microbial communities.
西瓜在单一作物种植系统中通常容易受到枯萎病的影响。小麦间作对西瓜枯萎病的发生有缓解作用。本研究旨在确定小麦和西瓜间作对西瓜生长和枯萎病的影响。我们的结果表明，小麦和西瓜间作促进了西瓜的生长，增加了西瓜的叶绿素含量和光合作用。同时，小麦和西瓜间作对西瓜枯萎病的发生有抑制作用，减少了孢子数量，增加了根系活力，提高了抗氧化酶活性，降低了西瓜根系中丙二醛（MDA）的含量。此外，小麦和西瓜间作增强了土壤中细菌和总微生物的生长，减少了真菌和尖孢镰刀菌（FON）的数量，并增加了西瓜根际土壤中土壤酶的活性。我们的结果表明，小麦和西瓜间作促进了西瓜的生长，降低了西瓜枯萎病的发病率。这些效果可能是由于间作诱导了生理变化、调节了土壤酶活性和/或调节了土壤微生物群落。
