How to use petiole in a sentence

Looking for sentences and phrases with the word petiole? Here are some examples.

Sentence Examples With the exception of petiole length, pulvinus length and stipule length, the other leaf characteristics overlap between the two species. Weights were then progressively added to the weighing boat which caused the petiole to bend, curving upwards. Leaf length was measured from the tip of the terminal leaflet down to the base of the petiole at the site of attachment to the stem. The downwardly curved petiole twists away from the wind, so its ventral surface points downwind. The leaf petiole incurvates, the lamina swells, the central bud loses its structure and the central inflorescence does not form. Despite this variation, the verrucose petiole character is adequate to separate P. brevispathum from P. muricatum. Each leaf has many pinnae and a leaf axis that is subdivided into a midrib and a petiole. The vaginate sheath of Ligularia is observed in the petiole of cauline leaves as well as in that of radical leaves. It should be pointed out that by day 6 the leaf blade, the petiole and the stem cortex had lost a similar percentage of water. The plant has the characteristic ochrea of the buckwheat family at the junction of the petiole and stem. Fronds are, strictly speaking, elaborate compound leaves, attached to the stem by a petiole. Plastid morphogenesis in trichome hair cells from the stem and petiole of tomato plants. Petiole rot begins as an orange-brown or rust-colored lesion where the petiole touches the rim of the pot or where it contacts the soil. Leaf, petiole, and internode lengths were measured with a ruler and petiole and internode diameters were measured with digital callipers. Compare your petiole nitrate test results to the standard curves shown in Figure 4 for Russet Burbank or Figure 5 for Shepody. Leaf tip: the tip of the leaf is located opposite the point where the petiole is attached. The standard curves are for petiole nitrate concentration on a dry weight basis. The length is defined as distance between the inclination at top of the cotyledon and the point where the width of the petiole is about 4 mm. By tracking changes in petiole nitrate concentration over time you will get a more accurate picture of the nitrogen status of your crop. If kept fresh, the petiole samples must be kept cool until delivered to obtain good test results. Show More Sentences Use of petiole sap is not recommended for non-irrigated potato fields due to variation in water content of the petioles. The length of the petiole should be measured from the base of the medium trifoliate leaflet to the stolon. The petiole of the third expanded leaf, counted from the growing tip of the stolon, should be selected for measurement. Vegetative reproduction can occur at any time when the nodes of the stem, stolon, or leaf petiole are in contact with the soil. The desiccation spreads and the whole leaf may shrivel and drop, leaving only the petiole attached. Many members of Malvales can be recognized easily by their leaves, which often have palmate venation and a rather swollen petiole apex. When only a single blade is inserted directly on the petiole, the leaf is called simple. It is a palm which can typically grow to 20 m or taller, with pinnate leaves 3 m long on a 1 m long petiole. What is most important is to track changes in petiole nitrate concentrations over time. To collect a petiole sample, make a large loop through the field and collect about 30 leaves. When infection of stems occurs, the lesions are dark-brown and usually occur as extensions of petiole lesions. The tall slender sticks of the rhubarb, known as petiole sticks, range pink to red in colour with a compact yellow leaf. This factsheet outlines how you can use petiole nitrate testing to improve fertilizer nitrogen management of your potato crop. The wasps and hornets are first attracted into orchards in spring by the sucrose at the petiole, where the leaf attaches to the stem. When nutrients are resorbed from senescing leaves, they are transported from the entire area of a leaf blade to a single output point at the base of the petiole. Combs are attached to a substrate directly or by a petiole, and in larger nests combs can be a unit of construction themselves in forming stacked comb nests. The beginnings of leaf drop starts when an abscission layer is formed between the leaf petiole and the stem. The radical leaves have a long petiole, while the leaves on the flowering stalks are usually sessile or with short petioles. During hot humid weather bacterial ooze will appear on the branch, petiole, leaf or fruit as a milky droplet at first but then turn brown and become hard as it dries. They have 7 to 9 lobes, with a petiolar sinus that has slightly overlapping lobes and whose base is sometimes bordered by the vein near the petiole. Show More Sentences It should be noted it is without petiole, just like E. perriniana. Collectotrichum acutatum is found worldwide and is increasingly important as the cause of strawberry petiole, stolon, and anthracnose fruit rot. The end of the branch bends over like a shepherd's crook and the leaves begin to turn brown from the petiole up to the tip but remain firmly attached to the terminal. Observations on the leaf blade and petiole should be made on fully developed leaves from the middle third of vigorous current season shoots from the outside of the tree. The petiole is a stalk that connects the blade with the leaf base. At the base of the blade, in some grasses, especially members of the subfamily Bambusoideae, the leaf is constricted and resembles a stalk or petiole. It is characterized by large pinnate-pinnatisect leaves, sparse narrowly triangular petiole scales and caducous membranous indusia. The petiole of a cotton leaf was wrapped with moist cotton to maintain turgor. High petiole nitrate concentration late in the growing season often means the crop is at risk for low tuber specific gravity, and that there is an increased risk of nitrogen loss to the environment. Examples from Classical Literature The excitatory movement will now be the erection of the petiole, against gravity. The excitatory impulse now reached the end of the petiole, and caused six pairs of leaflets to fall. We tried what result would ensue upon slitting the intumescence of the petiole horizontally. Small tree with alternate, odd-pinnate leaves, the base of the petiole hollow, and inclosing the leaf-buds of the next year. Some, however, have no petiole, but the blade is in direct contact with the stem. They are usually on the petiole at the base of the leaf but are sometimes on the leaf itself. Such a petiole is illustrated in fig. 79, with its V-shaped fernlike stele. The top, as the tip of a bud or the end of a leaf which is opposite the petiole. In the Tulip-tree, it is also inflexed, the blade bent forwards on the petiole. The leaves are peltate, and in the bud are folded about the end of the petiole after the manner of an umbrella. When attached to the base of the petiole, as in the Rose and in Clover, they are adnate. It is also applied to the stalk or petiole of a carpel, in the rare cases when there is any, as in Goldthread. The excitatory reaction of the upper half is by contraction, and the response is, therefore, the lifting of the petiole. Principal petiole with one glandule at the base and often another higher up. Mr. Lindsay attempted to elucidate the action of the intumescence in raising and depressing the petiole, in the following manner. Leaves of solanum jasminoides, the petiole adapted for climbing. The transmission in the petiole of Mimosa is a phenomenon of conduction. In nymphaea micrantha buds appear at the upper part of the petiole. The point of each cutting should contain a portion of the petiole. Notice, too, that the leaves have a very short stem or petiole. Show More Sentences Leaf-like appendages on either side of a leaf at the base of the petiole. Find more words! 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What is the opposite of petiole? Words that rhyme with petiole What is the plural of petiole? What is the adjective for petiole? What is the noun for petiole? Use our Sentence Generator Nearby Words petiolate pethidine Petherick Pether petfood Peterson petit petite Petite petition petitionary petitioned 7-letter Words Starting With p pe pet peti petio petiol