Growth

Dörffling, Karl

doi:10.1007/978-3-642-67873-8_6

Cited by 2 publications

(1 citation statement)

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“…Evidence exists that ABA plays a vital role in the water economy of plants under stress conditions by reducing stomatal opening and thus reducing the rate of transpiration (Dorffling 1980). Plant species and varieties possessing different drought resistance capacity respond differently to the same water stress by producing different amounts of ABA.…”

Section: Introductionmentioning

confidence: 99%

Changes in abscisic acid and proline levels in maize varieties of different drought resistance

Ilahi

Dörffling²

1982

Physiologia Plantarum

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Four varieties of maize differing in drought resistance and geographical origin (Swabi White and Shaheen from Pakistan, Garbo and Goldprinz from Germany) were analyzed for their proline and abscisic acid (ABA) accumulation during a prolonged water stress period. Proline levels increased continuously during the stress period in all the four varieties, but to different amounts. The drought‐susceptible varieties Shaheen and Goldprinz produced higher levels of proline than the drought‐resistant varieties Swabi White and Garbo. A negative correlation was also found between maximal ABA contents and degree of drought resistance during prolonged stress of younger plants. ABA levels did not increase steadily, but reached a maximum long before the end of the stress phase, and then declined. The results are discussed in relation to the possibility of using proline and ABA levels as biochemical indicators of resistance against drought.

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Section: Introductionmentioning

confidence: 99%