biotrophicadj.

1902 W. R. Gowers in Lancet 12 Apr. 1003/1 But it is generally better, if you can, to appropriate what you need than to make it afresh, and we find the word βιοτροϕος used in the sense of ‘vital nutrition’. If we prefix the negative particle we have the same word, ‘abiotrophy’.]

1902 Lancet 14 June 1743/1 The animal body, therefore, during life possesses an influence, vital or biotrophic (Gowers), which permeates every cell of every tissue.

1903 Amer. Jrnl. Psychol. 14 360 The biotrophic energy or vitality of each organ should be determined in order to arrive at a summing up of the constitution of the entire person.

1933 G. K. K. Link in Phytopathology 23 858 The first group may be said to be living biotrophically..or as biotrophic parasites.

1960 Mycologia 52 597 Gonatobotryum fuscum was shown to be a mycoparasite of the balanced or biotrophic type.

1973 Biol. Rev. 48 269 An obvious difference between biotrophic and necrotrophic pathogens is in the amount and kind of hydrolytic enzymes secreted into host tissue.

1999 D. Ingram & N. Robertson Plant Dis. vii. 141 The relationship between these endophytes and their hosts is clearly biotrophic, and it is also believed to be mutualistic—that is to say, each partner gains from the other.

1933 G. K. K. Link in Phytopathology 23 858 The first group may be said to be living biotrophically..or as biotrophic parasites.

1995 New Phytologist 130 268/1 These lichenicolous fungi derive their nutrition from the lichen thallus either biotrophically, necrotrophically, or saprotrophically.