Special growth regulating agent for jatropha and application thereof
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A growth regulator, tung seed technology, applied in plant growth regulators, plant growth regulators, applications, etc., can solve problems such as unsatisfactory actual effects, achieve the effects of inducing bud formation, good application prospects, and significant economic benefits
Inactive Publication Date: 2010-07-14
XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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The general practice is to carry out vegetative propagation by selecting excellent single plants, in order to obtain new varieties with high proportion of female flowers and large number of fruits, but the actual effect is not ideal
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Embodiment 1
[0030] A special growth regulator for Jatropha was prepared. First, 1 gram of 6-benzylaminopurine was dissolved in 5 milliliters of 1M sodium hydroxide solution, then diluted with distilled water to form a 25mg / mL mother liquor, and 16mL mother liquor, 10mL Tween 20 and 19.974L distilled water were mixed evenly to obtain 6 -The concentration of benzylaminopurine is a special growth regulator for Jatropha jatropha of 20 mg / L.
Embodiment 2
[0032] Repeat Example 1, but with the following differences: 32mL mother liquor, 10mL Tween 20 and 19.958L distilled water are mixed uniformly to obtain the special growth regulator of Jatropha jatropha with 6-benzylaminopurine concentration of 40mg / L.
Embodiment 3
[0034] Repeat Example 1, but with the following differences: 64mL mother liquor, 10mL Tween 20 and 19.926L distilled water are mixed uniformly to obtain a jatropha special-purpose growth regulator of 80mg / L with a 6-benzylaminopurine concentration.
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Abstract
The invention discloses a special growth regulating agent for jatropha and application thereof. The growth regulating agent is prepared according to the following steps: dissolving cytokinin into a sodium hydroxide solution; then, using distilled water for diluting the solution into mother liquid with the cytokinin concentration between 0.02 mg/mL and 100 mg/mL; and uniformly mixing 2 to 9999 parts of mother liquid, 1 to 10 parts of surface active agents and 0 to 9997 parts of distilled water to obtain the growth regulating agent. The growth regulating agent is uniformly sprayed on the jatropha whole strain until liquid drops drip down before or after 10 days of the occurrence of the blossom buds. After the growth regulating agent is sprayed on the jatropha plants for 1 to 3 times during each flowering period, the generated total flower number, the female flower proportion, the fruit number and the seed yield are respectively 3.6 times, 4.3 times, 4.5 times and 3.9 times of those of untreated jatropha. At the same time, the oil content of the seed is also improved from 31.67 percent to 34.76 percent, and is improved by about 9.8 percent. The invention has the advantages of simple and convenient operation, low cost and obvious economic benefit, and has good application prospects.
Description
technical field [0001] The invention belongs to the technical field of plant growth regulation, and in particular relates to a special growth regulator for jatropha. Meanwhile, the present invention also relates to the specific application of the growth regulator. Background technique [0002] Jatropha curcas L., also known as tung tree, jatropha curcas (Jatropha curcas), tung tree, etc., belongs to the shrubs or small trees of the genus Jatropha in the family Euphorbiaceae. 2-5 meters high, with watery sap, smooth bark; branches pale gray, glabrous, sparsely protruding lenticels, large pith. Leaves are papery, nearly round to oval, 7-18 cm long, 6-16 cm wide, shortly pointed at the top, heart-shaped at the base, entire or 3-5 lobed, bright green above, glabrous, gray below Green, initially softly pilose along veins, then glabrous; palmate veins 5-7; petiole 6-18 cm long; stipules small. Inflorescences axillary, 6-10 cm long, bracts lanceolate, 4-8 mm long; flowers unisex...
Claims
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