COMPOSITIONS AND METHODS FOR CONTROLLING PLANT OR CROP SIZE IN A CONTROLLED ENVIRONMENT
The disclosure provides for compositions and methods of controlling and/or regulating plant size in a controlled environment, for example, a greenhouse or environment for the purpose of testing plants. In another aspect, the disclosure provides for methods of dwarfing plant growth by utilizing a composition or method described herein. The disclosure further provides for methods described herein wherein a plant growth regulator is used to stunt plant growth in order enable more consistent and/or accurate plant feature and property testing.
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2 . A method of testing herbicide tolerance in a plant, comprising:
(a) treating at least one plant or seed with at least one plant growth regulator;
(b) treating the at least one plant or seed with at least one herbicide; and
(c) testing herbicide tolerance in the at least one plant or seed.
3 . The method of claim 2 , wherein the plant or seed is corn, rice, sugarcane, cotton, sorghum, soybean, sugarbeet, canola, rapeseed, a fruit, citrus, okra, kiwifruit, strawberry, papaya, watermelon, tangerine, tangelos, orange, sweet orange, cantaloupe, melon, squash, lemon, lime, apple, mango, pear, passion fruit, apricot, cherry, peach, nectarine, almonds, or avocado.
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8 . The method of claim 2 , wherein the at least one plant growth regulator is selected from the group consisting of cyclanilide, ancymidol, flurprimidol, paclobutrazol, uniconazole, tetcyclacis, isopyrimol, mepiquat chloride, chlormequat chloride, inabenfide, XE-1019, daminozide, ethephon, dikegulac, maleic hydrazide, tiaojiean, piproctanyl bromide, dimethipin, endothall, paraquat dichloride, thidiazuron, p-chlorophenoxyisobutyric acid, and combinations thereof.
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17 . The method of claim 2 , wherein the plant or crop is not grown or evaluated in a field.
18 . The method of claim 2 , wherein the plant or crop is a transgenic plant or crop.
19 . The method of claim 2 , wherein the at least one plant growth regulator and the composition comprising at least one herbicide are concurrently applied to the at least one plant or seed.
20 . The method of claim 2 , wherein the at least one plant growth regulator is first applied to the at least one plant or seed, followed by the composition comprising at least one herbicide.
21 . The method of claim 2 , wherein the at least one herbicide is first applied to the at least one plant or seed, followed by the composition comprising at least one plant growth regulator.
22 . The method of claim 2 , wherein the at least one herbicide is glufosinate, glufosinate-ammonium, isoxaflutole, glyphosate, imazethapyr, thifensulfuron, atrazine, cyanazine, 2,4-D, dicamba, trifluralin, pendimethalin, metolachlor, simazine, propanil, acetochlor, tebuthiuron, methabenzthiazuron, amitrol, isouron, buthidazole, thiazafluron, aminopyralid, picloram, halauxifen-methyl, benazolin-ethyl, fenthiaprop-ethyl, mefenacet, azimsulfuron, difenzoquat, halosulfuron-methyl, metazachlor, pyroxasulfone, flucarbazone, mesotrione, tembotrione, bicyclopyrone, desmedipham, phenmedipham, hexazinone, metribuzin, pyrazon, bromacil, terbacil, prometryn, bentazon, bromoxynil, diuron, linuron, fluometuron, diquat, paraquat, pyrasulfotole, topramezone, clomazone, fluridone and/or indaziflam.
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86 . A method for evaluating herbicide tolerance comprising treating at least one plant or seed with at least one herbicide, wherein the at least one plant or seed is grown under a light intensity from 90 to 340 umol/M 2 seconds, or at a higher light intensity such as up to about 2000 μmol/M 2 seconds.
87 . The method according to claim 86 , wherein the at least one herbicide is glufosinate, glufosinate-ammonium, isoxaflutole, glyphosate, imazethapyr, thifensulfuron, atrazine, cyanazine, 2,4-D, dicamba, trifluralin, pendimethalin, metolachlor, simazine, propanil, acetochlor, tebuthiuron, methabenzthiazuron, amitrol, isouron, buthidazole, thiazafluron, aminopyralid, picloram, halauxifen-methyl, benazolin-ethyl, fenthiaprop-ethyl, mefenacet, azimsulfuron, difenzoquat, halosulfuron-methyl, metazachlor, pyroxasulfone, flucarbazone, mesotrione, tembotrione, bicyclopyrone, desmedipham, phenmedipham, hexazinone, metribuzin, pyrazon, bromacil, terbacil, prometryn, bentazon, bromoxynil, diuron, linuron, fluometuron, diquat, paraquat, pyrasulfotole, topramezone, clomazone, fluridone and/or indaziflam.
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90 . The method according to claim 86 , wherein the at least one plant or seed comprises a modified HPPD enzyme.
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92 . The method of claim 86 , wherein the at least one plant or seed is corn, rice, barley, sugarcane, cotton, sorghum, soybean, sugarbeet, canola, rapeseed, a fruit, citrus, okra, kiwifruit, strawberry, papaya, watermelon, tangerine, tangelos, orange, sweet orange, cantaloupe, melon, squash, lemon, lime, apple, mango, pear, passion fruit, apricot, cherry, peach, nectarine, almonds, or avocado.
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94 . A method for evaluating herbicide tolerance in a plant, comprising:
(a) applying to a plant or seed at least one herbicide,
(b) growing the plant in a location with light intensity of at least 25,000 lux for at least 16 hours per day, wherein said location is at a temperature from 22° C. to 30° C.;
(c) allowing the plant to grow until the unifoliate leaf growth stage; and
(d) evaluating the plant 5, 6, or 7 days after applying the at least one herbicide.
95 . The method of claim 94 , wherein the plant is a soybean plant.
96 . The method of claim 94 , wherein the at least one herbicide is glufosinate-ammonium.
97 . The method of claim 94 , wherein the at least one herbicide is applied to the whole plant by spraying.
98 . The method of claim 2 , wherein the plant or seed are treated with the plant growth regulator by soaking.
99 . The method of claim 2 , wherein the plant growth regulator is applied by drenching, watering with the compound, immersion of the soil or plant in plant growth regulator solution, or via a drip feed.
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101 . The method of claim 2 , wherein the concentration of the at least one plant growth regulator is between 0.5 and 500 ppm.
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