nurse-plantn.

Brit.

/ˈnəːsplɑːnt/,

/ˈnəːsplant/, U.S.

/ˈnərsˌplænt/

Forms: 1600s nource-plant, 1700s– nurse-plant.

Origin: Formed within English, by compounding. Etymons: nurse n.¹, nurse v., plant n.¹

Etymology: < nurse n.¹ or nurse v. + plant n.¹

†1. A seedling. Obsolete. rare.

ΘΚΠ

the world > plants > by age or cycles > [noun] > young or immature plant(s) > seedling or sporeling

nurse-plant1601

seedling1608

seed-plant1653

germinant1886

sporeling1910

1601 P. Holland tr. Pliny Hist. World I. xvii. xviii. 523 The Broome loveth to be set of nource-plants, comming of seed, in drie and light grounds.

2. A plant that provides shelter or other assistance to another plant in its early stages of growth. Cf. nurse n.¹ 4; nurse-tree n. 1.

ΚΠ

1799 W. Nicol Pract. Planter 6 The propriety of planting nurse-plants with the kinds most valuable for that purpose.

1919 U. P. Hedrick Man. Amer. Grape-growing iii. 37 In ground that crusts, an expedient is to mix grape seed with apple seed; the apple seedlings, being more vigorous, break the crust and act as nurse plants to the more tender grapes.

1966 Bot. Gaz. 127 97/1 Behavior of seedlings under the simulated nurse-plant environment has revealed reasons for the occurrence of small saguaros in shaded situations but not in the open.

1993 Albuquerque (New Mexico) Jrnl. 2 May d2/4 The saguaro as a youngster needs a sheltering ‘nurse plant’ to grow under.

1995 HortScience 30 134/2 The nurse plant treatment, designed to sustain and increase the mycorrhizal fungi in the medium, depressed the beneficial effects of these fungi.

3. A plant that is host to a parasite. Cf. nurse-tree n. 2. Now rare or disused.

ΘΚΠ

the world > plants > by nutrition or respiration > [noun] > parasite plant > host plant

nurse-plant1857

nurse-tree1857

bridging host1904

bridging species1904

1857 A. Henfrey Elem. Course Bot. 21 When the radicle sprouts, it drives its way through the rind of the nurse-plant until it reaches the cambium-layer.

1877 Bot. Gaz. 2 69 I established the identity of the immigrant with the South American C[uscuta] racemosa, Mart., which had been introduced to Europe with..Alfalfa.., and which proved very destructive to its nurse-plant.

1882 Gardeners' Chron. 17 20 They cannot be very exacting as to the species of nurse-plant.

1913 D. Grant tr. E. Bourcart Insecticides, Fungicides & Weedkillers 402/2 They are uredinæ which are termed heteroic because during their cycle of evolution they must live on nurse plants of different orders.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	nurse-plant
释义	nurse-plantn. Brit. /ˈnəːsplɑːnt/, /ˈnəːsplant/, U.S. /ˈnərsˌplænt/ Forms: 1600s nource-plant, 1700s– nurse-plant. Origin: Formed within English, by compounding. Etymons: nurse n.¹, nurse v., plant n.¹ Etymology: < nurse n.¹ or nurse v. + plant n.¹ †1. A seedling. Obsolete. rare. ΘΚΠ the world > plants > by age or cycles > [noun] > young or immature plant(s) > seedling or sporeling nurse-plant1601 seedling1608 seed-plant1653 germinant1886 sporeling1910 1601 P. Holland tr. Pliny Hist. World I. xvii. xviii. 523 The Broome loveth to be set of nource-plants, comming of seed, in drie and light grounds. 2. A plant that provides shelter or other assistance to another plant in its early stages of growth. Cf. nurse n.¹ 4; nurse-tree n. 1. ΚΠ 1799 W. Nicol Pract. Planter 6 The propriety of planting nurse-plants with the kinds most valuable for that purpose. 1919 U. P. Hedrick Man. Amer. Grape-growing iii. 37 In ground that crusts, an expedient is to mix grape seed with apple seed; the apple seedlings, being more vigorous, break the crust and act as nurse plants to the more tender grapes. 1966 Bot. Gaz. 127 97/1 Behavior of seedlings under the simulated nurse-plant environment has revealed reasons for the occurrence of small saguaros in shaded situations but not in the open. 1993 Albuquerque (New Mexico) Jrnl. 2 May d2/4 The saguaro as a youngster needs a sheltering ‘nurse plant’ to grow under. 1995 HortScience 30 134/2 The nurse plant treatment, designed to sustain and increase the mycorrhizal fungi in the medium, depressed the beneficial effects of these fungi. 3. A plant that is host to a parasite. Cf. nurse-tree n. 2. Now rare or disused. ΘΚΠ the world > plants > by nutrition or respiration > [noun] > parasite plant > host plant nurse-plant1857 nurse-tree1857 bridging host1904 bridging species1904 1857 A. Henfrey Elem. Course Bot. 21 When the radicle sprouts, it drives its way through the rind of the nurse-plant until it reaches the cambium-layer. 1877 Bot. Gaz. 2 69 I established the identity of the immigrant with the South American C[uscuta] racemosa, Mart., which had been introduced to Europe with..Alfalfa.., and which proved very destructive to its nurse-plant. 1882 Gardeners' Chron. 17 20 They cannot be very exacting as to the species of nurse-plant. 1913 D. Grant tr. E. Bourcart Insecticides, Fungicides & Weedkillers 402/2 They are uredinæ which are termed heteroic because during their cycle of evolution they must live on nurse plants of different orders. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1601
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