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Soluble silicon-based disease manage...

Kamenidou, Sophia.

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Soluble silicon-based disease management of floricultural crops.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Soluble silicon-based disease management of floricultural crops./
作者:	Kamenidou, Sophia.
面頁冊數:	99 p.
附註:	Source: Dissertation Abstracts International, Volume: 70-06, Section: B, page: 3241.
Contained By:	Dissertation Abstracts International70-06B.
標題:	Agriculture, Horticulture. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3358875
ISBN:	9781109181470

Soluble silicon-based disease management of floricultural crops.
Kamenidou, Sophia.

Soluble silicon-based disease management of floricultural crops. - 99 p.

Source: Dissertation Abstracts International, Volume: 70-06, Section: B, page: 3241.

Thesis (Ph.D.)--Oklahoma State University, 2009.

Scope and method of study. The goal of this research was to assess the efficacy of various forms and applications of soluble silicon (Si), both alone and in combination with two rates of registered fungicides, to control three economically important fungal diseases that affect greenhouse production. The three diseases assessed were as follows: powdery mildew of zinnia and sunflower caused by Golovinomyces (=Erysiphe) cichoracearum, Phytophthora root rot of gerbera caused by Phytophthora drechsleri, and gray mold of sunflower caused by Botrytis cinerea.

ISBN: 9781109181470Subjects--Topical Terms:

1017832
Agriculture, Horticulture.

Soluble silicon-based disease management of floricultural crops.
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245 1 0 $a Soluble silicon-based disease management of floricultural crops.
300 $a 99 p.
500 $a Source: Dissertation Abstracts International, Volume: 70-06, Section: B, page: 3241.
500 $a Adviser: Mike W. Smith.
502 $a Thesis (Ph.D.)--Oklahoma State University, 2009.
520 $a Scope and method of study. The goal of this research was to assess the efficacy of various forms and applications of soluble silicon (Si), both alone and in combination with two rates of registered fungicides, to control three economically important fungal diseases that affect greenhouse production. The three diseases assessed were as follows: powdery mildew of zinnia and sunflower caused by Golovinomyces (=Erysiphe) cichoracearum, Phytophthora root rot of gerbera caused by Phytophthora drechsleri, and gray mold of sunflower caused by Botrytis cinerea.
520 $a Findings and conclusions. Powdery mildew study: In zinnia, Si supplementation reduced powdery mildew severities three- to four-fold after two weeks and two- to three-fold after three weeks. Silicon supplementation of zinnia, when combined with myclobutanil treatments, also appeared to synergistically suppress powdery mildew severity two-fold and prolong fungicide-mediated disease suppression to three weeks. In sunflower, Si supplementation suppressed powdery mildew severities two- to three-fold after two weeks and around 1.5-fold after three weeks. Myclobutanil suppressed powdery-mildew of sunflower all three weeks.
520 $a Phytophthora root rot study. Mefenoxam suppressed Phytophthora root rot of greenhouse produced gerbera. Five weekly potassium silicate substrate drenches delayed disease development, but overall Si supplements did not provide protection against this disease.
520 $a Gray mold study. Disease progression and conidial germination and mycelial growth of wild type and transgenic B. cinerea expressing GFP were delayed in Si supplemented sunflower plants. However, gently wounding detached leaves of Si supplemented plants overcame disease suppression and returned conidial germination and disease progression to control levels. Therefore, Si deposition may fortify sunflower trichomes, an observed location of conidial accumulation, and leaf and stem surfaces, creating a mechanical barrier against B. cinerea.
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710 2 $a Oklahoma State University. $b Horticulture. $3 1676709
773 0 $t Dissertation Abstracts International $g 70-06B.
790 1 0 $a Smith, Mike W., $e advisor
790 1 0 $a Cole, Janet $e committee member
790 1 0 $a Marek, Steve $e committee member
790 1 0 $a Cavins, Todd $e committee member
790 $a 0664
791 $a Ph.D.
792 $a 2009
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