epinasty


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epinasty

[′ep·ə‚nas·tē]
(botany)
Growth changes in which the upper surface of a leaf grows, thus bending the leaf downward.
References in periodicals archive ?
After eight weeks of culture, these plants did not show symptoms of ethylene growth inhibition: epinasty or hiperhidricity (figures 3 and 4).
One of the effects of mechanical stress on wallflower plants was epinasty; cause of this phenomenon is increasing of ethylene.
Both tomato and pea plants are susceptible to oxygen deficiencies; they will show signs of epinasty, which is the downward bending of the petioles (Figure 9-8), wilt, and eventually die if the problem is not corrected.
onset of flooding, with chlorosis, epinasty, and abscission, and results
(4.) Keller CP, Van Volkenburgh E (1997) Auxin-induced epinasty of tobacco leaf tissues.
After the emission of shoots, 4.0 g of active ingredient per tree of Paclobutrazol growth regulator was applied; subsequently, irrigation was ceased and when the plants presented symptoms of epinasty of terminal buds (Mouco & Albuquerque, 2005) application of calcium nitrate in the leaves to break bud dormancy and induce uniform flowering was performed.
Vase life ended when 30% of flowers appeared unattractive due to bud that remains closed and wilted, petal discoloration and wilting, floret epinasty and drop, and stem yellowing.
The adhesion of bacteria in host tissues causes browning of the xylem, foliar epinasty and wilt (Wydra and Beri, 2006).
epinasty: Unequal growth of petioles causing the leaf blade to curve downward.