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It is resistant to many diseases of cultivated Cucurbita species, [6] and has been used to breed resistance to several diseases into common squashes. [7] For example, researchers at Cornell University used Cucurbita ecuadorensis to breed resistance to papaya ringspot virus , watermelon mosaic virus , and powdery mildew , into common Cucurbita ...
Aehobak (Korean: 애호박), also called Korean zucchini or Korean courgette, [1] [2] is an edible, green to yellow-green summer squash. Although nearly all summer squashes are varieties of Cucurbita pepo, [3] aehobak belongs to the species Cucurbita moschata. [4]
It is resistant to powdery mildew [4] and crown rot. [5] In 1962 the first successful cross of a wild Cucurbita with a domesticated Cucurbita occurred. In that study by Whitaker, C. lundelliana was mostly dominant in a cross with Cucurbita moschata. The purpose of the study was to find the ancestral plant species of the domesticated Cucurbita.
That’s powdery mildew, a fungus that affects a wide range of fruits, vegetables and flowers, coating their leaves, stems, blossoms and, in severe cases, entire plants. It isn’t pretty.
Since 1925, commercial Cucumis melo (cantaloup and muskmelon) production has been engaged in a biological "arms race" against cucurbit powdery mildew (CPM) caused by the fungus Podosphaera xanthii, with new cultivars of melons being developed for resistance to successively arising races of the fungus, identified simply as race 1, race 2, etc ...
Erysiphales are obligate parasites on leaves and fruits of higher plants, causing diseases called powdery mildews. Most attempts to grow them in culture have failed. [3] Erysiphales have a nearly cosmopolitan distribution, [4] and have developed fungicide resistance just as widely. [5] Total loss of function has resulted in some cases. [5]
This list of gourds and squashes provides an alphabetical list of (mostly edible) varieties of the plant genus Cucurbita, commonly called gourds, squashes, pumpkins and zucchinis/courgettes. Common names can differ by location.
Mildew locus o (MLO) is a plant-specific gene family. Specific members of the M ildew L ocus O gene family act as powdery mildew susceptibility factors. Their inactivation, as the result of a loss-of-function mutation, gene knock-out, or knock-down, is associated with a peculiar form of resistance, referred to as mlo resistance.