Phenotypic analyses of Atg7 mutants indicates that Atg7 disruption renders Arabidopsis (Arabidopsis thaliana) cells hypersensitive to a shortage of nutrients with features of premature leaf senescence, though the mutant is otherwise normal (Doelling et al., 2002).
Not that the planet's predominant all-round female athlete is resting on anything resembling a premature laurel leaf.
Premature leaf fall would thus be a bad thing.Anthocyanins, Dr Hoch argues, provide a natural sunscreen for a plant's leaves.
Accordingly, DES1 deficiency promotes a significant reduction in endogenous sulfide together with premature leaf senescence and autophagy activation.
Chronic exposures to low O3 concentrations have a negative impact on crop yields by reducing photosynthesis and growth, and inducing premature leaf senescence in sensitive plants [1].
Aphid feeding causes an alteration of plant source-sink relationships [ 2], the induction of premature leaf senescence [ 3], secondary pathogen infection through fungal growth on aphid honeydew, and the transmission of plant viruses [ 4].
Premature leaf drop due to Tar Spot.
Mealybugs dine on plant sap reducing plant vigor, distorting growth, and causing premature leaf shed.
A wide range of effects were detected, including growth stimulation and inhibition, changes in gas exchange and premature leaf senescence.
When plants are stressed with NaCl, they often exhibit slower growth, premature leaf senescence, reduced tillering or branching, and decreased yield.
When the supply of any essential nutrient falls below the level required by the plant, a deficiency occurs, leading to symptoms that include stunting of plants; scorching or malformation of leaves; abnormal coloration; premature leaf, bud, and flower drop; delayed maturity or failure of flower and fruit buds to develop; and dieback of shoots.
