Using rootstock to increase watermelon fruit yield and quality at low potassium supply: A comprehensive analysis from agronomic, physiological and transcriptional perspective

Zhong, Yaqin; Chen, Chen; Nawaz, Muhammad Azher; Jiao, Yanyan; Zheng, Zhuhua; Shi, Xianming; Xie, Weiyan; Yu, Yigeng; Guo, Jia; Zhu, Shunhua; Xie, Min; Kong, Qiusheng; Cheng, Fei; Bie, Zhilong; Huang, Yuan

doi:10.1016/j.scienta.2018.06.091

Cited by 22 publications

(13 citation statements)

References 44 publications

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“…DK stress can indirectly affect photosynthesis by affecting the transport of photosynthetic products. Research by Zhong et al [ 50 ] showed that DK stress reduced the yield of grafted watermelon, which was manifested by a decrease in the weight of each fruit, and the total soluble solids, sucrose, total soluble sugar, vitamin C, lycopene, and β-carotene in the fruit. DK mainly affects watermelon fruit quality through metabolic processes and pathways.…”

Section: Discussionmentioning

confidence: 99%

“…DK mainly affects watermelon fruit quality through metabolic processes and pathways. Among them, the K channel gene Cla020934 and the lycopene synthesis gene Cla009122 are significantly down-regulated, indicating that DK affects watermelon fruit quality at the transcription level [ 50 ]. Tomato fruit quality is also affected by K because the early response to K deficiency is related to the decrease in photosynthesis rate and the transport of assimilate from the source leaves [ 51 ].…”

Section: Discussionmentioning

confidence: 99%

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Vitamin E Is Superior to Vitamin C in Delaying Seedling Senescence and Improving Resistance in Arabidopsis Deficient in Macro-Elements

Zhang

Yang

Zheng

et al. 2020

IJMS

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Nitrogen (N), phosphorus (P), and potassium (K) are three essential macro-elements for plant growth and development. Used to improve yield in agricultural production, the excessive use of chemical fertilizers often leads to increased production costs and ecological environmental pollution. Vitamins C and E are antioxidants that play an important role in alleviating abiotic stress. However, there are few studies on alleviating oxidative stress caused by macro-element deficiency. Here, we used Arabidopsis vitamin E synthesis-deficient mutant vte4 and vitamin C synthesis-deficient mutant vtc1 on which exogenous vitamin E and vitamin C, respectively, were applied at the bolting stage. In the deficiency of macro-elements, the Arabidopsis chlorophyll content decreased, malondialdehyde (MDA) content and relative electric conductivity increased, and reactive oxygen species (ROS) accumulated. The mutants vtc1 and vte4 are more severely stressed than the wild-type plants. Adding exogenous vitamin E was found to better alleviate stress than adding vitamin C. Vitamin C barely affected and vitamin E significantly inhibited the synthesis of ethylene (ETH) and jasmonic acid (JA) genes, thereby reducing the accumulation of ETH and JA that alleviated the senescence caused by macro-element deficiency at the later stage of bolting in Arabidopsis. A deficiency of macro-elements also reduced the yield and germination rate of the seeds, which were more apparent in vtc1 and vte4, and adding exogenous vitamin C and vitamin E, respectively, could restore them. This study reported, for the first time, that vitamin E is better than vitamin C in delaying seedling senescence caused by macro-element deficiency in Arabidopsis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Vitamin E Is Superior to Vitamin C in Delaying Seedling Senescence and Improving Resistance in Arabidopsis Deficient in Macro-Elements

Zhang

Yang

Zheng

et al. 2020

IJMS

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“…Rootstock: scion graft combinations and compatibility of genetically diverse bottle gourd and sweet watermelon genetic resources are yet to be determined for improving fruit yield and quality of grafted watermelon for commercial production. Some bottle gourd rootstocks currently used for grafted watermelon in various countries such as the USA and China include Coloso, Emphasis, Macis, Skopje, Fr Gold, Jingxinzhen no.1, WMXP3938 and WMXP3945 Thies et al, 2010;Keinath and Hassell, 2014;Zhong et al, 2018).…”

Section: Biotic Stress Tolerancementioning

confidence: 99%

Progress on Genetic Improvement and Analysis of Bottle Gourd [Lagenaria siceraria (Molina) Standl.] for Agronomic Traits, Nutrient Compositions, and Stress Tolerance: A Review

Mkhize

Mashilo

Shimelis

2021

Front. Sustain. Food Syst.

