scholarly journals 2022 Florida Blueberry Integrated Pest Management Guide

EDIS ◽  
2021 ◽  
Vol 2021 (6) ◽  
Author(s):  
Philip Harmon ◽  
Oscar Liburd ◽  
Peter Dittmar ◽  
Jeffrey Williamson ◽  
Doug Phillips
Keyword(s):  
Plant Growth ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Weed Control ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Plant Disease ◽  
Commercial Production ◽  
Hydrogen Cyanamide ◽  
Major Revision

This 32-page publication is a blueberry integrated pest management guide for the commercial production of blueberries in Florida, including information on plant disease, insect and mite pests, weed control, hydrogen cyanamide, and plant growth regulators. Major revision for 2022 by Philip F. Harmon, Oscar E. Liburd, Peter Dittmar, Jeffrey G. Williamson, and Doug Phillips; published by the UF/IFAS Horticultural Sciences Department.https://edis.ifas.ufl.edu/hs380

scholarly journals The Role of the IR-4 Project in the Registration of Plant Growth Regulators in Horticultural Crops

2002 ◽  
Vol 12 (1) ◽  
pp. 59-63
Author(s):  
Jerry J. Baron ◽  
Robert E. Holm ◽  
J. Ray Frank
Keyword(s):  
Plant Growth ◽  
Pest Management ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Financial Incentives ◽  
Agricultural Research ◽  
Management Tools ◽  
Commercial Development ◽  
Specialty Crops ◽  
Minor Crops

The pest management industry does not have adequate financial incentives to develop the required data to register pest management tools with government authorities on fruit, vegetables, herbs, spices, nursery crops, landscape plants, flowers, turfgrass, and other specialty crops. Growers of these crops, collectively called minor crops, need pest control tools to be able to sustain production. The Interregional Research Project Number Four (IR-4) was established in 1963 by the U.S. Department of Agriculture to assist growers of minor crops by providing a mechanism to allow growers of these crops to have access to safe and effective pest management tools. Working with research, industrial and extension personnel at the state land-grant institutions and researchers at USDA, Agricultural Research Service, IR-4 develops the appropriate data to support registration of insecticides, fungicides, herbicides and plant growth regulators. Many of the uses of plant growth regulators in current use were developed with oversight provided by IR-4. There are many promising new plant growth regulators and/or uses in the commercial development pipeline and it is anticipated that assistance from IR-4 will be needed to support registration of these new materials on minor crops.

Plant growth regulators cannot be used to alter significantly the commercial harvest date of Boronia heterophylla F. Muell. (Rutaceae)

1998 ◽  
Vol 49 (1) ◽  
pp. 99 ◽  
Author(s):  
J. M. Wann ◽  
J. A. Plummer
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Early Spring ◽  
Commercial Production ◽  
Harvest Date ◽  
Flower Number ◽  
Commercial Harvest ◽  
High Concentrations ◽  
Delayed Flowering

Harvest of the cut fiower crop, Boronia heterophylla F. Muell., is restricted to a 2-week period in early spring. Extension of the fiowering period by plant growth regulators was examined in plants growing in the field under standard, commercial production conditions. Flowering time, and hence harvest date, were delayed by 6{9 days following the application of gibberellic acid and benzyl adenine (GA4+7+BA). High concentrations of GA4+7+BA (40, 80 mg/L) delayed flowering longer than 20 mg/L, but reduced flower number. BA alone (4 applications of 20, 50, or 100 mg/L) reduced flower number and did not aflect harvest date. GA3 (4 applications of 20 mg/L) prevented flowering. Paclobutrazol (100 mg/L) reduced flower number and delayed flowering by 4 days. The timing of applications at the commencement of flower-promoting conditions, when plants had been exposed to 10-20 nights of temperatures <10˚C (mid autumn), appeared to be critical. A delay of harvest of 6 days is a 40% extension of the harvest period but this may not be sufficient for commercial production.

scholarly journals Effect of selectivity of herbicides and plant growth regulators used in sugarcane crops on immature stages of Trichogramma galloi (Hymenoptera: Trichogrammatidae)

2014 ◽  
Vol 32 (1) ◽  
pp. 125-131 ◽  
Author(s):  
H.N. Oliveira ◽  
M.R. Antigo ◽  
G.A. Carvalho ◽  
D.F. Glaeser
Keyword(s):  
Adverse Effects ◽  
Plant Growth ◽  
Pest Management ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Biological Properties ◽  
Immature Stages ◽  
Parasitoid Species ◽  
Beneficial Insects ◽  
Selective Pesticides

Herbicides and plant growth regulators are often used in sugarcane management. However, the use of non-selective pesticides can cause adverse effects on the efficiency of beneficial insects in integrated pest management. Within this context, this study aimed to evaluate the effect of such products on the immature stages of the parasitoid Trichogramma galloi. Eggs of Diatraea saccharalis containing the parasitoid at the egg-larva stage and at the prepupal and pupal stages were immersed in test solutions of the following pesticides (maximum recommended doses for sugarcane): herbicides clomazone and diuron + hexazinone, and plant growth regulators trinexapac-ethyl and sulfometuron-methyl. The biological properties evaluated were emergence (F1 and F2) and number of eggs parasitized by T. galloi (F1). The products were classified according to percentage of reduction in emergence and parasitism: harmless (<30%), slightly harmful (30-79%), moderately harmful (80-99%) and harmful (>99%). The pesticides evaluated were considered to be harmless or slightly harmful to immature T. galloi and, thus, their use should be preferred for preserving this parasitoid species in sugarcane management programs.

Wheat regenerants in the system of rapid assessment of the effect of 24-epibrassinolide

Biomics ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 394-397
Author(s):  
Seldimirova O.A. ◽  
M.V. Bezrukova ◽  
N.N. Кruglova ◽  
F.М. Shakirova
Keyword(s):  
Plant Growth ◽  
Experimental Model ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Drought Resistance ◽  
Rapid Assessment ◽  
Immature Embryo ◽  
Model System ◽  
Wheat Cultivars ◽  
Experimental Model System

The influence of 24-epibrassinolide on the efficiency of regenerants obtained from embryonic calli formation was studied in wheat cultivars contrast for drought resistance. The possibility of using the experimental model system «immature embryo – embryonic callus – regenerant» in the rapid assessment of the effect of antistress plant growth regulators is shown.

Somatic Embryogenesis and Plant Development in Eight Cultivars of Pecan

HortScience ◽  
1990 ◽  
Vol 25 (5) ◽  
pp. 573-576 ◽  
Author(s):  
I.E. Yates ◽  
C.C. Reilly
Keyword(s):  
Somatic Embryogenesis ◽  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Plant Development ◽  
Fruit Development ◽  
Somatic Embryos ◽  
Carya Illinoensis ◽  
Appreciable Variation

The influence of stage of fruit development and plant growth regulators on somatic embryogenesis and the relation of cultivar response on somatic embryogenesis and subsequent plant development have been investigated in eight cultivars of pecan [Carya illinoensis (Wangenh.) C. Koch]. Explants from the micropylar region of the ovule were more embryogenic when removed from fruits in the liquid endosperm stage than were intact ovules from less-mature fruits or from cotyledonary segments of more-mature fruits. Explants conditioned on medium containing auxin alone or auxin + cytokinin produced more somatic embryos than medium containing cytokinin alone. Under the conditions of this study, frequency of embryogenesis, as well as the germination of somatic embryos leading to plant development, indicated appreciable variation among cultivars. Plant development was greatest by far from somatic embryos of `Schley' than other cultivars studied.

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