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Mitigation of alternate bearing

A composition, technology of crops, applied in the promotion, natural metabolites, composition in the field of time, able to solve the problem of loss of market share, damage to the development of value-added products or sustainability, lack of

Active Publication Date: 2013-01-09
RGT UNIV OF CALIFORNIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a harvest crop year, the yield of small fruits with reduced market value is higher, while in a non-harvest crop year, the size of the fruits is larger, but the fruits are too few to provide a good income to the grower after covering the cost of production.
This leads to price instability, repeated annual tax returns for producers, and possible loss of market share
Furthermore, the absence of crops during non-harvest crop years can impair the development or sustainability of value-added products industries

Method used

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  • Mitigation of alternate bearing
  • Mitigation of alternate bearing
  • Mitigation of alternate bearing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] Adenosine administered by trunk injection alleviates alternate-year fruiting in orange trees

[0074] This example describes the alleviation of alternate-year fruiting in "Nules" clementine trees by trunk injection of adenosine in a composition comprising the auxin inhibitor TIBA. Harvested crop "Nules" clementine trees received trunk injections of the following compounds listed in Table 1-1 alone or in combination with TIBA: TIBA (2,3,5-triiodobenzoic acid) (Sigma Chemical) ; 6-BA (6-benzyladenine) (Sigma Chemical); GA 3 (PROGIBB(R) 40%, Valent Biosciences Corp.); and Ado(9-β-D-adenosine) (Sigma Chemical, Cat. No. A9251). For each application, two plastic syringes per tree were used to feed each material at a rate of 1 g / tree dissolved in 50-60 ml distilled water. Application was timed to (1) stimulate summer shoot growth by overcoming associated inhibition (July) and (2) overcome inhibition of spring bud germination (January). Therefore, treat the tree in July alo...

Embodiment 2

[0080] Adenosine given through trunk injections alleviates alternate-year fruiting in avocado trees

[0081] This example describes the alleviation of alternate-year fruiting in "Hass" avocado trees by trunk injection of adenosine and plant growth regulators. In mid-January, the following treatments (1 g / tree) were injected into the trunks of harvested crop "Hass" avocado trees in a commercial orchard in Irvine, CA: (1) 9-β-D-adenosine (Sigma Chemical, No. A9251); (2) 6-BA (Sigma Chemical); (3) GA 3 (PROGIBB(R) 40%, Valent Biosciences Corp.); (4) TIBA (Sigma Chemical); and (5) TIBA + adenosine. Each material was fed at a ratio of 1 g / tree dissolved in 50-60 ml distilled water using two plastic syringes per tree. Each treatment had replicates of 5 individual trees, including (6) untreated harvested crop control trees. For each tree, in each of the quarter circles of the four trees, 1 branch (12 inches long) with fruit and 1 branch without fruit was marked. During spring flo...

Embodiment 3

[0087] Adenosine administration by foliar sprays increases production of marketable large fruit in alternate-bearing mandarin trees

[0088] This example describes the increased production of commercially-valuable large-sized fruit obtained in alternate-bearing clementines by canopy application of adenosine. In this example, evidence is provided that application of adenosine as a canopy spray to stimulate growth of vegetative shoots in summer also improves fruit size and commercially valuable fruit during the mitigation of alternate-year fruiting. The yield increases, thereby alleviating the problem of small fruit size closely related to harvesting crop fruits. "Fina Sodea" clementine trees were given a single application of adenosine (9 -β-D-adenosine), wherein the maximum peel thickness marks the end of the cell division stage of citrus fruit development. As shown in Table 3-1 below, the application of adenosine significantly increased the fruit diameter of the 3-year cumu...

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Abstract

Described are compositions and methods to mitigate alternate bearing of perennial crops by use of a natural metabolite. In particular, the present disclosure provides a natural metabolite in the presence or absence of an auxin transport inhibitor to increase floral intensity (flower number) of the return bloom in the spring following the setting of a heavy on-crop to increase the yield of the putative off-crop year and, thus, increase cumulative crop yield. Additionally the present disclosure provides a natural metabolite in combination with one or both of a growth promoting type of plant growth regulator, and a hormone biosynthesis, transport or function inhibiting type of plant growth regulator.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 USC 119(e) to US Provisional Patent Application No. 61 / 290,470, filed December 28, 2009, which is hereby incorporated by reference in its entirety for all purposes. [0003] The present invention describes compositions and methods for alleviating alternate bearing in perennial crops through the use of natural metabolites. Specifically, the present disclosure provides natural metabolites in the presence or absence of auxin transport inhibitors, thereby increasing the floral density (number of flowers) of the previous year's flowers in the spring following a bumper crop harvest background, thereby increasing putative of non-harvested crop years and thereby increase cumulative crop yields. In addition, the present disclosure provides natural metabolites in combination with one or more of growth-promoting types of plant growth regulators and types of plant growth regulators that inhib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N57/16A01N43/08A01P21/00C05B21/00
CPCC05B15/00C05F11/10A01N43/90A01N57/16A01N31/02A01N37/10A01N37/30A01N37/44A01N43/12A01N43/16A01N43/40A01N45/00A01N45/02A01N47/36A01N2300/00
Inventor C·J·洛瓦特
Owner RGT UNIV OF CALIFORNIA
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