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Bottle gourd [Lagenaria siceraria (Molina) Standl.] is an important multi-purpose cucurbit crop grown for its leaf, fruit, and seed. It is widely cultivated and used for human consumption in sub-Saharan Africa (SSA) providing vital human nutrition and serving as food security crop. There is wide genetic variation among bottle gourd genetic resources in Africa for diverse qualitative and quantitative attributes for effective variety design, product development, and marketing. However, the crop is under- researched and -utilized, and improved varieties are yet to be developed and commercialized in the region. Therefore, the objective of this review is to provide the progress on bottle gourd genetic improvement and genetic analysis targeting agronomic and horticultural attributes, nutritional composition, biotic, and abiotic stress tolerance to guide current and future cultivar development, germplasm access, and conservation in SSA. The first section of the paper presents progress on breeding of bottle gourd for horticultural traits, agronomic performance, nutritional and anti-nutritional composition, and biotic and abiotic stress tolerance. This is followed by important highlights on key genetic resources of cultivated and wild bottle gourd for demand driven breeding. Lastly, the review summaries advances in bottle gourd genomics, genetic engineering and genome editing. Information presented in this paper should aid bottle gourd breeders and agronomists to develop and deploy new generation and promising varieties with farmer- and market -preferred attributes.

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“…Vegetable grafting is extensively used today in agricultural production to control soil-borne pathogens (Yetisir et al, 2003; Thies et al, 2016), tolerance to salinity (Yang et al, 2013), suboptimal temperatures (Li et al, 2014; Yang et al, 2016), and mineral deficiency (Nawaz et al, 2017). Commercial vegetable grafting is mainly practiced in Cucurbitaceae and Solanaceae species, among them watermelon has the highest grafting proportion, more than 40% of watermelon plants are grafted in China (Zhong et al, 2018). Although grafting plays a central role in successful production of vegetables, however, the survival of grafted seedlings largely depends on successful graft formation.…”

Section: Introductionmentioning

confidence: 99%

A method for simultaneously monitoring phloem and xylem reconnections in grafted watermelon seedlings

Wei

Xiong

et al. 2021

Preprint

Self Cite

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Grafting is an effective way to increase watermelon tolerance to biotic and abiotic stresses. However, the survival of grafted seedlings largely depends on successful graft formation. Therefore, understanding the graft formation process, particularly the vascular reconnection process is of critical importance. This study found that lignin in watermelon stem shows strong auto-fluorescence under blue-light excitation which makes blue-light excited fluorescent tracers (FTs) such as 5(6)-carboxy fluorescein diacetate (CFDA) become unsuitable for assaying vascular connectivity in watermelon. In contrast, UV-light excited esculin and red-light excited acid fuchsin were proved to be efficient FTs for monitoring the phloem and xylem connectivity, respectively, in self-grafted watermelon. Furthermore, a combined application of esculin to the scion cotyledon and acid fuchsin to the rootstock root enabled simultaneous monitoring of the phloem and xylem connectivity in individual self-grafted watermelon seedlings. In addition, this method is also applicable in investigating the phloem and xylem reconnections in self-grafted melon and cucumber, and heterograft of watermelon, melon and cucumber onto pumpkin rootstock. Based on this established method, we found that phloem and xylem reconnections are not timely separated in self-grafted watermelon. Furthermore, low temperature and removal of the rootstock cotyledons both delayed the vascular reconnection process in watermelon. In conclusion, this new method provides a convenient, accurate and rapid way to analyze the vascular connectivity not only in watermelon, but also in other cucurbit crops.

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Using rootstock to increase watermelon fruit yield and quality at low potassium supply: A comprehensive analysis from agronomic, physiological and transcriptional perspective

Cited by 22 publications

References 44 publications

Vitamin E Is Superior to Vitamin C in Delaying Seedling Senescence and Improving Resistance in Arabidopsis Deficient in Macro-Elements

Vitamin E Is Superior to Vitamin C in Delaying Seedling Senescence and Improving Resistance in Arabidopsis Deficient in Macro-Elements

Progress on Genetic Improvement and Analysis of Bottle Gourd [Lagenaria siceraria (Molina) Standl.] for Agronomic Traits, Nutrient Compositions, and Stress Tolerance: A Review

A method for simultaneously monitoring phloem and xylem reconnections in grafted watermelon seedlings

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