Cheng, Fang published the artcileGarlic Allelochemical Diallyl Disulfide Alleviates Autotoxicity in the Root Exudates Caused by Long-Term Continuous Cropping of Tomato, Quality Control of 929-77-1, the main research area is garlic allelochem diallyl disulfide autotoxicity root exudate tomato; autotoxicity; diallyl disulfide; garlic; growth promotion; tomato root exudates.
Continuous cropping obstacles seriously affect the sustainable production of tomatoes (Solanum lycopersicum L.). Researchers have found that intercropping with garlic (Allium sativum L.) could alleviate tomato continuous cropping obstacles. Diallyl disulfide (DADS) is the main allelochem. in garlic. However, the mechanism of DADS in alleviating tomato continuous cropping obstacles is still unknown. In this research, aqueous extracts of tomato continuous cropping soil were used to simulate the continuous cropping condition of tomato. Our results showed that DADS increased root activity and chlorophyll content, improved the activity of antioxidant enzymes (SOD, POD and PAL) and the metabolism of non-enzymic antioxidants (GSH and GSSG) in tomato plants. DADS treatment reduced the content of fatty acid esters in tomato root exudates (e.g., palmitate Me ester, palmitoleic acid Me ester, oleic acid Me ester) and increased the level of substances such as di-Bu phthalate and 2,2′-methylenebis(6-tert-butyl-4-methylphenol). The higher concentrations of palmitate Me ester inhibited tomato hypocotyl growth, while oleic acid Me ester inhibited tomato root growth. Moreover, the application of DADS significantly inhibited the secretion of these esters in the root exudates. Therefore, it suggests that DADS may increase tomato resistance and promote tomato plant growth by increasing root activity, photosynthetic capacity and development to reduce autotoxicity of tomato.
Journal of Agricultural and Food Chemistry published new progress about Allelochemicals Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Quality Control of 929-77-1.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics