| 单词 | plant disease |
| 释义 | plant disease (once / 90918 pages) n WORD FAMILY plant disease: plant diseases USAGE EXAMPLESExciting gains are also on the horizon against plant diseases caused by fungi, bacteria and nematodes, the microscopic worms that feed on roots. Wall Street Journal(Oct 04, 2016) Often, the spaces are hermetically sealed to prevent common plant diseases, like wheat rust, from blowing through. Salon(Sep 25, 2016) Those accused are being investigated for violations including spreading a plant disease and the destruction or disfigurement of natural beauty. BBC(Dec 19, 2015) n a disease that affects plants Hypo|Hyper blight any plant disease resulting in withering without rotting leaf diseaseany plant disease localized in the foliage rusta plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi blackheartany of various diseases in which the central tissues blacken black knotdisease of plum and cherry trees characterized by black excrescences on the branches black rota fungous disease causing darkening and decay of the leaves of fruits and vegetables black spotany of several fungous diseases of plants that produce small black spots on the plant bottom rotfungous disease of lettuce that first rots lower leaves and spreads upward brown rotany of certain fungous diseases of plants characterized by browning and decay of tissues gummosispathological production of gummy exudates in citrus and various stone-fruit trees cankera fungal disease of woody plants that causes localized damage to the bark cotton balla fungus disease of cranberries crown galla bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground crown warta fungous disease of alfalfa which forms white excrescences at the base of the stem damping offa plant disease caused by a fungus; diseased condition of seedlings in excessive moisture diebacka disease of plants characterized by the gradual dying of the young shoots starting at the tips and progressing to the larger branches dry rota crumbling and drying of timber or bulbs or potatoes or fruit caused by a fungus heartrotany plant disease in which the central part of a plant rots (especially in trees) mosaicviral disease in solanaceous plants (tomatoes, potatoes, tobacco) resulting in mottling and often shriveling of the leaves rhizoctinia diseasedisease caused by rhizoctinia or fungi of Pellicularia and Corticium pink diseaseserious bark disease of many tropical crop trees (coffee, citrus, rubber); branches have a covering of pink hyphae potato wartfungous disease causing dark warty spongy excrescences in the eyes of potato tubers root rotdisease characterized by root decay; caused by various fungi scorcha plant disease that produces a browning or scorched appearance of plant tissues sweet-potato ring rotdisease of sweet potatoes in which roots are girdled by rings of dry rot sclerotium disease, sclerotium rotplant disease cause by fungi of the genus Sclerotium; also one in which sclerotia are formed Dutch elm diseasedisease of elms caused by a fungus ergota plant disease caused by the ergot fungus foot rotplant disease in which the stem or trunk rots at the base pinkroota fungal disease of onions wilt, wilt diseaseany plant disease characterized by drooping and shriveling; usually caused by parasites attacking the roots smutdestructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores soft rotmushy or slimy decay of plants caused by bacteria or fungi yellow dwarfany of several virus diseases of plants characterized by stunting and yellowing of the leaves yellow spotany of several fungous or viral diseases characterized by yellow spotting on the leaves alder blighta disease of alders caused by the woolly alder aphid (a plant louse) apple blight, apple cankera disease of apple trees beet blighta disease of beet plants blister blighta disease of tea plants blister blighta disease of Scotch pines cane blighta disease affecting the canes of various bush fruits (e.g., raspberries or currants) chestnut blight, chestnut canker, chestnut-bark diseasea disease of American chestnut trees coffee blighta blight affecting the coffee plant collar blighta disease affecting the trunks of pear and apple trees bean blight, halo blight, halo spota blight of bean plants halo blighta blight affecting the leaves of oats and other grasses head blighta blight of the heads of cereals late blightblight in which symptoms appear late in the growing season especially a disease of solanaceous plants caused by the fungus Phytophthora infestans leaf blightany blight causing a browning and falling of the leaves of a plant peach blighta disease of trees bearing drupes potato blight, potato disease, potato mildew, potato mold, potato murraina blight of potatoes rim blighta disease of tea plants spinach blighta disease of spinach plants spur blighta disease of raspberries stem blighta fungous blight attacking the stems of plants stripe blighta disease of oats thread blighta disease of tropical woody plants (cacao or tea or citrus) tomato blight, tomato yellowsa disease of tomato plants twig blighta disease of the ends of twigs of woody plants walnut blighta disease of English walnut trees blister rust, white pine blister rust, white-pine rustany of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally brown rot gummosis, gummosisdisease of citrus trees caused by the fungus Phytophthora citrophthora ring disease, ring rot, tobacco wiltdisease of tomatoes and potatoes and tobacco etc caused by the bacterium Pseudomonas solanacearum hairy roota phase of crown gall (especially in apples) during which there is abnormal development of fine fibrous roots potato mosaica disease of the leaves of potato plants tobacco mosaica plant disease causing discoloration of the leaves of tobacco plants tomato streakdisease of a wide range of plants (tomatoes, potatoes, peas) resulting from a mixed infection of potato and tomato mosaic little potato, rosette, russet scab, stem cankerrhizoctinia disease of potatoes leaf scorchplant disease causing a burned or scorched appearance of the foliage granville wilta bacterial wilt of tobacco plants fusarium wiltwilt caused by fungi of the genus Fusarium verticilliosiswilt caused by fungi of the genus Verticillium loose smutdisease of grains; the entire head is a dusty mass of spores bunt, stinking smutdisease of wheat characterized by replacement of the grains with greasy masses of smelly smut spores flag smutsmut affecting leaves and stems of cereals and other grasses false smut, green smutdisease of rice; grains covered by a green powder consisting of conidia leaksoft watery rot in fruits and vegetables caused by fungi potato yellow dwarf, yellow dwarf of potatothe yellow dwarf disease of potato plants onion yellow dwarfthe yellow dwarf disease of onion plants disease an impairment of health or a condition of abnormal functioning |
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