The selection of Phalaenopsis
How to choose an ideal Phalaenopsis? Generally speaking, the leaves are bright in color, with thickness, many leaves, and neatly arranged leaves. It also depends on whether the leaves are stiff and upward, because only in this way can we show whether its vitality is exuberant. If possible, it is best to gently pull out the flower root to have a look, the root is fresh, or there are sprouting new roots, the vitality of this kind of flower is reassuring. Secondly, look at the flowers, first look at the number of flowers, Phalaenopsis is graded according to the number of flowers, the more flowers, the better. The number of buds is between 8 and 11, which is grade A, 6 and 8, which is grade B, and below 6, which is grade C. The price difference between the three grades is 5-10 yuan, which fluctuates at 45 yuan, 35 yuan and 25 yuan respectively this year, while the price of super Phalaenopsis with more than 11 buds is even more expensive. Secondly, look at the size of the flower, that is, the so-called flower diameter, refers to the largest horizontal size of a flower when it is in full bloom. At present, it is not bad if the diameter of the butterfly orchid reaches 10 cm. If the flower diameter can reach 12 cm, the quality of the flower is undoubtedly very good. If you look at the flower pattern, the petals are compact and round. Finally, look at the color and thickness of the petals. At present, most people still prefer pink Phalaenopsis, and the deeper and brighter pink is, the more popular it is and the more expensive it is. No matter which color Phalaenopsis has thick petals. Good butterfly orchids are arranged neatly and orderly, all the flowers are facing in the same direction, and the posture is elegant. It should be noted that the above characteristics are aimed at the most common Phalaenopsis varieties in the market, while some special Phalaenopsis varieties do not blossom much, and the flower patterns and inflorescences are unconventional, so it is difficult to generalize the price. You have to ask separately when you buy it.
Buying Phalaenopsis should also pay attention to the fact that it is not necessarily a good thing to have two flower branches on one Phalaenopsis tree, because if the same nutrients supply one flower branch, the flowers will bloom bigger and more, and two branches will be supplied, and the flowers will often bloom small and few. However, if the foot divides two branches evenly at one end, the flowers bloom well, the ornamental effect is better, and the price will be more expensive. Phalaenopsis also has problems in the sale of other flowers, with wilting flowers and damaged leaves, merchants will pick them before selling, you can pay attention to, if the order of flowers or leaves is not natural, you should choose carefully. At present, Phalaenopsis on the market has both flowers and buds. Northern customers and people who buy Phalaenopsis for the first time suggest that it is best to buy more flowers but fewer buds, so as to avoid the lack of maintenance experience and prevent some buds from blooming.
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Prevention of "five pests" and "three seedlings" in cotton seedbed
The common problems in cotton nutrition bowl seedling bed are drought, stain, disease, fertilizer, medicine and frozen seedling, burning seedling and line seedling. First, to prevent the "five evils" 1. The water content on the bowl should be moderate. The nutrition bowl seedling bed should be selected in the place of drainage and irrigation, and the water content on the bowl should be dispersed when it falls to the ground by hand. 2. After cotton is sown and covered with soil. It is necessary to pour enough water at one time, and the water should be poured until it permeates slowly; 3, after covering the film, make sure that the moisture is sufficient, do not uncover the film at will, and make sure that the film is not removed until the seedling comes out; 4. Clear water and filtered water should be discharged around the seedling bed.
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Winter Management of Phalaenopsis
Phalaenopsis needs to be cultivated in high temperature greenhouse in winter in north China. In order to create suitable environmental conditions for the growth of Phalaenopsis, the following aspects should be done well: First, temperature: the appropriate temperature for the growth of Phalaenopsis is 25℃-30℃ during the day, more than 32℃, unfavorable for growth and flower bud differentiation, 18℃-20℃ at night, not lower than 15℃, if it has been maintained at a higher temperature, it is conducive to its flowering. Humidity: Phalaenopsis likes higher air humidity and should be kept at 70%-8 during growth.
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