Study On Mini Potato Different Storage Method On Seed Vigor And Physical And Chemical Properties

Mini Potato energy problem has been the concern of many experts, the issue of Mini Potato vitality of thought is the origin and production of potato industry to promote the development of a practical need to use, control, seed vigor, in order to obtain high-quality micro-potato, to increase production purposes. In production practice, what kind of storage means storage of micro-potato potato species to ensure that seed vigor, so neat growing field production to guide the actual production. Seeds fall will lead to weak seedlings, seedlings and other results missing, but the growth of seed vigor on various other physiological and biochemical indicators of whether that plant will have an impact resistance, this is rarely reported. In this study, under different storage methods for the different varieties of potato micro-tubers used to study the different modes mini potato seed storage and plant physiological activity changes in results are as follows:1. Different storage methods on the two varieties of mini potato moisture content and large, three kinds of storage methods and water content were decreased to room temperature the most serious, and stored at low temperature when the highest seed vigor, from the micro-tubers under different storage conditions water content of view, cold conditions conducive to reducing the seed moisture loss and maintain the vitality of micro-tubers. So you can see the appropriate storage methods and temperature can increase the vitality of micro-tubers and aging ability.2. Micro-tubers of different storage methods on the field characters of greater impact, room temperature storage of potato under the apparent emergence of micro-slow, low temperature storage than the caches and emergence time of about 5 days later, slower growth rate early after emergence, plant height and aboveground biomass volume and low-temperature storage and caches significantly different, thus affecting the latter part of tuber growth, to deal with the differences between post-3 decreased. From the production perspective, LK99 and Longshu 3 at room temperature storage of two varieties of low temperature storage were cut 8.67% and9.46%, overall yield appears low temperature storage> caches> the law of room temperature storage.3. Mini potato seed vigor and seedling emergence and yield correlation analysis, results showed that seed vigor and yield (0.88675*), germination rate (0.96025*), height (0.8691*) and shoot dry weight (0.8302*) in there were significant positive correlation between the level of direct impact on seed vigor micro-potato growing and the final output of the field, that its field of high seed vigor vigor, high yield.4. At different growth stages on the two varieties were sampled and measured physiological activity of the experimental results show that significant differences in chlorophyll content, low temperature storage and room temperature storage cellars significant and, with the growth period passes, the three processing differences between decreases. Soluble sugar and MDA was no significant difference of two indices, the three deal with the general trend is the growth period with the passage of soluble sugar and MDA content increased. Peroxidase and polyphenol oxidase 3, no significant difference between treatments, superoxide dismutase apparent regularity: low temperature storage> cache of> room temperature storage.5. On the mini potato seed vigor index and a growth period of physiological correlation analysis showed that seed vigor index and chlorophyll, malondialdehyde and superoxide dismutase were significantly positively correlated with soluble sugar there were significant negative correlation.