Plant Extract has been classified to two types by extraction methods including the standard plant extract and ratio extract in china local market. If we want to distinguish between the two types ,we can see from the ingredients that we should pay attention to. The standard plant extract will be tested of its special ingredients that in the product maybe by HPLC, UV, TLC etc,but for the ratio extract,we don't pay attention to the special ingredients that in it or not,not to mention the purity of one ingredient.if you still confused about the cllasfication,pls contact us to know more.
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Causes and Control Methods of Small Grapes Production
Grapes are formed as a result of seed abortion. In general, the number of mature small granule seeds is equal to the number of large granule seeds, but the small material seeds are all in the young stage, small and non-human. If there is a mature seed in the fruit, the fruit can be slightly larger; when there are 2 mature seeds, the fruit can grow into a medium size; when there are 3 mature seeds, it can develop into normal large particles. fruit. The following points can prevent the grapes from producing small particles: 1. Strengthen the management of fertilizer and water during flowering to ensure that the “critical period of fruit setting nutrition†and the “critical period of seed development and nutrition†after the flowering have sufficient nutrients. 2. In the early flowering period to the full flowering period of grapes, spray 0.2% borax solution once every 7 days, spray 2-3 times, promote pollen tube germination and increase fertilization rate. 3, strengthen the summer cut. From the beginning of flowering to the full flowering stage, the result of the branch was topping and removing all the lateral side shoots, leaving only one tip at the top, and then leaving 1-2 leaves for the tip of the top tip after 7 days. If it sprouts 2 times, it will be timely. Erase. 4, artificial axillary spike. 1/5-1/4 of spikes were removed 2-3 days before flowering. This measure has obvious effects on the rose and new rose varieties, with high spike rate and large spikes.