CPRP NECROTIC

• Hydrosis Phaleonopsis orchid foliage caused by the infection by the plant pathogenic bacterium, Burkholderia gladioli
• Reddening - veins is still green
• Yellowing - iron deficiency
• Wilting - soil-borne disease cause by Ralstonia solancaerum
• Gummosis - citrus caused by Phytophthora citropthora
• Blight - blight in tomato is caused by Phytophthora infestans
• Blotch - watermelon caused by bacterial fruit blotch (Acidovorax citrulli)
• Canker - citrus caused by bacterium Xanthomonas axonopodis
• Damping off - caused by any fungal disease.
• Root rots (Phytim Phytophthora)
• Root rots (Phytim Phytophthora)
• Sclerotinia or white mold
• Botrytis or gray mold
• Firing - cucurbit caused by Verticillium dahliae
• DieBack - fungus known as Botryodiplodia theobromae in mango trees
• Flecks - caused by thrips in onion leaves
• Mummification - Phyopththora palmivora, Phytophthora megakarya, Phytophthora capsici
• Net necrosis in potato is caused by 3 possible chilling, potato roll virus, zebra chip
• Pitting - viral disease characterized by depressions on the stem
• Rot - is a physiological disorder caused by calcium imbalance
• Scald - sun scald
• Scorch - drought, wind injury and excessive use of chemicals from pesticides
• Shothole - spot of tobacco caused by Cercospora nicotianae
• Spot - caused by fungus in bean plnat Cercospora spp.
• Streak - BACterial leaf streak in corn caused by Xanthonomas vasicola pv. Vasculorum