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  • code Mepiquat Chloride--Plant Growth Retarder

Mepiquat Chloride--Plant Growth Retarder

The effects of mepiquat chloride on crop growth are as follows:

(1) Control the growth of crops

Spray 50-200 mg/L mepiquat chloride each time during cotton primary, full and topping stages can inhibit the excessive growth of cotton stem and leaf, improve the function of leaf and root system, and distribute more nutrients to cotton buds and bolls; It can change the plant type of cotton, increase the ventilation and light transmission ability of cotton field, and improve the "small environment" of cotton boll growth and development.


The plant height of tomato can be reduced by spraying 100mg/L evenly from flowering to fruiting stage.


Spraying cucumber and watermelon with 100mg/L in the whole plant from flowering to fruiting stage can inhibit the vigorous growth of the vine.


The growth of peanut can be controlled by spraying 100-150mg/L of peanut leaves in the early stage of needle insertion.


The vigorous growth of potato plants could be controlled by spraying 200-300mg/L leaves from bud stage to flowering stage.


When the vine grows to 0.5-1 m, spraying wine on the leaves of 100-150 mg/L can inhibit the growth of nutrition and control the length of the vine.


Spraying soybean, mung bean and cowpea with 100-200mg/L on leaf surface from flowering to podding can effectively inhibit plant height.


The most effective way to increase the root weight and reduce the overwintering shoots was to spray 400mg/L mepiquat chloride on the mature boxwood.


Use 250mg/L mepiquat chloride to treat Festuca arundinacea had obvious inhibitory effect on plant height and pruning amount, as well as promoting its diversity and density.


In the growing season of Korla pear, spraying mepiquat chloride not only effectively control the growth of new shoots, but also inhibit the growth of Wangxiang pear. The fruiting branches were relatively strong and compact.


(2) Promote fruit setting and increase yield

Spray 100-200mg/L evenly at the initial flowering stage which can promote the growth, development and competitiveness of cotton bolls, showing like less shedding, faster boll formation and larger bolls. Mepiquat chloride can regulate the development and function of roots, stems, leaves, buds, flowers, bolls and other organs of cotton. It can also increase the fiber yield, improve the quality and increase the planting efficiency of cotton.


When corn is sprayed with 200-300mg/L on leaves at the big bell mouth, it can control the vigorous growth, increase the fruit growth, reduce the baldness and increase the yield.


Spraying apple with 100-300mg/L on leaf before and after flowering can prevent falling flowers, promote fruit setting and increase yield.


Spraying hawthorn leaves with 100-300mg/L before and after flowering can promote fruit setting and increase yield.


Before and after flowering, the leaves of grape were sprayed with 100~300mg/L to promote fruit setting and yield increase.


Spraying peanut with 100-150mg/L on leaf surface in the early stage of needle insertion can promote reproductive growth and significantly increase yield.


Spraying with 200-300mg/L on leaf from the bud stage to the flowering stage of horse bells can control the vegetative growth, promote the reproductive growth and increase the yield significantly.


When the vines grow to 0.5-1 m, spraying with 100-150mg/L on leaves, which can control the vegetative growth, promote the reproductive growth and increase the yield.


Spraying soybean, mung bean and red bean with100-200mg/L on leaf from flowering to podding can promote podding and increase yield.


From flowering to fruiting, 100mg/L spraying can increase fruit weight, yield and sugar content.


Spraying 100mg/L on cucumber and watermelon whole plant from flowering to fruiting stage can promote fruit setting, increase yield and improve quality.


(3) Enhance the resistance of plants

Cotton, it can reduce the occurrence or harm of Fusarium wilt, Verticillium wilt, cotton bollworm and other diseases and insect pests to a certain extent, and enhance the plant resistance.


Spraying 300-500mg/L on tomato leaves at seedling stage can strengthen seedlings and improve cold resistance.


(4) Promote the increase of chlorophyll

High oil corn can increase its chlorophyll content, net photosynthetic rate, stomatal conductance, water use efficiency, improve photosynthetic performance, and accumulate more photosynthetic products by soaking seeds with Paclobutrazol 100mg/L + pycnomide 300mg/L or spraying at jointing stage.


(5) Increase seed germination rate

Dressing cotton seeds with 0.3%-0.5% pythamine can promote seed germination, increase seed germination rate, early emergence, full seedling, and promote root growth of seedlings.


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