How to rationally choose different vegetable hormones for vegetables
All kinds of phytohormones play an active role in promoting rooting of vegetables, preventing plant growth, dwarfing plant shape, preventing flowering and fruiting, forming seedless fruits, controlling flower gender conversion, and increasing yield. They should use different plants according to their purposes. hormone.
Transplanting roots are selected from indole acetic acid and naphthalene acetic acid compounds, the concentration of 1000--2000PPM, mainly for cabbage, Chinese cabbage and other roots and tomato, leeks and other vegetables dipping strips, medlar root rapid use Dipping is generally 15 minutes.
Promote the use of gibberellin to increase production. Due to the different crops and different concentrations, spinach in the 4--6 leaves with 20PPM solution spraying the whole plant to promote leaf hypertrophy; celery 15-20 days before harvest with 50--100PPM spray stems and leaves 2 times, each separated by 10 Days, stems and tender fiber less; melons in the melon grow to about 11cm with 20--60PPM solution jet baby melon, accelerating the body to accelerate the expansion.
Bao Hua Bao fruit selection of 2,4--D anti-dropping factor. Mainly used in sheds. The concentration is: tomato 15-25PPM, zucchini, eggplant, pepper 20--30PPM. In the operation, the concentration of the liquid is required to be quasi-standard, red pigment should be added in the liquid to ensure that the silk flower is not heavy and does not leak; when the temperature is low, the high limit concentration is used, and when the temperature is high, the low limit concentration is used.
Stagnant promotes strong use of chlormequat. Seedlings were treated with CMC, 250--300PPM soil for seedbeds, 15 kg/100 m2 solution, and 600 kg of CMC solution per mus of 50 kg per acre at the seedling stage.
Evoked females to use ethephon. Cucumbers were sprayed with 20--50PPM ethephon solution to induce the increase of female flowers when the cucumbers were in 2- to 4-leaf leaves; tomatoes were soaked in 2000--3000PPM solution for 1 hour in the early stage of coloring, and 5-7 days in advance. Cooked, favorable long-distance transportation sales.
Storage quality choose 2,4--D. Chinese cabbage was sprayed with 2,4--D anti-decorin 50PPM solution for 3-7 days before harvesting. It was suitable for wet outer leaves to prevent detachment; cabbage was used with 100PPM 2,4-D sodium 7 days before harvest. The salt solution spray can extend the cold storage period for 90 days without leaving the outer leaves. The broccoli (cauliflower) sprays 100PPM 2,4-D sodium solution for 3 to 5 days before harvesting, and leaves the outer leaves of the cauliflower (do not spray on the cauliflower). Leaves protect cauliflower fresh time.
Because many hormones have a dual effect, they should master drug technology and use it rationally. To symptomatic selection of drugs, strictly control the use of concentration, timely use, reasonable preparation, reasonable mixing, scientific operation, in order to avoid causing undue losses.
Transplanting roots are selected from indole acetic acid and naphthalene acetic acid compounds, the concentration of 1000--2000PPM, mainly for cabbage, Chinese cabbage and other roots and tomato, leeks and other vegetables dipping strips, medlar root rapid use Dipping is generally 15 minutes.
Promote the use of gibberellin to increase production. Due to the different crops and different concentrations, spinach in the 4--6 leaves with 20PPM solution spraying the whole plant to promote leaf hypertrophy; celery 15-20 days before harvest with 50--100PPM spray stems and leaves 2 times, each separated by 10 Days, stems and tender fiber less; melons in the melon grow to about 11cm with 20--60PPM solution jet baby melon, accelerating the body to accelerate the expansion.
Bao Hua Bao fruit selection of 2,4--D anti-dropping factor. Mainly used in sheds. The concentration is: tomato 15-25PPM, zucchini, eggplant, pepper 20--30PPM. In the operation, the concentration of the liquid is required to be quasi-standard, red pigment should be added in the liquid to ensure that the silk flower is not heavy and does not leak; when the temperature is low, the high limit concentration is used, and when the temperature is high, the low limit concentration is used.
Stagnant promotes strong use of chlormequat. Seedlings were treated with CMC, 250--300PPM soil for seedbeds, 15 kg/100 m2 solution, and 600 kg of CMC solution per mus of 50 kg per acre at the seedling stage.
Evoked females to use ethephon. Cucumbers were sprayed with 20--50PPM ethephon solution to induce the increase of female flowers when the cucumbers were in 2- to 4-leaf leaves; tomatoes were soaked in 2000--3000PPM solution for 1 hour in the early stage of coloring, and 5-7 days in advance. Cooked, favorable long-distance transportation sales.
Storage quality choose 2,4--D. Chinese cabbage was sprayed with 2,4--D anti-decorin 50PPM solution for 3-7 days before harvesting. It was suitable for wet outer leaves to prevent detachment; cabbage was used with 100PPM 2,4-D sodium 7 days before harvest. The salt solution spray can extend the cold storage period for 90 days without leaving the outer leaves. The broccoli (cauliflower) sprays 100PPM 2,4-D sodium solution for 3 to 5 days before harvesting, and leaves the outer leaves of the cauliflower (do not spray on the cauliflower). Leaves protect cauliflower fresh time.
Because many hormones have a dual effect, they should master drug technology and use it rationally. To symptomatic selection of drugs, strictly control the use of concentration, timely use, reasonable preparation, reasonable mixing, scientific operation, in order to avoid causing undue losses.
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