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Plant growth regulator application in potato production


Gibberellin Treatment 5 ~ l0 minutes. Cut germination, the concentration of l ~ 3mg/kg, soaked out, the cut surface up,[link widoczny dla zalogowanych], to dry the surface water to sow. However, if the seed has ring rot, bacterial wilt, or late blight, to prevent spread of disease to each other, not soaking germination. In addition, 1-4 weeks before harvest, with l0 ~ 50mg/kg GA solution spraying the whole plant, harvested as seed germination, also has to promote its role. 2 strong elements in the CCC and to help budding stage to early flowering plants, the use of 2000 ~ 2500mg/kg CCC solution was sprayed, each 667m with 50kg, can shoot growth robust to avoid excessive growth, and to early tuber formation, increasing the proportion of large tubers, to increase production. Bud stage to flowering in potato,[link widoczny dla zalogowanych], foliar spraying 60 ~ 120mg/kg help Zhuang Su (bud stage when the concentration was low using the limit),[link widoczny dla zalogowanych], can inhibit the growth of aerial parts of plants, increase production, increase the proportion of medium-sized potato. 3ABT rooting powder before planting solution with l0 ~ 15mg/kgABT5 No. dip potato species of 0.5 ~ l hours to dry out after planting, can promote seed germination, promotion of tuber expansion. 50g tuber weight will be about the kind of cut into pieces, placed in a cool dry place to dry 5 to 7 days, the potato water loss of about 10%. Then soaked in solution No. l0 ~ 15mg/kgABT6-8 l ~ 2 hours, remove and drain, the conventional method of germination by sowing and field management, high germination rate, seedling root early and more long, branching vine seedlings more , color green, tuber early, large tubers, an increase of 20% to 50%. Use should be preceded by a large area to do a small amount of trials to determine the best dosage and the best use of concentration, I think one of the ABT8 No. l0 ~ 15mg/kg best solution, the use of concentration is not too high or too low,[link widoczny dla zalogowanych], or do not yield results obvious. 45,406 cytokines Wang Di Xuan, Wu Yanmei, Heshan District of Yiyang City in Hunan Province Bureau of vegetables, Zip 4130o2 Received: 20o7 a l1-20 cytokine with l000mg/kg of 5406 kinds of potato soaked 8 hours, or at the flowering stage with l500mg/kg liquid sprayed stems and leaves, can increase the chlorophyll content, increased disease resistance, cold tolerance, increased yield. 5 ethephon chocolate spot disease of potato is a potato-producing areas of common diseases, symptoms are brown spots on the tubers can be planted in potatoes after 5 weeks, spray foliage with 200-600mg/kg ethephon solution, to control the spread of the disease occurred. 6 paclobutrazol and uniconazole when the potato plant height 25-30cm, with 150 ~ 200mg/kg paclobutrazol foliar spray solution for every 667m with 50kg, leggy stems and leaves can be controlled. In the late tuber potato growth period, 100mg/kg paclobutrazol spray liquid per 667m 50kg, can promote tuber enlargement, increase the proportion of medium-sized potato, to increase production. Concentration before use to pay attention to the choice of dosage is not too large, so as not to affect the succeeding crop. Uniconazole solution with 30-70mg/kg flowering in potato (ie, when the tuber expanding) to foliar sprays, can make vine internode shortening, dark green leaf color, shoot growth delay,[link widoczny dla zalogowanych], underground tuber to speed up and increase tuber number. Methyl 7-yi single potato tubers during storage, available instrument of a Methyl inhibited the germination of potato tubers. Generally 3.5% ct of a Methyl fine clay mixed with 96.5% as a diluent made of powder, sprinkle on potato. Potato tubers per l000kg 3kg powder application, processing potato tubers to sprout before the election, not through the applicator dormant tubers. Spraying powder to be evenly distributed as possible, preferably layered powder, each ply l0 ~ 12em. 0.25mm multi-mesh powder of the duster. To avoid the potato pile after dusting the top with water vapor, can cover the aspartate and so on. This method will generally be fresh potatoes for 1 year. 8 fresh green pigment in 2 to 3 weeks before harvest, with 25% of the young prime l of fresh water were 70 to 90, in growing hi-potato-chip spraying, can inhibit the germination of potato. Spraying too early or too late, efficacy is not obvious. According to another experiment, fresh green pigment in the spring and 48 hours on the potato leaves, potato leaves fall on the need for 72 hours to be absorbed, so in case of rain after application should be re-spraying.
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