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首页> 外文期刊>Cotton Reseach Journal >Influence of Storage Temperature and Seed Treatments on Viability of Cotton Seed (Gossypium hirsutum L.)
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Influence of Storage Temperature and Seed Treatments on Viability of Cotton Seed (Gossypium hirsutum L.)

机译：贮藏温度和种子处理对棉籽生存能力的影响

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The study conducted to investigate the influence of storage temperature and seed treatments on viability of cotton cv. LRA5166 under storage, revealed that germination, seedling root and shoot length, dry matter and vigour index decreased with advancement in storage period. However, the magnitude of decrease was noted less in seeds treated with carrier based cultures of Pseudomonas fluorescence, Trichoderma viride or carbendazim, than untreated seeds at each level of storage temperature. The seeds stored at -32°C maintained seed viability 15%, significantly higher across ambient storage observed for 16 months. Among seed treatments Pseudomonas fluorescence @ 4g kg ' and carbendazim treatment @ 2 g kg ' maintained significantly high seed viability throughout the storage period. Seeds treated with Trichoderma viridie @ 4g kg ’ of seed recorded the viability of 81 % which was on par with Psuedomonas fluorescence @ 4g kg ' (80%) but significantly superior to untreated seeds. At -32°C storage environment the initial population of 32 xlO^cfu of Trichoderma viridie was reduced to 5.5 xlO^cfu after six months and further reduced to 7.5 x lO'cfu after sixteen months. On the other hand population of 96 x lO^cfu Pseudomonas fluorescence stored at -32°C and 5°C could not be traced after six months. However, significantly less viability was detected at 20°C and ambient storage. The interactive effect of storage temperature and seed treatments was not significant. Similar observation was recorded for root growth, shoot growth and dry matter of seedling. However, seedling vigour was noticed significantly high at the storage environment of 20°C.
机译：该研究旨在研究贮藏温度和种子处理对棉花简历生存能力的影响。 LRA5166在贮藏过程中，随着贮藏期的延长，发芽，幼苗根和茎长，干物质和活力指数均降低。但是，在每种储存温度下，与未经处理的种子相比，用假单胞菌荧光，木霉或多菌灵的基于载体的培养物处理的种子减少的幅度要小。在-32°C下储存的种子保持了15％的种子活力，在16个月的环境中观察到的种子活力更高。在种子处理过程中，假单胞菌荧光@ 4 g kg'和多菌灵处理@ 2 g kg'在整个存储期间保持了很高的种子活力。经木霉菌绿色素@ 4g kg′处理的种子的活力为81％，与Psuedomonas荧光@ 4g kg′（80％）相当，但明显优于未经处理的种子。在-32℃的存储环境下，六个木霉的木霉的最初种群32×10 6 cfu在六个月后减少到5.5×10 6 cfu，并且在十六个月后进一步减少到7.5×10 6 cfu。另一方面，六个月后无法追踪到储存在-32°C和5°C的96 x 10 ^ cfu假单胞菌荧光。但是，在20°C和环境温度下检测到的活力明显不足。贮藏温度和种子处理的交互作用并不显着。对根的生长，苗的生长和幼苗的干物质也进行了类似的观察。但是，在20°C的储存环境中，幼苗活力显着提高。

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